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 277fb290d0SLiam Girdwood #include <asm/mach-types.h> 28a09e64fbSRussell King #include <mach/spitz.h> 297fb290d0SLiam Girdwood #include "../codecs/wm8750.h" 3097952f60SLiam Girdwood #include "pxa2xx-i2s.h" 317fb290d0SLiam Girdwood 327fb290d0SLiam Girdwood #define SPITZ_HP 0 337fb290d0SLiam Girdwood #define SPITZ_MIC 1 347fb290d0SLiam Girdwood #define SPITZ_LINE 2 357fb290d0SLiam Girdwood #define SPITZ_HEADSET 3 367fb290d0SLiam Girdwood #define SPITZ_HP_OFF 4 377fb290d0SLiam Girdwood #define SPITZ_SPK_ON 0 387fb290d0SLiam Girdwood #define SPITZ_SPK_OFF 1 397fb290d0SLiam Girdwood 407fb290d0SLiam Girdwood /* audio clock in Hz - rounded from 12.235MHz */ 417fb290d0SLiam Girdwood #define SPITZ_AUDIO_CLOCK 12288000 427fb290d0SLiam Girdwood 437fb290d0SLiam Girdwood static int spitz_jack_func; 447fb290d0SLiam Girdwood static int spitz_spk_func; 457fb290d0SLiam Girdwood 467fb290d0SLiam Girdwood static void spitz_ext_control(struct snd_soc_codec *codec) 477fb290d0SLiam Girdwood { 48ce6120ccSLiam Girdwood struct snd_soc_dapm_context *dapm = &codec->dapm; 49ce6120ccSLiam Girdwood 507fb290d0SLiam Girdwood if (spitz_spk_func == SPITZ_SPK_ON) 51ce6120ccSLiam Girdwood snd_soc_dapm_enable_pin(dapm, "Ext Spk"); 527fb290d0SLiam Girdwood else 53ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Ext Spk"); 547fb290d0SLiam Girdwood 557fb290d0SLiam Girdwood /* set up jack connection */ 567fb290d0SLiam Girdwood switch (spitz_jack_func) { 577fb290d0SLiam Girdwood case SPITZ_HP: 587fb290d0SLiam Girdwood /* enable and unmute hp jack, disable mic bias */ 59ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headset Jack"); 60ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Mic Jack"); 61ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Line Jack"); 62ce6120ccSLiam Girdwood snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); 63fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 1); 64fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 1); 657fb290d0SLiam Girdwood break; 667fb290d0SLiam Girdwood case SPITZ_MIC: 677fb290d0SLiam Girdwood /* enable mic jack and bias, mute hp */ 68ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); 69ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headset Jack"); 70ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Line Jack"); 71ce6120ccSLiam Girdwood snd_soc_dapm_enable_pin(dapm, "Mic Jack"); 72fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 73fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 747fb290d0SLiam Girdwood break; 757fb290d0SLiam Girdwood case SPITZ_LINE: 767fb290d0SLiam Girdwood /* enable line jack, disable mic bias and mute hp */ 77ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); 78ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headset Jack"); 79ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Mic Jack"); 80ce6120ccSLiam Girdwood snd_soc_dapm_enable_pin(dapm, "Line Jack"); 81fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 82fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 837fb290d0SLiam Girdwood break; 847fb290d0SLiam Girdwood case SPITZ_HEADSET: 857fb290d0SLiam Girdwood /* enable and unmute headset jack enable mic bias, mute L hp */ 86ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); 87ce6120ccSLiam Girdwood snd_soc_dapm_enable_pin(dapm, "Mic Jack"); 88ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Line Jack"); 89ce6120ccSLiam