11245b700SNamarta Kohli /* 21245b700SNamarta Kohli * soc-compress.c -- ALSA SoC Compress 31245b700SNamarta Kohli * 41245b700SNamarta Kohli * Copyright (C) 2012 Intel Corp. 51245b700SNamarta Kohli * 61245b700SNamarta Kohli * Authors: Namarta Kohli <namartax.kohli@intel.com> 71245b700SNamarta Kohli * Ramesh Babu K V <ramesh.babu@linux.intel.com> 81245b700SNamarta Kohli * Vinod Koul <vinod.koul@linux.intel.com> 91245b700SNamarta Kohli * 101245b700SNamarta Kohli * This program is free software; you can redistribute it and/or modify it 111245b700SNamarta Kohli * under the terms of the GNU General Public License as published by the 121245b700SNamarta Kohli * Free Software Foundation; either version 2 of the License, or (at your 131245b700SNamarta Kohli * option) any later version. 141245b700SNamarta Kohli * 151245b700SNamarta Kohli */ 161245b700SNamarta Kohli 171245b700SNamarta Kohli #include <linux/kernel.h> 181245b700SNamarta Kohli #include <linux/init.h> 191245b700SNamarta Kohli #include <linux/delay.h> 201245b700SNamarta Kohli #include <linux/slab.h> 211245b700SNamarta Kohli #include <linux/workqueue.h> 221245b700SNamarta Kohli #include <sound/core.h> 231245b700SNamarta Kohli #include <sound/compress_params.h> 241245b700SNamarta Kohli #include <sound/compress_driver.h> 251245b700SNamarta Kohli #include <sound/soc.h> 261245b700SNamarta Kohli #include <sound/initval.h> 272a99ef0fSLiam Girdwood #include <sound/soc-dpcm.h> 281245b700SNamarta Kohli 291245b700SNamarta Kohli static int soc_compr_open(struct snd_compr_stream *cstream) 301245b700SNamarta Kohli { 311245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 321245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 331245b700SNamarta Kohli int ret = 0; 341245b700SNamarta Kohli 3515e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 3615e2e619SCharles Keepax 371245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->open) { 381245b700SNamarta Kohli ret = platform->driver->compr_ops->open(cstream); 391245b700SNamarta Kohli if (ret < 0) { 401245b700SNamarta Kohli pr_err("compress asoc: can't open platform %s\n", platform->name); 411245b700SNamarta Kohli goto out; 421245b700SNamarta Kohli } 431245b700SNamarta Kohli } 441245b700SNamarta Kohli 451245b700SNamarta Kohli if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->startup) { 461245b700SNamarta Kohli ret = rtd->dai_link->compr_ops->startup(cstream); 471245b700SNamarta Kohli if (ret < 0) { 481245b700SNamarta Kohli pr_err("compress asoc: %s startup failed\n", rtd->dai_link->name); 491245b700SNamarta Kohli goto machine_err; 501245b700SNamarta Kohli } 511245b700SNamarta Kohli } 521245b700SNamarta Kohli 5324894b76SLars-Peter Clausen snd_soc_runtime_activate(rtd, cstream->direction); 541245b700SNamarta Kohli 5515e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 5615e2e619SCharles Keepax 571245b700SNamarta Kohli return 0; 581245b700SNamarta Kohli 591245b700SNamarta Kohli machine_err: 601245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->free) 611245b700SNamarta Kohli platform->driver->compr_ops->free(cstream); 621245b700SNamarta Kohli out: 6315e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 641245b700SNamarta Kohli return ret; 651245b700SNamarta Kohli } 661245b700SNamarta Kohli 672a99ef0fSLiam Girdwood static int soc_compr_open_fe(struct snd_compr_stream *cstream) 682a99ef0fSLiam Girdwood { 692a99ef0fSLiam Girdwood struct snd_soc_pcm_runtime *fe = cstream->private_data; 702a99ef0fSLiam Girdwood struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream; 712a99ef0fSLiam Girdwood struct snd_soc_platform *platform = fe->platform; 722a99ef0fSLiam Girdwood struct snd_soc_dpcm *dpcm; 732a99ef0fSLiam Girdwood struct snd_soc_dapm_widget_list *list; 742a99ef0fSLiam Girdwood int stream; 752a99ef0fSLiam Girdwood int ret = 0; 762a99ef0fSLiam Girdwood 772a99ef0fSLiam Girdwood if (cstream->direction == SND_COMPRESS_PLAYBACK) 782a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_PLAYBACK; 792a99ef0fSLiam Girdwood else 802a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_CAPTURE; 812a99ef0fSLiam Girdwood 822a99ef0fSLiam Girdwood mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); 832a99ef0fSLiam Girdwood 842a99ef0fSLiam Girdwood if (platform->driver->compr_ops && platform->driver->compr_ops->open) { 852a99ef0fSLiam Girdwood ret = platform->driver->compr_ops->open(cstream); 862a99ef0fSLiam Girdwood if (ret < 0) { 872a99ef0fSLiam Girdwood pr_err("compress asoc: can't open platform %s\n", platform->name); 882a99ef0fSLiam