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d927fdae VK |
1 | /* |
2 | * sst_platform.c - Intel MID Platform driver | |
3 | * | |
4 | * Copyright (C) 2010 Intel Corp | |
5 | * Author: Vinod Koul <vinod.koul@intel.com> | |
6 | * Author: Harsha Priya <priya.harsha@intel.com> | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
21 | * | |
22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
23 | * | |
24 | * | |
25 | */ | |
26 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
27 | ||
28 | #include <linux/slab.h> | |
29 | #include <linux/io.h> | |
30 | #include <sound/core.h> | |
31 | #include <sound/pcm.h> | |
32 | #include <sound/pcm_params.h> | |
33 | #include <sound/soc.h> | |
34 | #include "../../../drivers/staging/intel_sst/intel_sst_ioctl.h" | |
35 | #include "../../../drivers/staging/intel_sst/intel_sst.h" | |
36 | #include "sst_platform.h" | |
37 | ||
38 | static struct snd_pcm_hardware sst_platform_pcm_hw = { | |
39 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
40 | SNDRV_PCM_INFO_DOUBLE | | |
41 | SNDRV_PCM_INFO_PAUSE | | |
42 | SNDRV_PCM_INFO_RESUME | | |
43 | SNDRV_PCM_INFO_MMAP| | |
44 | SNDRV_PCM_INFO_MMAP_VALID | | |
45 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
46 | SNDRV_PCM_INFO_SYNC_START), | |
47 | .formats = (SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 | | |
48 | SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 | | |
49 | SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32), | |
50 | .rates = (SNDRV_PCM_RATE_8000| | |
51 | SNDRV_PCM_RATE_44100 | | |
52 | SNDRV_PCM_RATE_48000), | |
53 | .rate_min = SST_MIN_RATE, | |
54 | .rate_max = SST_MAX_RATE, | |
55 | .channels_min = SST_MIN_CHANNEL, | |
56 | .channels_max = SST_MAX_CHANNEL, | |
57 | .buffer_bytes_max = SST_MAX_BUFFER, | |
58 | .period_bytes_min = SST_MIN_PERIOD_BYTES, | |
59 | .period_bytes_max = SST_MAX_PERIOD_BYTES, | |
60 | .periods_min = SST_MIN_PERIODS, | |
61 | .periods_max = SST_MAX_PERIODS, | |
62 | .fifo_size = SST_FIFO_SIZE, | |
63 | }; | |
64 | ||
65 | /* MFLD - MSIC */ | |
d1b73287 | 66 | static struct snd_soc_dai_driver sst_platform_dai[] = { |
d927fdae VK |
67 | { |
68 | .name = "Headset-cpu-dai", | |
69 | .id = 0, | |
70 | .playback = { | |
71 | .channels_min = SST_STEREO, | |
72 | .channels_max = SST_STEREO, | |
73 | .rates = SNDRV_PCM_RATE_48000, | |
74 | .formats = SNDRV_PCM_FMTBIT_S24_LE, | |
75 | }, | |
a7bffdf7 HP |
76 | .capture = { |
77 | .channels_min = 1, | |
78 | .channels_max = 5, | |
79 | .rates = SNDRV_PCM_RATE_48000, | |
80 | .formats = SNDRV_PCM_FMTBIT_S24_LE, | |
81 | }, | |
d927fdae VK |
82 | }, |
83 | { | |
84 | .name = "Speaker-cpu-dai", | |
85 | .id = 1, | |
86 | .playback = { | |
87 | .channels_min = SST_MONO, | |
88 | .channels_max = SST_STEREO, | |
89 | .rates = SNDRV_PCM_RATE_48000, | |
90 | .formats = SNDRV_PCM_FMTBIT_S24_LE, | |
91 | }, | |
92 | }, | |
93 | { | |
94 | .name = "Vibra1-cpu-dai", | |
95 | .id = 2, | |
96 | .playback = { | |
97 | .channels_min = SST_MONO, | |
98 | .channels_max = SST_MONO, | |
99 | .rates = SNDRV_PCM_RATE_48000, | |
100 | .formats = SNDRV_PCM_FMTBIT_S24_LE, | |
