blob: 9860018cc2e585fb8c0e637d79202c05ef1d3510 [file] [log] [blame]
Jarkko Nikula49100c92010-05-05 11:14:22 +03001/*
2 * rx51.c -- SoC audio for Nokia RX-51
3 *
4 * Copyright (C) 2008 - 2009 Nokia Corporation
5 *
6 * Contact: Peter Ujfalusi <peter.ujfalusi@nokia.com>
7 * Eduardo Valentin <eduardo.valentin@nokia.com>
8 * Jarkko Nikula <jhnikula@gmail.com>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * version 2 as published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * 02110-1301 USA
23 *
24 */
25
26#include <linux/delay.h>
27#include <linux/gpio.h>
28#include <linux/platform_device.h>
29#include <sound/core.h>
Jarkko Nikula8c523112010-06-21 14:15:00 +030030#include <sound/jack.h>
Jarkko Nikula49100c92010-05-05 11:14:22 +030031#include <sound/pcm.h>
32#include <sound/soc.h>
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +000033#include <plat/mcbsp.h>
Jarkko Nikula48529b32011-01-27 16:47:11 +020034#include "../codecs/tpa6130a2.h"
Jarkko Nikula49100c92010-05-05 11:14:22 +030035
36#include <asm/mach-types.h>
37
38#include "omap-mcbsp.h"
39#include "omap-pcm.h"
Jarkko Nikula49100c92010-05-05 11:14:22 +030040
Jarkko Nikula4eb547032010-06-21 14:14:59 +030041#define RX51_TVOUT_SEL_GPIO 40
Jarkko Nikula8c523112010-06-21 14:15:00 +030042#define RX51_JACK_DETECT_GPIO 177
Jarkko Nikula31164c72011-02-14 17:20:21 +020043#define RX51_ECI_SW_GPIO 182
Jarkko Nikula49100c92010-05-05 11:14:22 +030044/*
45 * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
46 * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
47 */
48#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
49
Jarkko Nikula4eb547032010-06-21 14:14:59 +030050enum {
51 RX51_JACK_DISABLED,
Jarkko Nikula48529b32011-01-27 16:47:11 +020052 RX51_JACK_TVOUT, /* tv-out with stereo output */
53 RX51_JACK_HP, /* headphone: stereo output, no mic */
Jarkko Nikula31164c72011-02-14 17:20:21 +020054 RX51_JACK_HS, /* headset: stereo output with mic */
Jarkko Nikula4eb547032010-06-21 14:14:59 +030055};
56
Jarkko Nikula49100c92010-05-05 11:14:22 +030057static int rx51_spk_func;
58static int rx51_dmic_func;
Jarkko Nikula4eb547032010-06-21 14:14:59 +030059static int rx51_jack_func;
Jarkko Nikula49100c92010-05-05 11:14:22 +030060
61static void rx51_ext_control(struct snd_soc_codec *codec)
62{
Liam Girdwoodce6120c2010-11-05 15:53:46 +020063 struct snd_soc_dapm_context *dapm = &codec->dapm;
Jarkko Nikula31164c72011-02-14 17:20:21 +020064 int hp = 0, hs = 0, tvout = 0;
Jarkko Nikula48529b32011-01-27 16:47:11 +020065
66 switch (rx51_jack_func) {
67 case RX51_JACK_TVOUT:
68 tvout = 1;
Jarkko Nikula31164c72011-02-14 17:20:21 +020069 hp = 1;
70 break;
71 case RX51_JACK_HS:
72 hs = 1;
Jarkko Nikula48529b32011-01-27 16:47:11 +020073 case RX51_JACK_HP:
74 hp = 1;
75 break;
76 }
Liam Girdwoodce6120c2010-11-05 15:53:46 +020077
Jarkko Nikula49100c92010-05-05 11:14:22 +030078 if (rx51_spk_func)
Liam Girdwoodce6120c2010-11-05 15:53:46 +020079 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
Jarkko Nikula49100c92010-05-05 11:14:22 +030080 else
Liam Girdwoodce6120c2010-11-05 15:53:46 +020081 snd_soc_dapm_disable_pin(dapm, "Ext Spk");
Jarkko Nikula49100c92010-05-05 11:14:22 +030082 if (rx51_dmic_func)
Liam Girdwoodce6120c2010-11-05 15:53:46 +020083 snd_soc_dapm_enable_pin(dapm, "DMic");
Jarkko Nikula49100c92010-05-05 11:14:22 +030084 else
Liam Girdwoodce6120c2010-11-05 15:53:46 +020085 snd_soc_dapm_disable_pin(dapm, "DMic");