Girdwood goto out; 892a99ef0fSLiam Girdwood } 902a99ef0fSLiam Girdwood } 912a99ef0fSLiam Girdwood 922a99ef0fSLiam Girdwood if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) { 932a99ef0fSLiam Girdwood ret = fe->dai_link->compr_ops->startup(cstream); 942a99ef0fSLiam Girdwood if (ret < 0) { 952a99ef0fSLiam Girdwood pr_err("compress asoc: %s startup failed\n", fe->dai_link->name); 962a99ef0fSLiam Girdwood goto machine_err; 972a99ef0fSLiam Girdwood } 982a99ef0fSLiam Girdwood } 992a99ef0fSLiam Girdwood 1002a99ef0fSLiam Girdwood fe->dpcm[stream].runtime = fe_substream->runtime; 1012a99ef0fSLiam Girdwood 1022a99ef0fSLiam Girdwood if (dpcm_path_get(fe, stream, &list) <= 0) { 1032a99ef0fSLiam Girdwood dev_dbg(fe->dev, "ASoC: %s no valid %s route\n", 1042a99ef0fSLiam Girdwood fe->dai_link->name, stream ? "capture" : "playback"); 1052a99ef0fSLiam Girdwood } 1062a99ef0fSLiam Girdwood 1072a99ef0fSLiam Girdwood /* calculate valid and active FE <-> BE dpcms */ 1082a99ef0fSLiam Girdwood dpcm_process_paths(fe, stream, &list, 1); 1092a99ef0fSLiam Girdwood 1102a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; 1112a99ef0fSLiam Girdwood 1122a99ef0fSLiam Girdwood ret = dpcm_be_dai_startup(fe, stream); 1132a99ef0fSLiam Girdwood if (ret < 0) { 1142a99ef0fSLiam Girdwood /* clean up all links */ 1152a99ef0fSLiam Girdwood list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) 1162a99ef0fSLiam Girdwood dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; 1172a99ef0fSLiam Girdwood 1182a99ef0fSLiam Girdwood dpcm_be_disconnect(fe, stream); 1192a99ef0fSLiam Girdwood fe->dpcm[stream].runtime = NULL; 1202a99ef0fSLiam Girdwood goto fe_err; 1212a99ef0fSLiam Girdwood } 1222a99ef0fSLiam Girdwood 1232a99ef0fSLiam Girdwood dpcm_clear_pending_state(fe, stream); 1242a99ef0fSLiam Girdwood dpcm_path_put(&list); 1252a99ef0fSLiam Girdwood 1262a99ef0fSLiam Girdwood fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN; 1272a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; 1282a99ef0fSLiam Girdwood 12924894b76SLars-Peter Clausen snd_soc_runtime_activate(fe, stream); 1302a99ef0fSLiam Girdwood 1312a99ef0fSLiam Girdwood mutex_unlock(&fe->card->mutex); 1322a99ef0fSLiam Girdwood 1332a99ef0fSLiam Girdwood return 0; 1342a99ef0fSLiam Girdwood 1352a99ef0fSLiam Girdwood fe_err: 1362a99ef0fSLiam Girdwood if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown) 1372a99ef0fSLiam Girdwood fe->dai_link->compr_ops->shutdown(cstream); 1382a99ef0fSLiam Girdwood machine_err: 1392a99ef0fSLiam Girdwood if (platform->driver->compr_ops && platform->driver->compr_ops->free) 1402a99ef0fSLiam Girdwood platform->driver->compr_ops->free(cstream); 1412a99ef0fSLiam Girdwood out: 1422a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; 1432a99ef0fSLiam Girdwood mutex_unlock(&fe->card->mutex); 1442a99ef0fSLiam Girdwood return ret; 1452a99ef0fSLiam Girdwood } 1462a99ef0fSLiam Girdwood 147202c8f70SCharles Keepax /* 148202c8f70SCharles Keepax * Power down the audio subsystem pmdown_time msecs after close is called. 149202c8f70SCharles Keepax * This is to ensure there are no pops or clicks in between any music tracks 150202c8f70SCharles Keepax * due to DAPM power cycling. 151202c8f70SCharles Keepax */ 152202c8f70SCharles Keepax static void close_delayed_work(struct work_struct *work) 153202c8f70SCharles Keepax { 154202c8f70SCharles Keepax struct snd_soc_pcm_runtime *rtd = 155202c8f70SCharles Keepax container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); 156202c8f70SCharles Keepax struct snd_soc_dai *codec_dai = rtd->codec_dai; 157202c8f70SCharles Keepax 158202c8f70SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 159202c8f70SCharles Keepax 160202c8f70SCharles Keepax dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n", 161202c8f70SCharles Keepax codec_dai->driver->playback.stream_name, 162202c8f70SCharles Keepax codec_dai->playback_active ? "active" : "inactive", 163202c8f70SCharles Keepax rtd->pop_wait ? "yes" : "no"); 164202c8f70SCharles Keepax 165202c8f70SCharles Keepax /* are we waiting on this codec DAI stream */ 166202c8f70SCharles Keepax if (rtd->pop_wait == 1) { 167202c8f70SCharles Keepax rtd->pop_wait = 0; 168202c8f70SCharles Keepax snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, 169202c8f70SCharles Keepax SND_SOC_DAPM_STREAM_STOP); 170202c8f70SCharles Keepax } 171202c8f70SCharles Keepax 172202c8f70SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 173202c8f70SCharles Keepax } 174202c8f70SCharles Keepax 1751245b700SNamarta Kohli static int soc_compr_free(struct