Girdwood snd_soc_dapm_enable_pin(dapm, "Headset Jack"); 90fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 91fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 1); 927fb290d0SLiam Girdwood break; 937fb290d0SLiam Girdwood case SPITZ_HP_OFF: 947fb290d0SLiam Girdwood 957fb290d0SLiam Girdwood /* jack removed, everything off */ 96ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); 97ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Headset Jack"); 98ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Mic Jack"); 99ce6120ccSLiam Girdwood snd_soc_dapm_disable_pin(dapm, "Line Jack"); 100fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 101fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 1027fb290d0SLiam Girdwood break; 1037fb290d0SLiam Girdwood } 104ce6120ccSLiam Girdwood snd_soc_dapm_sync(dapm); 1057fb290d0SLiam Girdwood } 1067fb290d0SLiam Girdwood 1077fb290d0SLiam Girdwood static int spitz_startup(struct snd_pcm_substream *substream) 1087fb290d0SLiam Girdwood { 1097fb290d0SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 110f0fba2adSLiam Girdwood struct snd_soc_codec *codec = rtd->codec; 1117fb290d0SLiam Girdwood 11271a29560SMark Brown mutex_lock(&codec->mutex); 11371a29560SMark Brown 1147fb290d0SLiam Girdwood /* check the jack status at stream startup */ 1157fb290d0SLiam Girdwood spitz_ext_control(codec); 11671a29560SMark Brown 11771a29560SMark Brown mutex_unlock(&codec->mutex); 11871a29560SMark Brown 1197fb290d0SLiam Girdwood return 0; 1207fb290d0SLiam Girdwood } 1217fb290d0SLiam Girdwood 12297952f60SLiam Girdwood static int spitz_hw_params(struct snd_pcm_substream *substream, 12397952f60SLiam Girdwood struct snd_pcm_hw_params *params) 12497952f60SLiam Girdwood { 12597952f60SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 126f0fba2adSLiam Girdwood struct snd_soc_dai *codec_dai = rtd->codec_dai; 127f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 12897952f60SLiam Girdwood unsigned int clk = 0; 12997952f60SLiam Girdwood int ret = 0; 13097952f60SLiam Girdwood 13197952f60SLiam Girdwood switch (params_rate(params)) { 13297952f60SLiam Girdwood case 8000: 13397952f60SLiam Girdwood case 16000: 13497952f60SLiam Girdwood case 48000: 13597952f60SLiam Girdwood case 96000: 13697952f60SLiam Girdwood clk = 12288000; 13797952f60SLiam Girdwood break; 13897952f60SLiam Girdwood case 11025: 13997952f60SLiam Girdwood case 22050: 14097952f60SLiam Girdwood case 44100: 14197952f60SLiam Girdwood clk = 11289600; 14297952f60SLiam Girdwood break; 14397952f60SLiam Girdwood } 14497952f60SLiam Girdwood 14597952f60SLiam Girdwood /* set codec DAI configuration */ 14664105cfdSLiam Girdwood ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | 14797952f60SLiam Girdwood SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); 14897952f60SLiam Girdwood if (ret < 0) 14997952f60SLiam Girdwood return ret; 15097952f60SLiam Girdwood 15197952f60SLiam Girdwood /* set cpu DAI configuration */ 15264105cfdSLiam Girdwood ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | 15397952f60SLiam Girdwood SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); 15497952f60SLiam Girdwood if (ret < 0) 15597952f60SLiam Girdwood return ret; 15697952f60SLiam Girdwood 15797952f60SLiam Girdwood /* set the codec system clock for DAC and ADC */ 15864105cfdSLiam Girdwood ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, 15997952f60SLiam Girdwood SND_SOC_CLOCK_IN); 16097952f60SLiam Girdwood