17fb290d0SLiam Girdwood /* 27fb290d0SLiam Girdwood * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita 37fb290d0SLiam Girdwood * 47fb290d0SLiam Girdwood * Copyright 2005 Wolfson Microelectronics PLC. 57fb290d0SLiam Girdwood * Copyright 2005 Openedhand Ltd. 67fb290d0SLiam Girdwood * 7d331124dSLiam Girdwood * Authors: Liam Girdwood <lrg@slimlogic.co.uk> 87fb290d0SLiam Girdwood * Richard Purdie <richard@openedhand.com> 97fb290d0SLiam Girdwood * 107fb290d0SLiam Girdwood * This program is free software; you can redistribute it and/or modify it 117fb290d0SLiam Girdwood * under the terms of the GNU General Public License as published by the 127fb290d0SLiam Girdwood * Free Software Foundation; either version 2 of the License, or (at your 137fb290d0SLiam Girdwood * option) any later version. 147fb290d0SLiam Girdwood * 157fb290d0SLiam Girdwood */ 167fb290d0SLiam Girdwood 177fb290d0SLiam Girdwood #include <linux/module.h> 187fb290d0SLiam Girdwood #include <linux/moduleparam.h> 197fb290d0SLiam Girdwood #include <linux/timer.h> 207fb290d0SLiam Girdwood #include <linux/interrupt.h> 217fb290d0SLiam Girdwood #include <linux/platform_device.h> 22fff14720SEric Miao #include <linux/gpio.h> 237fb290d0SLiam Girdwood #include <sound/core.h> 247fb290d0SLiam Girdwood #include <sound/pcm.h> 257fb290d0SLiam Girdwood #include <sound/soc.h> 267fb290d0SLiam Girdwood #include <sound/soc-dapm.h> 277fb290d0SLiam Girdwood 287fb290d0SLiam Girdwood #include <asm/mach-types.h> 29a09e64fbSRussell King #include <mach/spitz.h> 307fb290d0SLiam Girdwood #include "../codecs/wm8750.h" 3197952f60SLiam Girdwood #include "pxa2xx-i2s.h" 327fb290d0SLiam Girdwood 337fb290d0SLiam Girdwood #define SPITZ_HP 0 347fb290d0SLiam Girdwood #define SPITZ_MIC 1 357fb290d0SLiam Girdwood #define SPITZ_LINE 2 367fb290d0SLiam Girdwood #define SPITZ_HEADSET 3 377fb290d0SLiam Girdwood #define SPITZ_HP_OFF 4 387fb290d0SLiam Girdwood #define SPITZ_SPK_ON 0 397fb290d0SLiam Girdwood #define SPITZ_SPK_OFF 1 407fb290d0SLiam Girdwood 417fb290d0SLiam Girdwood /* audio clock in Hz - rounded from 12.235MHz */ 427fb290d0SLiam Girdwood #define SPITZ_AUDIO_CLOCK 12288000 437fb290d0SLiam Girdwood 447fb290d0SLiam Girdwood static int spitz_jack_func; 457fb290d0SLiam Girdwood static int spitz_spk_func; 467fb290d0SLiam Girdwood 477fb290d0SLiam Girdwood static void spitz_ext_control(struct snd_soc_codec *codec) 487fb290d0SLiam Girdwood { 497fb290d0SLiam Girdwood if (spitz_spk_func == SPITZ_SPK_ON) 50a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Ext Spk"); 517fb290d0SLiam Girdwood else 52a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Ext Spk"); 537fb290d0SLiam Girdwood 547fb290d0SLiam Girdwood /* set up jack connection */ 557fb290d0SLiam Girdwood switch (spitz_jack_func) { 567fb290d0SLiam Girdwood case SPITZ_HP: 577fb290d0SLiam Girdwood /* enable and unmute hp jack, disable mic bias */ 58a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 59a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Mic Jack"); 60a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 61a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Headphone Jack"); 62fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 1); 63fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 1); 647fb290d0SLiam Girdwood break; 657fb290d0SLiam Girdwood case SPITZ_MIC: 667fb290d0SLiam Girdwood /* enable mic jack and bias, mute hp */ 67a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 68a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 69a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 70a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Mic Jack"); 71fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 72fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 737fb290d0SLiam Girdwood break; 747fb290d0SLiam Girdwood case SPITZ_LINE: 757fb290d0SLiam Girdwood /* enable line jack, disable mic bias and mute hp */ 76a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 77a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 78a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Mic Jack"); 79a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Line Jack"); 80fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 81fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 827fb290d0SLiam Girdwood break; 837fb290d0SLiam Girdwood case SPITZ_HEADSET: 847fb290d0SLiam Girdwood /* enable and unmute headset jack enable mic bias, mute L hp */ 85a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 86a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Mic Jack"); 87a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 88a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Headset Jack"); 89fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 90fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 1); 917fb290d0SLiam Girdwood break; 927fb290d0SLiam Girdwood case SPITZ_HP_OFF: 937fb290d0SLiam Girdwood 947fb290d0SLiam Girdwood /* jack removed, everything off */ 95a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 96a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 97a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Mic Jack"); 98a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 99fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 100fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 1017fb290d0SLiam Girdwood break; 1027fb290d0SLiam Girdwood } 103a5302181SLiam Girdwood snd_soc_dapm_sync(codec); 1047fb290d0SLiam Girdwood } 1057fb290d0SLiam Girdwood 1067fb290d0SLiam Girdwood static int spitz_startup(struct snd_pcm_substream *substream) 1077fb290d0SLiam Girdwood { 1087fb290d0SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 109f0fba2adSLiam Girdwood struct snd_soc_codec *codec = rtd->codec; 1107fb290d0SLiam Girdwood 11171a29560SMark Brown mutex_lock(&codec->mutex); 11271a29560SMark Brown 1137fb290d0SLiam Girdwood /* check the jack status at stream startup */ 1147fb290d0SLiam Girdwood spitz_ext_control(codec); 11571a29560SMark Brown 11671a29560SMark Brown mutex_unlock(&codec->mutex); 11771a29560SMark Brown 1187fb290d0SLiam Girdwood return 0; 1197fb290d0SLiam Girdwood } 1207fb290d0SLiam Girdwood 12197952f60SLiam Girdwood static int spitz_hw_params(struct snd_pcm_substream *substream, 12297952f60SLiam Girdwood struct snd_pcm_hw_params *params) 12397952f60SLiam Girdwood { 12497952f60SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 125f0fba2adSLiam Girdwood struct snd_soc_dai *codec_dai = rtd->codec_dai; 126f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 12797952f60SLiam Girdwood unsigned int clk = 0; 12897952f60SLiam Girdwood int ret = 0; 12997952f60SLiam Girdwood 13097952f60SLiam Girdwood switch (params_rate(params)) { 13197952f60SLiam Girdwood case 8000: 13297952f60SLiam Girdwood case 16000: 13397952f60SLiam Girdwood case 48000: 13497952f60SLiam Girdwood case 96000: 13597952f60SLiam Girdwood clk = 12288000; 13697952f60SLiam Girdwood break; 13797952f60SLiam Girdwood case 11025: 13897952f60SLiam Girdwood case 22050: 13997952f60SLiam Girdwood case 44100: 14097952f60SLiam Girdwood clk = 11289600; 14197952f60SLiam Girdwood break; 14297952f60SLiam Girdwood } 14397952f60SLiam Girdwood 14497952f60SLiam Girdwood /* set codec DAI configuration */ 14564105cfdSLiam Girdwood ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | 14697952f60SLiam