snd_compr_stream *cstream) 1761245b700SNamarta Kohli { 1771245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 1781245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 1791245b700SNamarta Kohli struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 1801245b700SNamarta Kohli struct snd_soc_dai *codec_dai = rtd->codec_dai; 18124894b76SLars-Peter Clausen int stream; 1821245b700SNamarta Kohli 18315e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 18415e2e619SCharles Keepax 18524894b76SLars-Peter Clausen if (cstream->direction == SND_COMPRESS_PLAYBACK) 18624894b76SLars-Peter Clausen stream = SNDRV_PCM_STREAM_PLAYBACK; 18724894b76SLars-Peter Clausen else 18824894b76SLars-Peter Clausen stream = SNDRV_PCM_STREAM_CAPTURE; 18924894b76SLars-Peter Clausen 19024894b76SLars-Peter Clausen snd_soc_runtime_deactivate(rtd, stream); 1911245b700SNamarta Kohli 192da18396fSMark Brown snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); 193da18396fSMark Brown 1941245b700SNamarta Kohli if (!cpu_dai->active) 1951245b700SNamarta Kohli cpu_dai->rate = 0; 1961245b700SNamarta Kohli 1971245b700SNamarta Kohli if (!codec_dai->active) 1981245b700SNamarta Kohli codec_dai->rate = 0; 1991245b700SNamarta Kohli 2001245b700SNamarta Kohli 2011245b700SNamarta Kohli if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown) 2021245b700SNamarta Kohli rtd->dai_link->compr_ops->shutdown(cstream); 2031245b700SNamarta Kohli 2041245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->free) 2051245b700SNamarta Kohli platform->driver->compr_ops->free(cstream); 2061245b700SNamarta Kohli 2071245b700SNamarta Kohli if (cstream->direction == SND_COMPRESS_PLAYBACK) { 208208a1589SLars-Peter Clausen if (snd_soc_runtime_ignore_pmdown_time(rtd)) { 2091245b700SNamarta Kohli snd_soc_dapm_stream_event(rtd, 2101245b700SNamarta Kohli SNDRV_PCM_STREAM_PLAYBACK, 2111245b700SNamarta Kohli SND_SOC_DAPM_STREAM_STOP); 2128c3d2aa4SCharles Keepax } else { 2139bffb1fbSMisael Lopez Cruz rtd->pop_wait = 1; 2143d24cfe4SMark Brown queue_delayed_work(system_power_efficient_wq, 2153d24cfe4SMark Brown &rtd->delayed_work, 2161245b700SNamarta Kohli msecs_to_jiffies(rtd->pmdown_time)); 2178c3d2aa4SCharles Keepax } 2181245b700SNamarta Kohli } else { 2191245b700SNamarta Kohli /* capture streams can be powered down now */ 2201245b700SNamarta Kohli snd_soc_dapm_stream_event(rtd, 2211245b700SNamarta Kohli SNDRV_PCM_STREAM_CAPTURE, 2221245b700SNamarta Kohli SND_SOC_DAPM_STREAM_STOP); 2231245b700SNamarta Kohli } 2241245b700SNamarta Kohli 22515e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 2261245b700SNamarta Kohli return 0; 2271245b700SNamarta Kohli } 2281245b700SNamarta Kohli 2292a99ef0fSLiam Girdwood static int soc_compr_free_fe(struct snd_compr_stream *cstream) 2302a99ef0fSLiam Girdwood { 2312a99ef0fSLiam Girdwood struct snd_soc_pcm_runtime *fe = cstream->private_data; 2322a99ef0fSLiam Girdwood struct snd_soc_platform *platform = fe->platform; 2332a99ef0fSLiam Girdwood struct snd_soc_dpcm *dpcm; 2342a99ef0fSLiam Girdwood int stream, ret; 2352a99ef0fSLiam Girdwood 2362a99ef0fSLiam Girdwood mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); 2372a99ef0fSLiam Girdwood 23824894b76SLars-Peter Clausen if (cstream->direction == SND_COMPRESS_PLAYBACK) 2392a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_PLAYBACK; 24024894b76SLars-Peter Clausen else 2412a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_CAPTURE; 2422a99ef0fSLiam Girdwood 24324894b76SLars-Peter Clausen snd_soc_runtime_deactivate(fe, stream); 2442a99ef0fSLiam Girdwood 2452a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; 2462a99ef0fSLiam Girdwood 2472a99ef0fSLiam Girdwood ret = dpcm_be_dai_hw_free(fe, stream); 2482a99ef0fSLiam Girdwood if (ret < 0) 2492a99ef0fSLiam Girdwood dev_err(fe->dev, "compressed hw_free failed %d\n", ret); 2502a99ef0fSLiam Girdwood 2512a99ef0fSLiam Girdwood ret = dpcm_be_dai_shutdown(fe, stream); 2522a99ef0fSLiam Girdwood 2532a99ef0fSLiam Girdwood /* mark FE's links ready to prune */ 2542a99ef0fSLiam Girdwood list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) 2552a99ef0fSLiam Girdwood dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; 2562a99ef0fSLiam Girdwood 2572a99ef0fSLiam Girdwood if (stream == SNDRV_PCM_STREAM_PLAYBACK) 2582a99ef0fSLiam Girdwood dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP); 2592a99ef0fSLiam Girdwood else 2602a99ef0fSLiam Girdwood dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP); 2612a99ef0fSLiam Girdwood 2622a99ef0fSLiam Girdwood fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE; 2632a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; 2642a99ef0fSLiam Girdwood 2652a99ef0fSLiam Girdwood dpcm_be_disconnect(fe, stream); 2662a99ef0fSLiam Girdwood 2672a99ef0fSLiam Girdwood fe->dpcm[stream].runtime = NULL; 2682a99ef0fSLiam Girdwood 2692a99ef0fSLiam Girdwood if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown) 2702a99ef0fSLiam Girdwood fe->dai_link->compr_ops->shutdown(cstream); 2712a99ef0fSLiam Girdwood 2722a99ef0fSLiam Girdwood if (platform->driver->compr_ops && platform->driver->compr_ops->free) 2732a99ef0fSLiam Girdwood platform->driver->compr_ops->free(cstream); 2742a99ef0fSLiam Girdwood 2752a99ef0fSLiam Girdwood mutex_unlock(&fe->card->mutex); 2762a99ef0fSLiam Girdwood return 0; 2772a99ef0fSLiam Girdwood } 2782a99ef0fSLiam Girdwood 2791245b700SNamarta Kohli static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd) 2801245b700SNamarta Kohli { 2811245b700SNamarta Kohli 2821245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 2831245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 2841245b700SNamarta Kohli struct snd_soc_dai *codec_dai = rtd->codec_dai; 2851245b700SNamarta Kohli int ret = 0; 2861245b700SNamarta Kohli 28715e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 28815e2e619SCharles Keepax 2891245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { 2901245b700SNamarta Kohli ret = platform->driver->compr_ops->trigger(cstream, cmd); 2911245b700SNamarta Kohli if (ret < 0) 29215e2e619SCharles Keepax goto out; 2931245b700SNamarta Kohli } 2941245b700SNamarta Kohli 295e38b9b74SMark Brown switch (cmd) { 296e38b9b74SMark Brown case SNDRV_PCM_TRIGGER_START: 297da18396fSMark Brown snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction); 298e38b9b74SMark Brown break; 299e38b9b74SMark Brown case SNDRV_PCM_TRIGGER_STOP: 300da18396fSMark Brown snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); 301e38b9b74SMark Brown break; 302e38b9b74SMark Brown } 3031245b700SNamarta Kohli 30415e2e619SCharles Keepax out: 30515e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 3061245b700SNamarta Kohli return ret; 3071245b700SNamarta Kohli } 3081245b700SNamarta Kohli 3092a99ef0fSLiam Girdwood static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd) 3102a99ef0fSLiam Girdwood { 3112a99ef0fSLiam Girdwood struct snd_soc_pcm_runtime *fe = cstream->private_data; 3122a99ef0fSLiam Girdwood struct snd_soc_platform *platform = fe->platform; 3132a99ef0fSLiam Girdwood int ret = 0, stream; 3142a99ef0fSLiam Girdwood 3152a99ef0fSLiam Girdwood if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN || 3162a99ef0fSLiam Girdwood cmd == SND_COMPR_TRIGGER_DRAIN) { 3172a99ef0fSLiam Girdwood 3182a99ef0fSLiam Girdwood if (platform->driver->compr_ops && 3192a99ef0fSLiam Girdwood platform->driver->compr_ops->trigger) 32015b8e94fSDan Carpenter return platform->driver->compr_ops->trigger(cstream, 32115b8e94fSDan Carpenter cmd); 3222a99ef0fSLiam Girdwood } 3232a99ef0fSLiam Girdwood 3242a99ef0fSLiam Girdwood if (cstream->direction == SND_COMPRESS_PLAYBACK) 3252a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_PLAYBACK; 3262a99ef0fSLiam Girdwood else 3272a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_CAPTURE; 3282a99ef0fSLiam Girdwood 3292a99ef0fSLiam Girdwood 3302a99ef0fSLiam Girdwood mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); 3312a99ef0fSLiam Girdwood 3322a99ef0fSLiam Girdwood if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { 3332a99ef0fSLiam Girdwood ret = platform->driver->compr_ops->trigger(cstream, cmd); 3342a99ef0fSLiam Girdwood if (ret < 0) 3352a99ef0fSLiam Girdwood goto out; 3362a99ef0fSLiam Girdwood } 3372a99ef0fSLiam Girdwood 3382a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; 3392a99ef0fSLiam Girdwood 3402a99ef0fSLiam Girdwood ret = dpcm_be_dai_trigger(fe, stream, cmd); 3412a99ef0fSLiam Girdwood 3422a99ef0fSLiam Girdwood switch (cmd) { 3432a99ef0fSLiam Girdwood case SNDRV_PCM_TRIGGER_START: 3442a99ef0fSLiam Girdwood case SNDRV_PCM_TRIGGER_RESUME: 3452a99ef0fSLiam Girdwood case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 3462a99ef0fSLiam Girdwood fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START; 3472a99ef0fSLiam Girdwood break; 3482a99ef0fSLiam Girdwood case SNDRV_PCM_TRIGGER_STOP: 3492a99ef0fSLiam Girdwood case SNDRV_PCM_TRIGGER_SUSPEND: 3502a99ef0fSLiam Girdwood fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP; 3512a99ef0fSLiam Girdwood break; 3522a99ef0fSLiam Girdwood case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 