if (ret < 0) 16197952f60SLiam Girdwood return ret; 16297952f60SLiam Girdwood 16397952f60SLiam Girdwood /* set the I2S system clock as input (unused) */ 16464105cfdSLiam Girdwood ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, 16597952f60SLiam Girdwood SND_SOC_CLOCK_IN); 16697952f60SLiam Girdwood if (ret < 0) 16797952f60SLiam Girdwood return ret; 16897952f60SLiam Girdwood 16997952f60SLiam Girdwood return 0; 17097952f60SLiam Girdwood } 17197952f60SLiam Girdwood 1727fb290d0SLiam Girdwood static struct snd_soc_ops spitz_ops = { 1737fb290d0SLiam Girdwood .startup = spitz_startup, 17497952f60SLiam Girdwood .hw_params = spitz_hw_params, 1757fb290d0SLiam Girdwood }; 1767fb290d0SLiam Girdwood 1777fb290d0SLiam Girdwood static int spitz_get_jack(struct snd_kcontrol *kcontrol, 1787fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1797fb290d0SLiam Girdwood { 1807fb290d0SLiam Girdwood ucontrol->value.integer.value[0] = spitz_jack_func; 1817fb290d0SLiam Girdwood return 0; 1827fb290d0SLiam Girdwood } 1837fb290d0SLiam Girdwood 1847fb290d0SLiam Girdwood static int spitz_set_jack(struct snd_kcontrol *kcontrol, 1857fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1867fb290d0SLiam Girdwood { 1877fb290d0SLiam Girdwood struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 1887fb290d0SLiam Girdwood 1897fb290d0SLiam Girdwood if (spitz_jack_func == ucontrol->value.integer.value[0]) 1907fb290d0SLiam Girdwood return 0; 1917fb290d0SLiam Girdwood 1927fb290d0SLiam Girdwood spitz_jack_func = ucontrol->value.integer.value[0]; 1937fb290d0SLiam Girdwood spitz_ext_control(codec); 1947fb290d0SLiam Girdwood return 1; 1957fb290d0SLiam Girdwood } 1967fb290d0SLiam Girdwood 1977fb290d0SLiam Girdwood static int spitz_get_spk(struct snd_kcontrol *kcontrol, 1987fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1997fb290d0SLiam Girdwood { 2007fb290d0SLiam Girdwood ucontrol->value.integer.value[0] = spitz_spk_func; 2017fb290d0SLiam Girdwood return 0; 2027fb290d0SLiam Girdwood } 2037fb290d0SLiam Girdwood 2047fb290d0SLiam Girdwood static int spitz_set_spk(struct snd_kcontrol *kcontrol, 2057fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 2067fb290d0SLiam Girdwood { 2077fb290d0SLiam Girdwood struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 2087fb290d0SLiam Girdwood 2097fb290d0SLiam Girdwood if (spitz_spk_func == ucontrol->value.integer.value[0]) 2107fb290d0SLiam Girdwood return 0; 2117fb290d0SLiam Girdwood 2127fb290d0SLiam Girdwood spitz_spk_func = ucontrol->value.integer.value[0]; 2137fb290d0SLiam Girdwood spitz_ext_control(codec); 2147fb290d0SLiam Girdwood return 1; 2157fb290d0SLiam Girdwood } 2167fb290d0SLiam Girdwood 217338c7ed0SJarkko Nikula static int spitz_mic_bias(struct snd_soc_dapm_widget *w, 218338c7ed0SJarkko Nikula struct snd_kcontrol *k, int event) 2197fb290d0SLiam Girdwood { 220fff14720SEric Miao if (machine_is_borzoi() || machine_is_spitz()) 221fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MIC_BIAS, 222fff14720SEric Miao SND_SOC_DAPM_EVENT_ON(event)); 2237fb290d0SLiam Girdwood 224f72de663SEric Miao if (machine_is_akita()) 225f72de663SEric Miao gpio_set_value(AKITA_GPIO_MIC_BIAS, 226f72de663SEric Miao SND_SOC_DAPM_EVENT_ON(event)); 227f72de663SEric Miao 2287fb290d0SLiam Girdwood return 0; 2297fb290d0SLiam Girdwood } 2307fb290d0SLiam Girdwood 2317fb290d0SLiam Girdwood /* spitz machine dapm widgets */ 2327fb290d0SLiam Girdwood static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { 2337fb290d0SLiam Girdwood SND_SOC_DAPM_HP("Headphone Jack", NULL), 2347fb290d0SLiam Girdwood SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias), 2357fb290d0SLiam Girdwood SND_SOC_DAPM_SPK("Ext Spk", NULL), 2367fb290d0SLiam Girdwood SND_SOC_DAPM_LINE("Line Jack", NULL), 2377fb290d0SLiam Girdwood 2387fb290d0SLiam Girdwood /* headset is a mic and mono headphone */ 2397fb290d0SLiam Girdwood SND_SOC_DAPM_HP("Headset Jack", NULL), 2407fb290d0SLiam Girdwood }; 2417fb290d0SLiam Girdwood 2427fb290d0SLiam Girdwood /* Spitz machine audio_map */ 24325191c45SMark Brown static const struct snd_soc_dapm_route audio_map[] = { 2447fb290d0SLiam Girdwood 2457fb290d0SLiam Girdwood /* headphone connected to LOUT1, ROUT1 */ 2467fb290d0SLiam Girdwood {"Headphone Jack", NULL, "LOUT1"}, 2477fb290d0SLiam Girdwood {"Headphone Jack", NULL, "ROUT1"}, 2487fb290d0SLiam Girdwood 2497fb290d0SLiam Girdwood /* headset connected to ROUT1 and LINPUT1 with bias (def below) */ 2507fb290d0SLiam Girdwood {"Headset Jack", NULL, "ROUT1"}, 2517fb290d0SLiam Girdwood 2527fb290d0SLiam Girdwood /* ext speaker connected to LOUT2, ROUT2 */ 2537fb290d0SLiam Girdwood {"Ext Spk", NULL , "ROUT2"}, 2547fb290d0SLiam Girdwood {"Ext Spk", NULL , "LOUT2"}, 2557fb290d0SLiam Girdwood 2567fb290d0SLiam Girdwood /* mic is connected to input 1 - with bias */ 2577fb290d0SLiam Girdwood {"LINPUT1", NULL, "Mic Bias"}, 2587fb290d0SLiam Girdwood {"Mic Bias", NULL, "Mic Jack"}, 2597fb290d0SLiam Girdwood 2607fb290d0SLiam Girdwood /* line is connected to input 1 - no bias */ 2617fb290d0SLiam Girdwood {"LINPUT1", NULL, "Line Jack"}, 2627fb290d0SLiam Girdwood }; 2637fb290d0SLiam Girdwood 2647fb290d0SLiam Girdwood static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", 2657fb290d0SLiam Girdwood "Off"}; 2667fb290d0SLiam Girdwood static const char *spk_function[] = {"On", "Off"}; 2677fb290d0SLiam Girdwood static const struct soc_enum spitz_enum[] = { 2687fb290d0SLiam Girdwood SOC_ENUM_SINGLE_EXT(5, jack_function), 2697fb290d0SLiam Girdwood SOC_ENUM_SINGLE_EXT(2, spk_function), 2707fb290d0SLiam Girdwood }; 2717fb290d0SLiam Girdwood 2727fb290d0SLiam Girdwood static const struct snd_kcontrol_new wm8750_spitz_controls[] = { 2737fb290d0SLiam Girdwood SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack, 2747fb290d0SLiam Girdwood spitz_set_jack), 2757fb290d0SLiam Girdwood SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk, 2767fb290d0SLiam Girdwood spitz_set_spk), 2777fb290d0SLiam Girdwood }; 2787fb290d0SLiam Girdwood 2797fb290d0SLiam Girdwood /* 2807fb290d0SLiam Girdwood * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device 2817fb290d0SLiam Girdwood */ 282f0fba2adSLiam Girdwood static int spitz_wm8750_init(struct snd_soc_pcm_runtime *rtd) 2837fb290d0SLiam Girdwood { 284f0fba2adSLiam Girdwood struct snd_soc_codec *codec = rtd->codec; 285ce6120ccSLiam Girdwood struct snd_soc_dapm_context *dapm = &codec->dapm; 286eb5f6d75SPhilipp Zabel int err; 2877fb290d0SLiam Girdwood 2887fb290d0SLiam Girdwood /* NC codec pins */ 289ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "RINPUT1"); 290ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "LINPUT2"); 291ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "RINPUT2"); 292ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "LINPUT3"); 293ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "RINPUT3"); 294ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "OUT3"); 