Girdwood SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); 14797952f60SLiam Girdwood if (ret < 0) 14897952f60SLiam Girdwood return ret; 14997952f60SLiam Girdwood 15097952f60SLiam Girdwood /* set cpu DAI configuration */ 15164105cfdSLiam Girdwood ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | 15297952f60SLiam Girdwood SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); 15397952f60SLiam Girdwood if (ret < 0) 15497952f60SLiam Girdwood return ret; 15597952f60SLiam Girdwood 15697952f60SLiam Girdwood /* set the codec system clock for DAC and ADC */ 15764105cfdSLiam Girdwood ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, 15897952f60SLiam Girdwood SND_SOC_CLOCK_IN); 15997952f60SLiam Girdwood if (ret < 0) 16097952f60SLiam Girdwood return ret; 16197952f60SLiam Girdwood 16297952f60SLiam Girdwood /* set the I2S system clock as input (unused) */ 16364105cfdSLiam Girdwood ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, 16497952f60SLiam Girdwood SND_SOC_CLOCK_IN); 16597952f60SLiam Girdwood if (ret < 0) 16697952f60SLiam Girdwood return ret; 16797952f60SLiam Girdwood 16897952f60SLiam Girdwood return 0; 16997952f60SLiam Girdwood } 17097952f60SLiam Girdwood 1717fb290d0SLiam Girdwood static struct snd_soc_ops spitz_ops = { 1727fb290d0SLiam Girdwood .startup = spitz_startup, 17397952f60SLiam Girdwood .hw_params = spitz_hw_params, 1747fb290d0SLiam Girdwood }; 1757fb290d0SLiam Girdwood 1767fb290d0SLiam Girdwood static int spitz_get_jack(struct snd_kcontrol *kcontrol, 1777fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1787fb290d0SLiam Girdwood { 1797fb290d0SLiam Girdwood ucontrol->value.integer.value[0] = spitz_jack_func; 1807fb290d0SLiam Girdwood return 0; 1817fb290d0SLiam Girdwood } 1827fb290d0SLiam Girdwood 1837fb290d0SLiam Girdwood static int spitz_set_jack(struct snd_kcontrol *kcontrol, 1847fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1857fb290d0SLiam Girdwood { 1867fb290d0SLiam Girdwood struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 1877fb290d0SLiam Girdwood 1887fb290d0SLiam Girdwood if (spitz_jack_func == ucontrol->value.integer.value[0]) 1897fb290d0SLiam Girdwood return 0; 1907fb290d0SLiam Girdwood 1917fb290d0SLiam Girdwood spitz_jack_func = ucontrol->value.integer.value[0]; 1927fb290d0SLiam Girdwood spitz_ext_control(codec); 1937fb290d0SLiam Girdwood return 1; 1947fb290d0SLiam Girdwood } 1957fb290d0SLiam Girdwood 1967fb290d0SLiam Girdwood static int spitz_get_spk(struct snd_kcontrol *kcontrol, 1977fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1987fb290d0SLiam Girdwood { 1997fb290d0SLiam Girdwood ucontrol->value.integer.value[0] = spitz_spk_func; 2007fb290d0SLiam Girdwood return 0; 2017fb290d0SLiam Girdwood } 2027fb290d0SLiam Girdwood 2037fb290d0SLiam Girdwood static int spitz_set_spk(struct snd_kcontrol *kcontrol, 2047fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 2057fb290d0SLiam Girdwood { 2067fb290d0SLiam Girdwood struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 2077fb290d0SLiam Girdwood 2087fb290d0SLiam Girdwood if (spitz_spk_func == ucontrol->value.integer.value[0]) 2097fb290d0SLiam Girdwood return 0; 2107fb290d0SLiam Girdwood 2117fb290d0SLiam Girdwood spitz_spk_func = ucontrol->value.integer.value[0]; 2127fb290d0SLiam Girdwood spitz_ext_control(codec); 2137fb290d0SLiam Girdwood return 1; 2147fb290d0SLiam Girdwood } 2157fb290d0SLiam Girdwood 216338c7ed0SJarkko Nikula static int spitz_mic_bias(struct snd_soc_dapm_widget *w, 217338c7ed0SJarkko Nikula struct snd_kcontrol *k, int event) 2187fb290d0SLiam Girdwood { 219fff14720SEric Miao if (machine_is_borzoi() || machine_is_spitz()) 220fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MIC_BIAS, 221fff14720SEric Miao SND_SOC_DAPM_EVENT_ON(event)); 2227fb290d0SLiam Girdwood 223f72de663SEric Miao if (machine_is_akita()) 224f72de663SEric Miao gpio_set_value(AKITA_GPIO_MIC_BIAS, 225f72de663SEric Miao SND_SOC_DAPM_EVENT_ON(event)); 226f72de663SEric Miao 2277fb290d0SLiam Girdwood return 0; 2287fb290d0SLiam Girdwood } 2297fb290d0SLiam Girdwood 2307fb290d0SLiam Girdwood /* spitz machine dapm widgets */ 2317fb290d0SLiam Girdwood static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { 2327fb290d0SLiam Girdwood SND_SOC_DAPM_HP("Headphone Jack", NULL), 2337fb290d0SLiam Girdwood SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias), 2347fb290d0SLiam Girdwood SND_SOC_DAPM_SPK("Ext Spk", NULL), 2357fb290d0SLiam Girdwood SND_SOC_DAPM_LINE("Line Jack", NULL), 2367fb290d0SLiam Girdwood 2377fb290d0SLiam Girdwood /* headset is a mic and mono headphone */ 2387fb290d0SLiam Girdwood SND_SOC_DAPM_HP("Headset Jack", NULL), 2397fb290d0SLiam Girdwood }; 2407fb290d0SLiam Girdwood 2417fb290d0SLiam Girdwood /* Spitz machine audio_map */ 24225191c45SMark Brown static const struct snd_soc_dapm_route audio_map[] = { 2437fb290d0SLiam Girdwood 2447fb290d0SLiam Girdwood /* headphone connected to LOUT1, ROUT1 */ 2457fb290d0SLiam Girdwood {"Headphone Jack", NULL, "LOUT1"}, 2467fb290d0SLiam Girdwood {"Headphone Jack", NULL, "ROUT1"}, 2477fb290d0SLiam Girdwood 2487fb290d0SLiam Girdwood /* headset connected to ROUT1 and LINPUT1 with bias (def below) */ 2497fb290d0SLiam Girdwood {"Headset Jack", NULL, "ROUT1"}, 2507fb290d0SLiam Girdwood 2517fb290d0SLiam Girdwood /* ext speaker connected to LOUT2, ROUT2 */ 2527fb290d0SLiam Girdwood {"Ext Spk", NULL , "ROUT2"}, 2537fb290d0SLiam Girdwood {"Ext Spk", NULL , "LOUT2"}, 2547fb290d0SLiam Girdwood 2557fb290d0SLiam Girdwood /* mic is connected to input 1 - with bias */ 2567fb290d0SLiam Girdwood {"LINPUT1", NULL, "Mic Bias"}, 2577fb290d0SLiam Girdwood {"Mic Bias", NULL, "Mic Jack"}, 2587fb290d0SLiam Girdwood 2597fb290d0SLiam Girdwood /* line is connected to input 1 - no bias */ 2607fb290d0SLiam Girdwood {"LINPUT1", NULL, "Line Jack"}, 2617fb290d0SLiam Girdwood }; 2627fb290d0SLiam Girdwood 2637fb290d0SLiam Girdwood static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", 2647fb290d0SLiam Girdwood "Off"}; 2657fb290d0SLiam Girdwood static const char *spk_function[] = {"On", "Off"}; 2667fb290d0SLiam Girdwood static const struct soc_enum spitz_enum[] = { 2677fb290d0SLiam Girdwood SOC_ENUM_SINGLE_EXT(5, jack_function), 2687fb290d0SLiam Girdwood SOC_ENUM_SINGLE_EXT(2, spk_function), 2697fb290d0SLiam Girdwood }; 2707fb290d0SLiam Girdwood 2717fb290d0SLiam Girdwood static const struct snd_kcontrol_new wm8750_spitz_controls[] = { 2727fb290d0SLiam Girdwood SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack, 2737fb290d0SLiam Girdwood spitz_set_jack), 2747fb290d0SLiam Girdwood SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk, 2757fb290d0SLiam Girdwood spitz_set_spk), 2767fb290d0SLiam Girdwood }; 2777fb290d0SLiam Girdwood 2787fb290d0SLiam Girdwood /* 2797fb290d0SLiam Girdwood * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device 2807fb290d0SLiam Girdwood */ 281f0fba2adSLiam Girdwood static int spitz_wm8750_init(struct snd_soc_pcm_runtime *rtd) 2827fb290d0SLiam Girdwood { 283f0fba2adSLiam Girdwood struct snd_soc_codec *codec = rtd->codec; 284eb5f6d75SPhilipp Zabel int err; 2857fb290d0SLiam Girdwood 2867fb290d0SLiam Girdwood /* NC codec pins */ 28735f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "RINPUT1"); 28835f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "LINPUT2"); 28935f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "RINPUT2"); 