Jarkko Nikula48529b32011-01-27 16:47:11 +020086 if (hp)
87 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
88 else
89 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
Jarkko Nikula31164c72011-02-14 17:20:21 +020090 if (hs)
91 snd_soc_dapm_enable_pin(dapm, "HS Mic");
92 else
93 snd_soc_dapm_disable_pin(dapm, "HS Mic");
Jarkko Nikula49100c92010-05-05 11:14:22 +030094
Jarkko Nikula48529b32011-01-27 16:47:11 +020095 gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
Jarkko Nikula4eb547032010-06-21 14:14:59 +030096
Liam Girdwoodce6120c2010-11-05 15:53:46 +020097 snd_soc_dapm_sync(dapm);
Jarkko Nikula49100c92010-05-05 11:14:22 +030098}
99
100static int rx51_startup(struct snd_pcm_substream *substream)
101{
102 struct snd_pcm_runtime *runtime = substream->runtime;
103 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000104 struct snd_soc_codec *codec = rtd->codec;
Jarkko Nikula49100c92010-05-05 11:14:22 +0300105
106 snd_pcm_hw_constraint_minmax(runtime,
107 SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
108 rx51_ext_control(codec);
109
110 return 0;
111}
112
113static int rx51_hw_params(struct snd_pcm_substream *substream,
114 struct snd_pcm_hw_params *params)
115{
116 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000117 struct snd_soc_dai *codec_dai = rtd->codec_dai;
118 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Jarkko Nikula49100c92010-05-05 11:14:22 +0300119 int err;
120
121 /* Set codec DAI configuration */
122 err = snd_soc_dai_set_fmt(codec_dai,
123 SND_SOC_DAIFMT_DSP_A |
124 SND_SOC_DAIFMT_IB_NF |
125 SND_SOC_DAIFMT_CBM_CFM);
126 if (err < 0)
127 return err;
128
129 /* Set cpu DAI configuration */
130 err = snd_soc_dai_set_fmt(cpu_dai,
131 SND_SOC_DAIFMT_DSP_A |
132 SND_SOC_DAIFMT_IB_NF |
133 SND_SOC_DAIFMT_CBM_CFM);
134 if (err < 0)
135 return err;
136
137 /* Set the codec system clock for DAC and ADC */
138 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
139 SND_SOC_CLOCK_IN);
140}
141
142static struct snd_soc_ops rx51_ops = {
143 .startup = rx51_startup,
144 .hw_params = rx51_hw_params,
145};
146
147static int rx51_get_spk(struct snd_kcontrol *kcontrol,
148 struct snd_ctl_elem_value *ucontrol)
149{
150 ucontrol->value.integer.value[0] = rx51_spk_func;
151
152 return 0;
153}
154
155static int rx51_set_spk(struct snd_kcontrol *kcontrol,
156 struct snd_ctl_elem_value *ucontrol)
157{
158 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
159
160 if (rx51_spk_func == ucontrol->value.integer.value[0])
161 return 0;
162
163 rx51_spk_func = ucontrol->value.integer.value[0];
164 rx51_ext_control(codec);
165
166 return 1;
167}
168
169static int rx51_spk_event(struct snd_soc_dapm_widget *w,
170 struct snd_kcontrol *k, int event)
171{
172 if (SND_SOC_DAPM_EVENT_ON(event))
Jarkko Nikula4fff7a52010-08-23 10:36:41 +0300173 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
Jarkko Nikula49100c92010-05-05 11:14:22 +0300174 else
Jarkko Nikula4fff7a52010-08-23 10:36:41 +0300175 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
Jarkko Nikula49100c92010-05-05 11:14:22 +0300176
177 return 0;
178}
179
Jarkko Nikula48529b32011-01-27 16:47:11 +0200180static int rx51_hp_event(struct snd_soc_dapm_widget *w,
181 struct snd_kcontrol *k, int event)
182{
183 struct snd_soc_codec *codec = w->dapm->codec;
184
185 if (SND_SOC_DAPM_EVENT_ON(event))
186 tpa6130a2_stereo_enable(codec, 1);
187 else
188 tpa6130a2_stereo_enable(codec, 0);
189
190 return 0;
191}
192