295ce6120ccSLiam Girdwood snd_soc_dapm_nc_pin(dapm, "MONO1"); 2967fb290d0SLiam Girdwood 2977fb290d0SLiam Girdwood /* Add spitz specific controls */ 298eb5f6d75SPhilipp Zabel err = snd_soc_add_controls(codec, wm8750_spitz_controls, 299eb5f6d75SPhilipp Zabel ARRAY_SIZE(wm8750_spitz_controls)); 3007fb290d0SLiam Girdwood if (err < 0) 3017fb290d0SLiam Girdwood return err; 3027fb290d0SLiam Girdwood 3037fb290d0SLiam Girdwood /* Add spitz specific widgets */ 304ce6120ccSLiam Girdwood snd_soc_dapm_new_controls(dapm, wm8750_dapm_widgets, 30525191c45SMark Brown ARRAY_SIZE(wm8750_dapm_widgets)); 3067fb290d0SLiam Girdwood 30725191c45SMark Brown /* Set up spitz specific audio paths */ 308ce6120ccSLiam Girdwood snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); 3097fb290d0SLiam Girdwood 310ce6120ccSLiam Girdwood snd_soc_dapm_sync(dapm); 3117fb290d0SLiam Girdwood return 0; 3127fb290d0SLiam Girdwood } 3137fb290d0SLiam Girdwood 3147fb290d0SLiam Girdwood /* spitz digital audio interface glue - connects codec <--> CPU */ 3157fb290d0SLiam Girdwood static struct snd_soc_dai_link spitz_dai = { 3167fb290d0SLiam Girdwood .name = "wm8750", 3177fb290d0SLiam Girdwood .stream_name = "WM8750", 318a3adfa00SDmitry Eremin-Solenikov .cpu_dai_name = "pxa2xx-i2s", 319f0fba2adSLiam Girdwood .codec_dai_name = "wm8750-hifi", 320f0fba2adSLiam Girdwood .platform_name = "pxa-pcm-audio", 321a3adfa00SDmitry Eremin-Solenikov .codec_name = "wm8750-codec.0-001b", 3227fb290d0SLiam Girdwood .init = spitz_wm8750_init, 32397952f60SLiam Girdwood .ops = &spitz_ops, 3247fb290d0SLiam Girdwood }; 3257fb290d0SLiam Girdwood 3267fb290d0SLiam Girdwood /* spitz audio machine driver */ 32787506549SMark Brown static struct snd_soc_card snd_soc_spitz = { 3287fb290d0SLiam Girdwood .name = "Spitz", 3297fb290d0SLiam Girdwood .dai_link = &spitz_dai, 3307fb290d0SLiam Girdwood .num_links = 1, 3317fb290d0SLiam Girdwood }; 3327fb290d0SLiam Girdwood 3337fb290d0SLiam Girdwood static struct platform_device *spitz_snd_device; 3347fb290d0SLiam Girdwood 3357fb290d0SLiam Girdwood static int __init spitz_init(void) 3367fb290d0SLiam Girdwood { 3377fb290d0SLiam Girdwood int ret; 3387fb290d0SLiam Girdwood 3397fb290d0SLiam Girdwood if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita())) 3407fb290d0SLiam Girdwood return -ENODEV; 3417fb290d0SLiam Girdwood 3427fb290d0SLiam Girdwood spitz_snd_device = platform_device_alloc("soc-audio", -1); 3437fb290d0SLiam Girdwood if (!spitz_snd_device) 3447fb290d0SLiam Girdwood return -ENOMEM; 3457fb290d0SLiam Girdwood 346f0fba2adSLiam Girdwood platform_set_drvdata(spitz_snd_device, &snd_soc_spitz); 3477fb290d0SLiam Girdwood ret = platform_device_add(spitz_snd_device); 3487fb290d0SLiam Girdwood 3497fb290d0SLiam Girdwood if (ret) 3507fb290d0SLiam Girdwood platform_device_put(spitz_snd_device); 3517fb290d0SLiam Girdwood 3527fb290d0SLiam Girdwood return ret; 3537fb290d0SLiam Girdwood } 3547fb290d0SLiam Girdwood 3557fb290d0SLiam Girdwood static void __exit spitz_exit(void) 3567fb290d0SLiam Girdwood { 3577fb290d0SLiam Girdwood platform_device_unregister(spitz_snd_device); 3587fb290d0SLiam Girdwood } 3597fb290d0SLiam Girdwood 3607fb290d0SLiam Girdwood module_init(spitz_init); 3617fb290d0SLiam Girdwood module_exit(spitz_exit); 3627fb290d0SLiam Girdwood 3637fb290d0SLiam Girdwood MODULE_AUTHOR("Richard Purdie"); 3647fb290d0SLiam Girdwood MODULE_DESCRIPTION("ALSA SoC Spitz"); 3657fb290d0SLiam Girdwood MODULE_LICENSE("GPL"); 366