101 | }, | |
102 | }, | |
103 | { | |
104 | .name = "Vibra2-cpu-dai", | |
105 | .id = 3, | |
106 | .playback = { | |
107 | .channels_min = SST_MONO, | |
108 | .channels_max = SST_STEREO, | |
109 | .rates = SNDRV_PCM_RATE_48000, | |
110 | .formats = SNDRV_PCM_FMTBIT_S24_LE, | |
111 | }, | |
112 | }, | |
113 | }; | |
5c68536f | 114 | |
d927fdae | 115 | /* helper functions */ |
5c68536f HP |
116 | static inline void sst_set_stream_status(struct sst_runtime_stream *stream, |
117 | int state) | |
118 | { | |
d89b0a13 LG |
119 | unsigned long flags; |
120 | spin_lock_irqsave(&stream->status_lock, flags); | |
5c68536f | 121 | stream->stream_status = state; |
d89b0a13 | 122 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
123 | } |
124 | ||
125 | static inline int sst_get_stream_status(struct sst_runtime_stream *stream) | |
126 | { | |
127 | int state; | |
d89b0a13 | 128 | unsigned long flags; |
5c68536f | 129 | |
d89b0a13 | 130 | spin_lock_irqsave(&stream->status_lock, flags); |
5c68536f | 131 | state = stream->stream_status; |
d89b0a13 | 132 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
133 | return state; |
134 | } | |
135 | ||
136 | static void sst_fill_pcm_params(struct snd_pcm_substream *substream, | |
137 | struct snd_sst_stream_params *param) | |
138 | { | |
139 | ||
140 | param->uc.pcm_params.codec = SST_CODEC_TYPE_PCM; | |
141 | param->uc.pcm_params.num_chan = (u8) substream->runtime->channels; | |
142 | param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits; | |
143 | param->uc.pcm_params.reserved = 0; | |
144 | param->uc.pcm_params.sfreq = substream->runtime->rate; | |
145 | param->uc.pcm_params.ring_buffer_size = | |
146 | snd_pcm_lib_buffer_bytes(substream); | |
147 | param->uc.pcm_params.period_count = substream->runtime->period_size; | |
148 | param->uc.pcm_params.ring_buffer_addr = | |
149 | virt_to_phys(substream->dma_buffer.area); | |
150 | pr_debug("period_cnt = %d\n", param->uc.pcm_params.period_count); | |
151 | pr_debug("sfreq= %d, wd_sz = %d\n", | |
152 | param->uc.pcm_params.sfreq, param->uc.pcm_params.pcm_wd_sz); | |
153 | } | |
154 | ||
d927fdae VK |
155 | static int sst_platform_alloc_stream(struct snd_pcm_substream *substream) |
156 | { | |
157 | struct sst_runtime_stream *stream = | |
158 | substream->runtime->private_data; | |
159 | struct snd_sst_stream_params param = {{{0,},},}; | |
160 | struct snd_sst_params str_params = {0}; | |
161 | int ret_val; | |
162 | ||
163 | /* set codec params and inform SST driver the same */ | |
5c68536f | 164 | sst_fill_pcm_params(substream, ¶m); |
d927fdae | 165 | substream->runtime->dma_area = substream->dma_buffer.area; |
d927fdae | 166 | str_params.sparams = param; |
5c68536f | 167 | str_params.codec = param.uc.pcm_params.codec; |
d927fdae VK |
168 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
169 | str_params.ops = STREAM_OPS_PLAYBACK; | |
170 | str_params.device_type = substream->pcm->device + 1; | |
171 | pr_debug("Playbck stream,Device %d\n", | |
172 | substream->pcm->device); | |
173 | } else { | |
174 | str_params.ops = STREAM_OPS_CAPTURE; | |