3532a99ef0fSLiam Girdwood fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED; 3542a99ef0fSLiam Girdwood break; 3552a99ef0fSLiam Girdwood } 3562a99ef0fSLiam Girdwood 3572a99ef0fSLiam Girdwood out: 3582a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; 3592a99ef0fSLiam Girdwood mutex_unlock(&fe->card->mutex); 3602a99ef0fSLiam Girdwood return ret; 3612a99ef0fSLiam Girdwood } 3622a99ef0fSLiam Girdwood 3631245b700SNamarta Kohli static int soc_compr_set_params(struct snd_compr_stream *cstream, 3641245b700SNamarta Kohli struct snd_compr_params *params) 3651245b700SNamarta Kohli { 3661245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 3671245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 3681245b700SNamarta Kohli int ret = 0; 3691245b700SNamarta Kohli 37015e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 37115e2e619SCharles Keepax 3721245b700SNamarta Kohli /* first we call set_params for the platform driver 3731245b700SNamarta Kohli * this should configure the soc side 3741245b700SNamarta Kohli * if the machine has compressed ops then we call that as well 3751245b700SNamarta Kohli * expectation is that platform and machine will configure everything 3761245b700SNamarta Kohli * for this compress path, like configuring pcm port for codec 3771245b700SNamarta Kohli */ 3781245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { 3791245b700SNamarta Kohli ret = platform->driver->compr_ops->set_params(cstream, params); 3801245b700SNamarta Kohli if (ret < 0) 381fa40ef20SCharles Keepax goto err; 3821245b700SNamarta Kohli } 3831245b700SNamarta Kohli 3841245b700SNamarta Kohli if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) { 3851245b700SNamarta Kohli ret = rtd->dai_link->compr_ops->set_params(cstream); 3861245b700SNamarta Kohli if (ret < 0) 387fa40ef20SCharles Keepax goto err; 3881245b700SNamarta Kohli } 3891245b700SNamarta Kohli 3902c071ed7SCharles Keepax if (cstream->direction == SND_COMPRESS_PLAYBACK) 3911245b700SNamarta Kohli snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, 3921245b700SNamarta Kohli SND_SOC_DAPM_STREAM_START); 3932c071ed7SCharles Keepax else 3942c071ed7SCharles Keepax snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE, 3952c071ed7SCharles Keepax SND_SOC_DAPM_STREAM_START); 3961245b700SNamarta Kohli 397fa40ef20SCharles Keepax /* cancel any delayed stream shutdown that is pending */ 398fa40ef20SCharles Keepax rtd->pop_wait = 0; 399fa40ef20SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 400fa40ef20SCharles Keepax 401fa40ef20SCharles Keepax cancel_delayed_work_sync(&rtd->delayed_work); 402fa40ef20SCharles Keepax 403fa40ef20SCharles Keepax return ret; 404fa40ef20SCharles Keepax 405fa40ef20SCharles Keepax err: 40615e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 4071245b700SNamarta Kohli return ret; 4081245b700SNamarta Kohli } 4091245b700SNamarta Kohli 4102a99ef0fSLiam Girdwood static int soc_compr_set_params_fe(struct snd_compr_stream *cstream, 4112a99ef0fSLiam Girdwood struct snd_compr_params *params) 4122a99ef0fSLiam Girdwood { 4132a99ef0fSLiam Girdwood struct snd_soc_pcm_runtime *fe = cstream->private_data; 4142a99ef0fSLiam Girdwood struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream; 4152a99ef0fSLiam Girdwood struct snd_soc_platform *platform = fe->platform; 4162a99ef0fSLiam Girdwood int ret = 0, stream; 4172a99ef0fSLiam Girdwood 4182a99ef0fSLiam Girdwood if (cstream->direction == SND_COMPRESS_PLAYBACK) 4192a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_PLAYBACK; 4202a99ef0fSLiam Girdwood else 4212a99ef0fSLiam Girdwood stream = SNDRV_PCM_STREAM_CAPTURE; 4222a99ef0fSLiam Girdwood 4232a99ef0fSLiam Girdwood mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); 4242a99ef0fSLiam Girdwood 4252a99ef0fSLiam Girdwood if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { 4262a99ef0fSLiam Girdwood ret = platform->driver->compr_ops->set_params(cstream, params); 4272a99ef0fSLiam Girdwood if (ret < 0) 4282a99ef0fSLiam Girdwood goto out; 4292a99ef0fSLiam Girdwood } 4302a99ef0fSLiam Girdwood 4312a99ef0fSLiam Girdwood if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) { 4322a99ef0fSLiam Girdwood ret = fe->dai_link->compr_ops->set_params(cstream); 4332a99ef0fSLiam Girdwood if (ret < 0) 4342a99ef0fSLiam Girdwood goto out; 4352a99ef0fSLiam Girdwood } 4362a99ef0fSLiam Girdwood 4372a99ef0fSLiam Girdwood /* 4382a99ef0fSLiam Girdwood * Create an empty hw_params for the BE as the machine driver must 4392a99ef0fSLiam Girdwood * fix this up to match DSP decoder and ASRC configuration. 