Jarkko Nikula49100c92010-05-05 11:14:22 +0300193static int rx51_get_input(struct snd_kcontrol *kcontrol,
194 struct snd_ctl_elem_value *ucontrol)
195{
196 ucontrol->value.integer.value[0] = rx51_dmic_func;
197
198 return 0;
199}
200
201static int rx51_set_input(struct snd_kcontrol *kcontrol,
202 struct snd_ctl_elem_value *ucontrol)
203{
204 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
205
206 if (rx51_dmic_func == ucontrol->value.integer.value[0])
207 return 0;
208
209 rx51_dmic_func = ucontrol->value.integer.value[0];
210 rx51_ext_control(codec);
211
212 return 1;
213}
214
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300215static int rx51_get_jack(struct snd_kcontrol *kcontrol,
216 struct snd_ctl_elem_value *ucontrol)
217{
218 ucontrol->value.integer.value[0] = rx51_jack_func;
219
220 return 0;
221}
222
223static int rx51_set_jack(struct snd_kcontrol *kcontrol,
224 struct snd_ctl_elem_value *ucontrol)
225{
226 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
227
228 if (rx51_jack_func == ucontrol->value.integer.value[0])
229 return 0;
230
231 rx51_jack_func = ucontrol->value.integer.value[0];
232 rx51_ext_control(codec);
233
234 return 1;
235}
236
Jarkko Nikula8c523112010-06-21 14:15:00 +0300237static struct snd_soc_jack rx51_av_jack;
238
239static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
240 {
241 .gpio = RX51_JACK_DETECT_GPIO,
242 .name = "avdet-gpio",
243 .report = SND_JACK_VIDEOOUT,
244 .invert = 1,
245 .debounce_time = 200,
246 },
247};
248
Jarkko Nikula49100c92010-05-05 11:14:22 +0300249static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
250 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
251 SND_SOC_DAPM_MIC("DMic", NULL),
Jarkko Nikula48529b32011-01-27 16:47:11 +0200252 SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
Jarkko Nikula31164c72011-02-14 17:20:21 +0200253 SND_SOC_DAPM_MIC("HS Mic", NULL),
Jarkko Nikula49100c92010-05-05 11:14:22 +0300254};
255
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200256static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = {
257 SND_SOC_DAPM_SPK("Earphone", NULL),
258};
259
Jarkko Nikula49100c92010-05-05 11:14:22 +0300260static const struct snd_soc_dapm_route audio_map[] = {
261 {"Ext Spk", NULL, "HPLOUT"},
262 {"Ext Spk", NULL, "HPROUT"},
Jarkko Nikula48529b32011-01-27 16:47:11 +0200263 {"Headphone Jack", NULL, "LLOUT"},
264 {"Headphone Jack", NULL, "RLOUT"},
Jarkko Nikula49100c92010-05-05 11:14:22 +0300265
266 {"DMic Rate 64", NULL, "Mic Bias 2V"},
267 {"Mic Bias 2V", NULL, "DMic"},
268};
269
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200270static const struct snd_soc_dapm_route audio_mapb[] = {
271 {"b LINE2R", NULL, "MONO_LOUT"},
272 {"Earphone", NULL, "b HPLOUT"},
Jarkko Nikula31164c72011-02-14 17:20:21 +0200273
274 {"LINE1L", NULL, "b Mic Bias 2.5V"},
275 {"b Mic Bias 2.5V", NULL, "HS Mic"}
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200276};
277
Jarkko Nikula49100c92010-05-05 11:14:22 +0300278static const char *spk_function[] = {"Off", "On"};
279static const char *input_function[] = {"ADC", "Digital Mic"};
Jarkko Nikula31164c72011-02-14 17:20:21 +0200280static const char *jack_function[] = {"Off", "TV-OUT", "Headphone", "Headset"};
Jarkko Nikula49100c92010-05-05 11:14:22 +0300281
282static const struct soc_enum rx51_enum[] = {
283 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
284 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300285 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