175 | str_params.device_type = SND_SST_DEVICE_CAPTURE; | |
176 | pr_debug("Capture stream,Device %d\n", | |
177 | substream->pcm->device); | |
178 | } | |
a211701e | 179 | ret_val = stream->sstdrv_ops->pcm_control->open(&str_params); |
d927fdae VK |
180 | pr_debug("SST_SND_PLAY/CAPTURE ret_val = %x\n", ret_val); |
181 | if (ret_val < 0) | |
182 | return ret_val; | |
183 | ||
184 | stream->stream_info.str_id = ret_val; | |
185 | pr_debug("str id : %d\n", stream->stream_info.str_id); | |
d927fdae VK |
186 | return ret_val; |
187 | } | |
188 | ||
d927fdae VK |
189 | static void sst_period_elapsed(void *mad_substream) |
190 | { | |
191 | struct snd_pcm_substream *substream = mad_substream; | |
192 | struct sst_runtime_stream *stream; | |
5c68536f | 193 | int status; |
d927fdae VK |
194 | |
195 | if (!substream || !substream->runtime) | |
196 | return; | |
197 | stream = substream->runtime->private_data; | |
198 | if (!stream) | |
199 | return; | |
5c68536f HP |
200 | status = sst_get_stream_status(stream); |
201 | if (status != SST_PLATFORM_RUNNING) | |
d927fdae | 202 | return; |
d927fdae | 203 | snd_pcm_period_elapsed(substream); |
d927fdae VK |
204 | } |
205 | ||
206 | static int sst_platform_init_stream(struct snd_pcm_substream *substream) | |
207 | { | |
208 | struct sst_runtime_stream *stream = | |
209 | substream->runtime->private_data; | |
210 | int ret_val; | |
211 | ||
212 | pr_debug("setting buffer ptr param\n"); | |
5c68536f | 213 | sst_set_stream_status(stream, SST_PLATFORM_INIT); |
d927fdae VK |
214 | stream->stream_info.period_elapsed = sst_period_elapsed; |
215 | stream->stream_info.mad_substream = substream; | |
216 | stream->stream_info.buffer_ptr = 0; | |
217 | stream->stream_info.sfreq = substream->runtime->rate; | |
a211701e HP |
218 | ret_val = stream->sstdrv_ops->pcm_control->device_control( |
219 | SST_SND_STREAM_INIT, &stream->stream_info); | |
d927fdae VK |
220 | if (ret_val) |
221 | pr_err("control_set ret error %d\n", ret_val); | |
222 | return ret_val; | |
223 | ||
224 | } | |
225 | /* end -- helper functions */ | |
226 | ||
227 | static int sst_platform_open(struct snd_pcm_substream *substream) | |
228 | { | |
22be504a | 229 | struct snd_pcm_runtime *runtime = substream->runtime; |
d927fdae VK |
230 | struct sst_runtime_stream *stream; |
231 | int ret_val = 0; | |
232 | ||
233 | pr_debug("sst_platform_open called\n"); | |
22be504a LG |
234 | |
235 | snd_soc_set_runtime_hwparams(substream, &sst_platform_pcm_hw); | |
283e42e0 LG |
236 | ret_val = snd_pcm_hw_constraint_integer(runtime, |
237 | SNDRV_PCM_HW_PARAM_PERIODS); | |
238 | if (ret_val < 0) | |
239 | return ret_val; | |
22be504a | 240 | |
d927fdae VK |
241 | stream = kzalloc(sizeof(*stream), GFP_KERNEL); |
242 | if (!stream) | |
243 | return -ENOMEM; | |
d927fdae VK |
244 | spin_lock_init(&stream->status_lock); |
245 | stream->stream_info.str_id = 0; | |
5c68536f | 246 | sst_set_stream_status(stream, SST_PLATFORM_INIT); |
d927fdae VK |
247 | stream->stream_info.mad_substream = substream; |
248 | /* allocate memory for SST API set */ | |