4402a99ef0fSLiam Girdwood * I.e. machine driver fixup for compressed BE is mandatory. 4412a99ef0fSLiam Girdwood */ 4422a99ef0fSLiam Girdwood memset(&fe->dpcm[fe_substream->stream].hw_params, 0, 4432a99ef0fSLiam Girdwood sizeof(struct snd_pcm_hw_params)); 4442a99ef0fSLiam Girdwood 4452a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; 4462a99ef0fSLiam Girdwood 4472a99ef0fSLiam Girdwood ret = dpcm_be_dai_hw_params(fe, stream); 4482a99ef0fSLiam Girdwood if (ret < 0) 4492a99ef0fSLiam Girdwood goto out; 4502a99ef0fSLiam Girdwood 4512a99ef0fSLiam Girdwood ret = dpcm_be_dai_prepare(fe, stream); 4522a99ef0fSLiam Girdwood if (ret < 0) 4532a99ef0fSLiam Girdwood goto out; 4542a99ef0fSLiam Girdwood 4552a99ef0fSLiam Girdwood if (stream == SNDRV_PCM_STREAM_PLAYBACK) 4562a99ef0fSLiam Girdwood dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START); 4572a99ef0fSLiam Girdwood else 4582a99ef0fSLiam Girdwood dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START); 4592a99ef0fSLiam Girdwood 4602a99ef0fSLiam Girdwood fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE; 4612a99ef0fSLiam Girdwood 4622a99ef0fSLiam Girdwood out: 4632a99ef0fSLiam Girdwood fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; 4642a99ef0fSLiam Girdwood mutex_unlock(&fe->card->mutex); 4652a99ef0fSLiam Girdwood return ret; 4662a99ef0fSLiam Girdwood } 4672a99ef0fSLiam Girdwood 4681245b700SNamarta Kohli static int soc_compr_get_params(struct snd_compr_stream *cstream, 4691245b700SNamarta Kohli struct snd_codec *params) 4701245b700SNamarta Kohli { 4711245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 4721245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 4731245b700SNamarta Kohli int ret = 0; 4741245b700SNamarta Kohli 47515e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 47615e2e619SCharles Keepax 4771245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->get_params) 4781245b700SNamarta Kohli ret = platform->driver->compr_ops->get_params(cstream, params); 4791245b700SNamarta Kohli 48015e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 4811245b700SNamarta Kohli return ret; 4821245b700SNamarta Kohli } 4831245b700SNamarta Kohli 4841245b700SNamarta Kohli static int soc_compr_get_caps(struct snd_compr_stream *cstream, 4851245b700SNamarta Kohli struct snd_compr_caps *caps) 4861245b700SNamarta Kohli { 4871245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 4881245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 4891245b700SNamarta Kohli int ret = 0; 4901245b700SNamarta Kohli 49115e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 49215e2e619SCharles Keepax 4931245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps) 4941245b700SNamarta Kohli ret = platform->driver->compr_ops->get_caps(cstream, caps); 4951245b700SNamarta Kohli 49615e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 4971245b700SNamarta Kohli return ret; 4981245b700SNamarta Kohli } 4991245b700SNamarta Kohli 5001245b700SNamarta Kohli static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream, 5011245b700SNamarta Kohli struct snd_compr_codec_caps *codec) 5021245b700SNamarta Kohli { 5031245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 5041245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 5051245b700SNamarta Kohli int ret = 0; 5061245b700SNamarta Kohli 50715e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 50815e2e619SCharles Keepax 5091245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) 5101245b700SNamarta Kohli ret = platform->driver->compr_ops->get_codec_caps(cstream, codec); 5111245b700SNamarta Kohli 51215e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 5131245b700SNamarta Kohli return ret; 5141245b700SNamarta Kohli } 5151245b700SNamarta Kohli 5161245b700SNamarta Kohli static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes) 5171245b700SNamarta Kohli { 5181245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 5191245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 5201245b700SNamarta Kohli int ret = 0; 5211245b700SNamarta Kohli 52215e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 52315e2e619SCharles Keepax 5241245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->ack) 5251245b700SNamarta Kohli ret = platform->driver->compr_ops->ack(cstream, bytes); 5261245b700SNamarta Kohli 52715e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 5281245b700SNamarta Kohli return ret; 5291245b700SNamarta Kohli } 5301245b700SNamarta Kohli 5311245b700SNamarta Kohli static int soc_compr_pointer(struct