Jarkko Nikula49100c92010-05-05 11:14:22 +0300286};
287
288static const struct snd_kcontrol_new aic34_rx51_controls[] = {
289 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
290 rx51_get_spk, rx51_set_spk),
291 SOC_ENUM_EXT("Input Select", rx51_enum[1],
292 rx51_get_input, rx51_set_input),
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300293 SOC_ENUM_EXT("Jack Function", rx51_enum[2],
294 rx51_get_jack, rx51_set_jack),
Jarkko Nikula49100c92010-05-05 11:14:22 +0300295};
296
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200297static const struct snd_kcontrol_new aic34_rx51_controlsb[] = {
298 SOC_DAPM_PIN_SWITCH("Earphone"),
299};
300
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000301static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
Jarkko Nikula49100c92010-05-05 11:14:22 +0300302{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000303 struct snd_soc_codec *codec = rtd->codec;
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200304 struct snd_soc_dapm_context *dapm = &codec->dapm;
Jarkko Nikula49100c92010-05-05 11:14:22 +0300305 int err;
306
307 /* Set up NC codec pins */
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200308 snd_soc_dapm_nc_pin(dapm, "MIC3L");
309 snd_soc_dapm_nc_pin(dapm, "MIC3R");
310 snd_soc_dapm_nc_pin(dapm, "LINE1R");
Jarkko Nikula49100c92010-05-05 11:14:22 +0300311
312 /* Add RX-51 specific controls */
313 err = snd_soc_add_controls(codec, aic34_rx51_controls,
314 ARRAY_SIZE(aic34_rx51_controls));
315 if (err < 0)
316 return err;
317
318 /* Add RX-51 specific widgets */
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200319 snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets,
Jarkko Nikula49100c92010-05-05 11:14:22 +0300320 ARRAY_SIZE(aic34_dapm_widgets));
321
322 /* Set up RX-51 specific audio path audio_map */
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200323 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
Jarkko Nikula49100c92010-05-05 11:14:22 +0300324
Jarkko Nikula48529b32011-01-27 16:47:11 +0200325 err = tpa6130a2_add_controls(codec);
326 if (err < 0)
327 return err;
328 snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
329
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200330 snd_soc_dapm_sync(dapm);
Jarkko Nikula49100c92010-05-05 11:14:22 +0300331
Jarkko Nikula8c523112010-06-21 14:15:00 +0300332 /* AV jack detection */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000333 err = snd_soc_jack_new(codec, "AV Jack",
Jarkko Nikula8c523112010-06-21 14:15:00 +0300334 SND_JACK_VIDEOOUT, &rx51_av_jack);
335 if (err)
336 return err;
337 err = snd_soc_jack_add_gpios(&rx51_av_jack,
338 ARRAY_SIZE(rx51_av_jack_gpios),
339 rx51_av_jack_gpios);
340
341 return err;
Jarkko Nikula49100c92010-05-05 11:14:22 +0300342}
343
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200344static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm)
345{
346 int err;
347
348 err = snd_soc_add_controls(dapm->codec, aic34_rx51_controlsb,
349 ARRAY_SIZE(aic34_rx51_controlsb));
350 if (err < 0)
351 return err;
352
353 err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb,
354 ARRAY_SIZE(aic34_dapm_widgetsb));
355 if (err < 0)
356 return 0;
357
358 return snd_soc_dapm_add_routes(dapm, audio_mapb,
359 ARRAY_SIZE(audio_mapb));
360}
361
Jarkko Nikula49100c92010-05-05 11:14:22 +0300362/* Digital audio interface glue - connects codec <--> CPU */