249 | stream->sstdrv_ops = kzalloc(sizeof(*stream->sstdrv_ops), | |
250 | GFP_KERNEL); | |
251 | if (!stream->sstdrv_ops) { | |
252 | pr_err("sst: mem allocation for ops fail\n"); | |
253 | kfree(stream); | |
254 | return -ENOMEM; | |
255 | } | |
256 | stream->sstdrv_ops->vendor_id = MSIC_VENDOR_ID; | |
0d1d7ce9 | 257 | stream->sstdrv_ops->module_name = SST_CARD_NAMES; |
d927fdae VK |
258 | /* registering with SST driver to get access to SST APIs to use */ |
259 | ret_val = register_sst_card(stream->sstdrv_ops); | |
260 | if (ret_val) { | |
261 | pr_err("sst: sst card registration failed\n"); | |
83a3fd3c LG |
262 | kfree(stream->sstdrv_ops); |
263 | kfree(stream); | |
d927fdae VK |
264 | return ret_val; |
265 | } | |
266 | runtime->private_data = stream; | |
283e42e0 LG |
267 | |
268 | return 0; | |
d927fdae VK |
269 | } |
270 | ||
271 | static int sst_platform_close(struct snd_pcm_substream *substream) | |
272 | { | |
273 | struct sst_runtime_stream *stream; | |
274 | int ret_val = 0, str_id; | |
275 | ||
276 | pr_debug("sst_platform_close called\n"); | |
d927fdae VK |
277 | stream = substream->runtime->private_data; |
278 | str_id = stream->stream_info.str_id; | |
d927fdae | 279 | if (str_id) |
a211701e | 280 | ret_val = stream->sstdrv_ops->pcm_control->close(str_id); |
fb631eae | 281 | unregister_sst_card(stream->sstdrv_ops); |
d927fdae VK |
282 | kfree(stream->sstdrv_ops); |
283 | kfree(stream); | |
284 | return ret_val; | |
285 | } | |
286 | ||
287 | static int sst_platform_pcm_prepare(struct snd_pcm_substream *substream) | |
288 | { | |
289 | struct sst_runtime_stream *stream; | |
290 | int ret_val = 0, str_id; | |
291 | ||
292 | pr_debug("sst_platform_pcm_prepare called\n"); | |
d927fdae VK |
293 | stream = substream->runtime->private_data; |
294 | str_id = stream->stream_info.str_id; | |
295 | if (stream->stream_info.str_id) { | |
a211701e | 296 | ret_val = stream->sstdrv_ops->pcm_control->device_control( |
d927fdae VK |
297 | SST_SND_DROP, &str_id); |
298 | return ret_val; | |
299 | } | |
300 | ||
301 | ret_val = sst_platform_alloc_stream(substream); | |
302 | if (ret_val < 0) | |
303 | return ret_val; | |
304 | snprintf(substream->pcm->id, sizeof(substream->pcm->id), | |
305 | "%d", stream->stream_info.str_id); | |
306 | ||
307 | ret_val = sst_platform_init_stream(substream); | |
308 | if (ret_val) | |
309 | return ret_val; | |
310 | substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; | |
311 | return ret_val; | |
312 | } | |
313 | ||
314 | static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream, | |
315 | int cmd) | |
316 | { | |
317 | int ret_val = 0, str_id; | |
318 | struct sst_runtime_stream *stream; | |
a211701e | 319 | int str_cmd, status; |
d927fdae VK |
320 | |
321 | pr_debug("sst_platform_pcm_trigger called\n"); | |
d927fdae | 322 | stream = substream->runtime->private_data; |
d927fdae | 323 | str_id = stream->stream_info.str_id; |
d927fdae VK |
324 | switch (cmd) { |
325 | case SNDRV_PCM_TRIGGER_START: | |
326 | pr_debug("sst: Trigger Start\n"); | |
a211701e HP |
327 | str_cmd = SST_SND_START; |
328 | status = SST_PLATFORM_RUNNING; | |