snd_compr_stream *cstream, 5321245b700SNamarta Kohli struct snd_compr_tstamp *tstamp) 5331245b700SNamarta Kohli { 5341245b700SNamarta Kohli struct snd_soc_pcm_runtime *rtd = cstream->private_data; 5351245b700SNamarta Kohli struct snd_soc_platform *platform = rtd->platform; 5361245b700SNamarta Kohli 53715e2e619SCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 53815e2e619SCharles Keepax 5391245b700SNamarta Kohli if (platform->driver->compr_ops && platform->driver->compr_ops->pointer) 5401245b700SNamarta Kohli platform->driver->compr_ops->pointer(cstream, tstamp); 5411245b700SNamarta Kohli 54215e2e619SCharles Keepax mutex_unlock(&rtd->pcm_mutex); 5431245b700SNamarta Kohli return 0; 5441245b700SNamarta Kohli } 5451245b700SNamarta Kohli 5461f88eb0fSCharles Keepax static int soc_compr_copy(struct snd_compr_stream *cstream, 5474daf891cSCharles Keepax char __user *buf, size_t count) 5481f88eb0fSCharles Keepax { 5491f88eb0fSCharles Keepax struct snd_soc_pcm_runtime *rtd = cstream->private_data; 5501f88eb0fSCharles Keepax struct snd_soc_platform *platform = rtd->platform; 5511f88eb0fSCharles Keepax int ret = 0; 5521f88eb0fSCharles Keepax 5531f88eb0fSCharles Keepax mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); 5541f88eb0fSCharles Keepax 5551f88eb0fSCharles Keepax if (platform->driver->compr_ops && platform->driver->compr_ops->copy) 5561f88eb0fSCharles Keepax ret = platform->driver->compr_ops->copy(cstream, buf, count); 5571f88eb0fSCharles Keepax 5581f88eb0fSCharles Keepax mutex_unlock(&rtd->pcm_mutex); 5591f88eb0fSCharles Keepax return ret; 5601f88eb0fSCharles Keepax } 5611f88eb0fSCharles Keepax 56202bd90e8SVinod Koul static int soc_compr_set_metadata(struct snd_compr_stream *cstream, 56336953d98SJeeja KP struct snd_compr_metadata *metadata) 56436953d98SJeeja KP { 56536953d98SJeeja KP struct snd_soc_pcm_runtime *rtd = cstream->private_data; 56636953d98SJeeja KP struct snd_soc_platform *platform = rtd->platform; 56736953d98SJeeja KP int ret = 0; 56836953d98SJeeja KP 56936953d98SJeeja KP if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata) 57036953d98SJeeja KP ret = platform->driver->compr_ops->set_metadata(cstream, metadata); 57136953d98SJeeja KP 57236953d98SJeeja KP return ret; 57336953d98SJeeja KP } 57436953d98SJeeja KP 57502bd90e8SVinod Koul static int soc_compr_get_metadata(struct snd_compr_stream *cstream, 57636953d98SJeeja KP struct snd_compr_metadata *metadata) 57736953d98SJeeja KP { 57836953d98SJeeja KP struct snd_soc_pcm_runtime *rtd = cstream->private_data; 57936953d98SJeeja KP struct snd_soc_platform *platform = rtd->platform; 58036953d98SJeeja KP int ret = 0; 58136953d98SJeeja KP 58236953d98SJeeja KP if (platform->driver->compr_ops && platform->driver->compr_ops->get_metadata) 58336953d98SJeeja KP ret = platform->driver->compr_ops->get_metadata(cstream, metadata); 58436953d98SJeeja KP 58536953d98SJeeja KP return ret; 58636953d98SJeeja KP } 5872a99ef0fSLiam Girdwood 5881245b700SNamarta Kohli /* ASoC Compress operations */ 5891245b700SNamarta Kohli static struct snd_compr_ops soc_compr_ops = { 5901245b700SNamarta Kohli .open = soc_compr_open, 5911245b700SNamarta Kohli .free = soc_compr_free, 5921245b700SNamarta Kohli .set_params = soc_compr_set_params, 59302bd90e8SVinod Koul .set_metadata = soc_compr_set_metadata, 59402bd90e8SVinod Koul .get_metadata = soc_compr_get_metadata, 5951245b700SNamarta Kohli .get_params = soc_compr_get_params, 5961245b700SNamarta Kohli .trigger = soc_compr_trigger, 5971245b700SNamarta Kohli .pointer = soc_compr_pointer, 5981245b700SNamarta Kohli .ack = soc_compr_ack, 5991245b700SNamarta Kohli .get_caps = soc_compr_get_caps, 6001245b700SNamarta Kohli .get_codec_caps = soc_compr_get_codec_caps 6011245b700SNamarta Kohli }; 6021245b700SNamarta Kohli 6032a99ef0fSLiam Girdwood /* ASoC Dynamic Compress operations */ 6042a99ef0fSLiam Girdwood static struct snd_compr_ops soc_compr_dyn_ops = { 6052a99ef0fSLiam Girdwood .open = soc_compr_open_fe, 6062a99ef0fSLiam Girdwood .free = soc_compr_free_fe, 6072a99ef0fSLiam Girdwood .set_params = soc_compr_set_params_fe, 6082a99ef0fSLiam Girdwood .get_params = soc_compr_get_params, 6092a99ef0fSLiam Girdwood .set_metadata = soc_compr_set_metadata, 6102a99ef0fSLiam Girdwood .get_metadata = soc_compr_get_metadata, 6112a99ef0fSLiam Girdwood .trigger = soc_compr_trigger_fe, 6122a99ef0fSLiam Girdwood .pointer = soc_compr_pointer, 6132a99ef0fSLiam Girdwood .ack = soc_compr_ack, 6142a99ef0fSLiam Girdwood .get_caps = soc_compr_get_caps, 6152a99ef0fSLiam Girdwood .get_codec_caps = soc_compr_get_codec_caps 6162a99ef0fSLiam Girdwood }; 6172a99ef0fSLiam Girdwood 6181245b700SNamarta Kohli /* create a new compress */ 6191245b700SNamarta Kohli int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 6201245b700SNamarta Kohli { 6211245b700SNamarta Kohli struct snd_soc_codec *codec = rtd->codec; 6221f88eb0fSCharles Keepax struct snd_soc_platform *platform = rtd->platform; 6231245b700SNamarta Kohli struct snd_soc_dai *codec_dai = rtd->codec_dai; 6241245b700SNamarta Kohli struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 6251245b700SNamarta Kohli struct snd_compr *compr; 6262a99ef0fSLiam Girdwood struct snd_pcm *be_pcm; 6271245b700SNamarta Kohli char new_name[64]; 6281245b700SNamarta Kohli int ret = 0, direction = 0; 6291245b700SNamarta Kohli 6301245b700SNamarta Kohli /* check client and interface hw capabilities */ 6311245b700SNamarta Kohli snprintf(new_name, sizeof(new_name), "%s %s-%d", 6321245b700SNamarta Kohli rtd->dai_link->stream_name, codec_dai->name, num); 633daa2db59SCharles Keepax 634daa2db59SCharles Keepax if (codec_dai->driver->playback.channels_min) 6351245b700SNamarta Kohli direction = SND_COMPRESS_PLAYBACK; 636daa2db59SCharles Keepax else if (codec_dai->driver->capture.channels_min) 637daa2db59SCharles Keepax direction = SND_COMPRESS_CAPTURE; 638daa2db59SCharles Keepax else 639daa2db59SCharles Keepax return -EINVAL; 640daa2db59SCharles Keepax 6411245b700SNamarta Kohli compr = kzalloc(sizeof(*compr), GFP_KERNEL); 6421245b700SNamarta Kohli if (compr == NULL) { 6431245b700SNamarta Kohli snd_printk(KERN_ERR "Cannot allocate compr\n"); 6441245b700SNamarta Kohli return -ENOMEM; 6451245b700SNamarta Kohli } 6461245b700SNamarta Kohli 6471f88eb0fSCharles Keepax compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops), 6481f88eb0fSCharles Keepax GFP_KERNEL); 6491f88eb0fSCharles Keepax if (compr->ops == NULL) { 6501f88eb0fSCharles Keepax dev_err(rtd->card->dev, "Cannot allocate compressed ops\n"); 6511f88eb0fSCharles Keepax ret = -ENOMEM; 6521f88eb0fSCharles Keepax goto compr_err; 6531f88eb0fSCharles Keepax } 6542a99ef0fSLiam Girdwood 6552a99ef0fSLiam Girdwood if (rtd->dai_link->dynamic) { 6562a99ef0fSLiam Girdwood snprintf(new_name, sizeof(new_name), "(%s)", 6572a99ef0fSLiam Girdwood rtd->dai_link->stream_name); 6582a99ef0fSLiam Girdwood 6592a99ef0fSLiam Girdwood ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num, 6602a99ef0fSLiam Girdwood 1, 0, &be_pcm); 6612a99ef0fSLiam Girdwood if (ret < 0) { 6622a99ef0fSLiam Girdwood dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n", 6632a99ef0fSLiam Girdwood rtd->dai_link->name); 6642a99ef0fSLiam Girdwood goto compr_err; 6652a99ef0fSLiam Girdwood } 6662a99ef0fSLiam Girdwood 6672a99ef0fSLiam Girdwood rtd->pcm = be_pcm; 6682a99ef0fSLiam Girdwood rtd->fe_compr = 1; 6692a99ef0fSLiam Girdwood be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd; 6702a99ef0fSLiam Girdwood be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd; 6712a99ef0fSLiam Girdwood memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops)); 6722a99ef0fSLiam Girdwood } else 6731f88eb0fSCharles Keepax memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops)); 6741f88eb0fSCharles Keepax 6751f88eb0fSCharles Keepax /* Add copy callback for not memory mapped DSPs */ 6761f88eb0fSCharles Keepax if (platform->driver->compr_ops && platform->driver->compr_ops->copy) 6771f88eb0fSCharles Keepax compr->ops->copy = soc_compr_copy; 6781f88eb0fSCharles Keepax 6791245b700SNamarta Kohli mutex_init(&compr->lock); 6801245b700SNamarta Kohli ret = snd_compress_new(rtd->card->snd_card, num, direction, compr); 6811245b700SNamarta Kohli if (ret < 0) { 6821245b700SNamarta Kohli pr_err("compress asoc: can't create compress for codec %s\n", 6831245b700SNamarta Kohli codec->name); 6841f88eb0fSCharles Keepax goto compr_err; 6851245b700SNamarta Kohli } 6861245b700SNamarta Kohli 687202c8f70SCharles Keepax /* DAPM dai link stream work */ 688202c8f70SCharles Keepax INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); 689202c8f70SCharles Keepax 6901245b700SNamarta Kohli rtd->compr = compr; 6911245b700SNamarta Kohli compr->private_data = rtd; 6921245b700SNamarta Kohli 6931245b700SNamarta Kohli printk(KERN_INFO "compress asoc: %s <-> %s mapping ok\n", codec_dai->name, 6941245b700SNamarta Kohli cpu_dai->name); 6951245b700SNamarta Kohli return ret; 6961f88eb0fSCharles Keepax 6971f88eb0fSCharles Keepax compr_err: 6981f88eb0fSCharles Keepax kfree(compr); 6991f88eb0fSCharles Keepax return ret; 7001245b700SNamarta Kohli } 701