363static struct snd_soc_dai_link rx51_dai[] = {
364 {
365 .name = "TLV320AIC34",
366 .stream_name = "AIC34",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000367 .cpu_dai_name = "omap-mcbsp-dai.1",
368 .codec_dai_name = "tlv320aic3x-hifi",
369 .platform_name = "omap-pcm-audio",
370 .codec_name = "tlv320aic3x-codec.2-0018",
Jarkko Nikula49100c92010-05-05 11:14:22 +0300371 .init = rx51_aic34_init,
372 .ops = &rx51_ops,
373 },
374};
375
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200376struct snd_soc_aux_dev rx51_aux_dev[] = {
377 {
378 .name = "TLV320AIC34b",
379 .codec_name = "tlv320aic3x-codec.2-0019",
380 .init = rx51_aic34b_init,
381 },
382};
383
384static struct snd_soc_codec_conf rx51_codec_conf[] = {
385 {
386 .dev_name = "tlv320aic3x-codec.2-0019",
387 .name_prefix = "b",
388 },
389};
390
Jarkko Nikula49100c92010-05-05 11:14:22 +0300391/* Audio card */
392static struct snd_soc_card rx51_sound_card = {
393 .name = "RX-51",
394 .dai_link = rx51_dai,
395 .num_links = ARRAY_SIZE(rx51_dai),
Jarkko Nikula8cda9752011-01-31 14:43:48 +0200396 .aux_dev = rx51_aux_dev,
397 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
398 .codec_conf = rx51_codec_conf,
399 .num_configs = ARRAY_SIZE(rx51_codec_conf),
Jarkko Nikula49100c92010-05-05 11:14:22 +0300400};
401
402static struct platform_device *rx51_snd_device;
403
404static int __init rx51_soc_init(void)
405{
406 int err;
407
408 if (!machine_is_nokia_rx51())
409 return -ENODEV;
410
Jarkko Nikulad8ec5982011-02-14 17:20:20 +0200411 err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
412 GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel");
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300413 if (err)
414 goto err_gpio_tvout_sel;
Jarkko Nikula31164c72011-02-14 17:20:21 +0200415 err = gpio_request_one(RX51_ECI_SW_GPIO,
416 GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw");
417 if (err)
418 goto err_gpio_eci_sw;
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300419
Jarkko Nikula49100c92010-05-05 11:14:22 +0300420 rx51_snd_device = platform_device_alloc("soc-audio", -1);
421 if (!rx51_snd_device) {
422 err = -ENOMEM;
423 goto err1;
424 }
425
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000426 platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
Jarkko Nikula49100c92010-05-05 11:14:22 +0300427
428 err = platform_device_add(rx51_snd_device);
429 if (err)
430 goto err2;
431
432 return 0;
433err2:
434 platform_device_put(rx51_snd_device);
435err1:
Jarkko Nikula31164c72011-02-14 17:20:21 +0200436 gpio_free(RX51_ECI_SW_GPIO);
437err_gpio_eci_sw:
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300438 gpio_free(RX51_TVOUT_SEL_GPIO);
439err_gpio_tvout_sel:
Jarkko Nikula49100c92010-05-05 11:14:22 +0300440
441 return err;
442}
443
444static void __exit rx51_soc_exit(void)
445{
Jarkko Nikula8c523112010-06-21 14:15:00 +0300446 snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
447 rx51_av_jack_gpios);
448
Jarkko Nikula49100c92010-05-05 11:14:22 +0300449 platform_device_unregister(rx51_snd_device);
Jarkko Nikula31164c72011-02-14 17:20:21 +0200450 gpio_free(RX51_ECI_SW_GPIO);
Jarkko Nikula4eb547032010-06-21 14:14:59 +0300451 gpio_free(RX51_TVOUT_SEL_GPIO);
Jarkko Nikula49100c92010-05-05 11:14:22 +0300452}
453
454module_init(rx51_soc_init);
455module_exit(rx51_soc_exit);
456
457MODULE_AUTHOR("Nokia Corporation");
458MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
459MODULE_LICENSE("GPL");