d927fdae VK |
329 | stream->stream_info.mad_substream = substream; |
330 | break; | |
331 | case SNDRV_PCM_TRIGGER_STOP: | |
332 | pr_debug("sst: in stop\n"); | |
a211701e HP |
333 | str_cmd = SST_SND_DROP; |
334 | status = SST_PLATFORM_DROPPED; | |
d927fdae VK |
335 | break; |
336 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
337 | pr_debug("sst: in pause\n"); | |
a211701e HP |
338 | str_cmd = SST_SND_PAUSE; |
339 | status = SST_PLATFORM_PAUSED; | |
d927fdae VK |
340 | break; |
341 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
342 | pr_debug("sst: in pause release\n"); | |
a211701e HP |
343 | str_cmd = SST_SND_RESUME; |
344 | status = SST_PLATFORM_RUNNING; | |
d927fdae VK |
345 | break; |
346 | default: | |
a211701e | 347 | return -EINVAL; |
d927fdae | 348 | } |
a211701e HP |
349 | ret_val = stream->sstdrv_ops->pcm_control->device_control(str_cmd, |
350 | &str_id); | |
351 | if (!ret_val) | |
352 | sst_set_stream_status(stream, status); | |
353 | ||
d927fdae VK |
354 | return ret_val; |
355 | } | |
356 | ||
357 | ||
358 | static snd_pcm_uframes_t sst_platform_pcm_pointer | |
359 | (struct snd_pcm_substream *substream) | |
360 | { | |
361 | struct sst_runtime_stream *stream; | |
5c68536f | 362 | int ret_val, status; |
d927fdae VK |
363 | struct pcm_stream_info *str_info; |
364 | ||
d927fdae | 365 | stream = substream->runtime->private_data; |
5c68536f HP |
366 | status = sst_get_stream_status(stream); |
367 | if (status == SST_PLATFORM_INIT) | |
d927fdae | 368 | return 0; |
d927fdae | 369 | str_info = &stream->stream_info; |
a211701e | 370 | ret_val = stream->sstdrv_ops->pcm_control->device_control( |
d927fdae VK |
371 | SST_SND_BUFFER_POINTER, str_info); |
372 | if (ret_val) { | |
373 | pr_err("sst: error code = %d\n", ret_val); | |
374 | return ret_val; | |
375 | } | |
d927fdae VK |
376 | return stream->stream_info.buffer_ptr; |
377 | } | |
378 | ||
5b499f8b VK |
379 | static int sst_platform_pcm_hw_params(struct snd_pcm_substream *substream, |
380 | struct snd_pcm_hw_params *params) | |
381 | { | |
382 | snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); | |
383 | memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); | |
384 | ||
385 | return 0; | |
386 | } | |
d927fdae | 387 | |
9ab88434 | 388 | static int sst_platform_pcm_hw_free(struct snd_pcm_substream *substream) |
389 | { | |
390 | return snd_pcm_lib_free_pages(substream); | |
391 | } | |
392 | ||
d927fdae VK |
393 | static struct snd_pcm_ops sst_platform_ops = { |
394 | .open = sst_platform_open, | |
395 | .close = sst_platform_close, | |
396 | .ioctl = snd_pcm_lib_ioctl, | |
397 | .prepare = sst_platform_pcm_prepare, | |
398 | .trigger = sst_platform_pcm_trigger, | |
399 | .pointer = sst_platform_pcm_pointer, | |
5b499f8b | 400 | .hw_params = sst_platform_pcm_hw_params, |
9ab88434 | 401 | .hw_free = sst_platform_pcm_hw_free, |
d927fdae VK |
402 | }; |
403 | ||
404 | static void sst_pcm_free(struct snd_pcm *pcm) | |
405 | { | |
406 | pr_debug("sst_pcm_free called\n"); | |
407 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
408 | } | |
409 | ||