29035f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "LINPUT3"); 29135f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "RINPUT3"); 29235f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "OUT3"); 29335f5e54dSMark Brown snd_soc_dapm_nc_pin(codec, "MONO1"); 2947fb290d0SLiam Girdwood 2957fb290d0SLiam Girdwood /* Add spitz specific controls */ 296eb5f6d75SPhilipp Zabel err = snd_soc_add_controls(codec, wm8750_spitz_controls, 297eb5f6d75SPhilipp Zabel ARRAY_SIZE(wm8750_spitz_controls)); 2987fb290d0SLiam Girdwood if (err < 0) 2997fb290d0SLiam Girdwood return err; 3007fb290d0SLiam Girdwood 3017fb290d0SLiam Girdwood /* Add spitz specific widgets */ 30225191c45SMark Brown snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets, 30325191c45SMark Brown ARRAY_SIZE(wm8750_dapm_widgets)); 3047fb290d0SLiam Girdwood 30525191c45SMark Brown /* Set up spitz specific audio paths */ 30625191c45SMark Brown snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 3077fb290d0SLiam Girdwood 308a5302181SLiam Girdwood snd_soc_dapm_sync(codec); 3097fb290d0SLiam Girdwood return 0; 3107fb290d0SLiam Girdwood } 3117fb290d0SLiam Girdwood 3127fb290d0SLiam Girdwood /* spitz digital audio interface glue - connects codec <--> CPU */ 3137fb290d0SLiam Girdwood static struct snd_soc_dai_link spitz_dai = { 3147fb290d0SLiam Girdwood .name = "wm8750", 3157fb290d0SLiam Girdwood .stream_name = "WM8750", 316f0fba2adSLiam Girdwood .cpu_dai_name = "pxa-is2", 317f0fba2adSLiam Girdwood .codec_dai_name = "wm8750-hifi", 318f0fba2adSLiam Girdwood .platform_name = "pxa-pcm-audio", 319f0fba2adSLiam Girdwood .codec_name = "wm8750-codec.0-001a", 3207fb290d0SLiam Girdwood .init = spitz_wm8750_init, 32197952f60SLiam Girdwood .ops = &spitz_ops, 3227fb290d0SLiam Girdwood }; 3237fb290d0SLiam Girdwood 3247fb290d0SLiam Girdwood /* spitz audio machine driver */ 32587506549SMark Brown static struct snd_soc_card snd_soc_spitz = { 3267fb290d0SLiam Girdwood .name = "Spitz", 3277fb290d0SLiam Girdwood .dai_link = &spitz_dai, 3287fb290d0SLiam Girdwood .num_links = 1, 3297fb290d0SLiam Girdwood }; 3307fb290d0SLiam Girdwood 3317fb290d0SLiam Girdwood static struct platform_device *spitz_snd_device; 3327fb290d0SLiam Girdwood 3337fb290d0SLiam Girdwood static int __init spitz_init(void) 3347fb290d0SLiam Girdwood { 3357fb290d0SLiam Girdwood int ret; 3367fb290d0SLiam Girdwood 3377fb290d0SLiam Girdwood if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita())) 3387fb290d0SLiam Girdwood return -ENODEV; 3397fb290d0SLiam Girdwood 3407fb290d0SLiam Girdwood spitz_snd_device = platform_device_alloc("soc-audio", -1); 3417fb290d0SLiam Girdwood if (!spitz_snd_device) 3427fb290d0SLiam Girdwood return -ENOMEM; 3437fb290d0SLiam Girdwood 344f0fba2adSLiam Girdwood platform_set_drvdata(spitz_snd_device, &snd_soc_spitz); 3457fb290d0SLiam Girdwood ret = platform_device_add(spitz_snd_device); 3467fb290d0SLiam Girdwood 3477fb290d0SLiam Girdwood if (ret) 3487fb290d0SLiam Girdwood platform_device_put(spitz_snd_device); 3497fb290d0SLiam Girdwood 3507fb290d0SLiam Girdwood return ret; 3517fb290d0SLiam Girdwood } 3527fb290d0SLiam Girdwood 3537fb290d0SLiam Girdwood static void __exit spitz_exit(void) 3547fb290d0SLiam Girdwood { 3557fb290d0SLiam Girdwood platform_device_unregister(spitz_snd_device); 3567fb290d0SLiam Girdwood } 3577fb290d0SLiam Girdwood 3587fb290d0SLiam Girdwood module_init(spitz_init); 3597fb290d0SLiam Girdwood module_exit(spitz_exit); 3607fb290d0SLiam Girdwood 3617fb290d0SLiam Girdwood MODULE_AUTHOR("Richard Purdie"); 3627fb290d0SLiam Girdwood MODULE_DESCRIPTION("ALSA SoC Spitz"); 3637fb290d0SLiam Girdwood MODULE_LICENSE("GPL"); 364