552d1ef6 | 410 | int sst_pcm_new(struct snd_soc_pcm_runtime *rtd) |
d927fdae | 411 | { |
552d1ef6 LG |
412 | struct snd_soc_dai *dai = rtd->cpu_dai; |
413 | struct snd_pcm *pcm = rtd->pcm; | |
d927fdae VK |
414 | int retval = 0; |
415 | ||
416 | pr_debug("sst_pcm_new called\n"); | |
d927fdae VK |
417 | if (dai->driver->playback.channels_min || |
418 | dai->driver->capture.channels_min) { | |
419 | retval = snd_pcm_lib_preallocate_pages_for_all(pcm, | |
420 | SNDRV_DMA_TYPE_CONTINUOUS, | |
421 | snd_dma_continuous_data(GFP_KERNEL), | |
422 | SST_MIN_BUFFER, SST_MAX_BUFFER); | |
423 | if (retval) { | |
424 | pr_err("dma buffer allocationf fail\n"); | |
425 | return retval; | |
426 | } | |
427 | } | |
d927fdae VK |
428 | return retval; |
429 | } | |
430 | struct snd_soc_platform_driver sst_soc_platform_drv = { | |
431 | .ops = &sst_platform_ops, | |
432 | .pcm_new = sst_pcm_new, | |
433 | .pcm_free = sst_pcm_free, | |
434 | }; | |
435 | ||
436 | static int sst_platform_probe(struct platform_device *pdev) | |
437 | { | |
438 | int ret; | |
439 | ||
440 | pr_debug("sst_platform_probe called\n"); | |
441 | ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv); | |
442 | if (ret) { | |
443 | pr_err("registering soc platform failed\n"); | |
444 | return ret; | |
445 | } | |
5c68536f | 446 | |
d927fdae VK |
447 | ret = snd_soc_register_dais(&pdev->dev, |
448 | sst_platform_dai, ARRAY_SIZE(sst_platform_dai)); | |
449 | if (ret) { | |
450 | pr_err("registering cpu dais failed\n"); | |
451 | snd_soc_unregister_platform(&pdev->dev); | |
452 | } | |
453 | return ret; | |
454 | } | |
455 | ||
456 | static int sst_platform_remove(struct platform_device *pdev) | |
457 | { | |
458 | ||
459 | snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(sst_platform_dai)); | |
d927fdae | 460 | snd_soc_unregister_platform(&pdev->dev); |
25985edc | 461 | pr_debug("sst_platform_remove success\n"); |
d927fdae VK |
462 | return 0; |
463 | } | |
464 | ||
465 | static struct platform_driver sst_platform_driver = { | |
466 | .driver = { | |
467 | .name = "sst-platform", | |
468 | .owner = THIS_MODULE, | |
469 | }, | |
470 | .probe = sst_platform_probe, | |
471 | .remove = sst_platform_remove, | |
472 | }; | |
473 | ||
474 | static int __init sst_soc_platform_init(void) | |
475 | { | |
476 | pr_debug("sst_soc_platform_init called\n"); | |
c2f6fce3 | 477 | return platform_driver_register(&sst_platform_driver); |
d927fdae VK |
478 | } |
479 | module_init(sst_soc_platform_init); | |
480 | ||
481 | static void __exit sst_soc_platform_exit(void) | |
482 | { | |
483 | platform_driver_unregister(&sst_platform_driver); | |
25985edc | 484 | pr_debug("sst_soc_platform_exit success\n"); |
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485 | } |
486 | module_exit(sst_soc_platform_exit); | |
487 | ||
488 | MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver"); | |
489 | MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); | |
490 | MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); | |
491 | MODULE_LICENSE("GPL v2"); | |
f5c6b2aa | 492 | MODULE_ALIAS("platform:sst-platform"); |