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authorTakashi Iwai <tiwai@suse.de>2008-12-25 05:40:25 -0500
committerTakashi Iwai <tiwai@suse.de>2008-12-25 05:40:25 -0500
commit5c8261e44eaebbc91f9fc1bbd3f3167e91a50a57 (patch)
tree6b932687edc73c07e544ccba3f0130fdb257d902 /sound/soc/fsl/fsl_ssi.c
parentfacef8685b3ff95c01c33d9d836401d0dd26211d (diff)
parent472346da9cc4231bec03ff2032e0d5fd4037232c (diff)
Merge branch 'topic/asoc' into to-push
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 157a7895ffa1..c6d6eb71dc1d 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -266,7 +266,8 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
266 * If this is the first stream open, then grab the IRQ and program most of 266 * If this is the first stream open, then grab the IRQ and program most of
267 * the SSI registers. 267 * the SSI registers.
268 */ 268 */
269static int fsl_ssi_startup(struct snd_pcm_substream *substream) 269static int fsl_ssi_startup(struct snd_pcm_substream *substream,
270 struct snd_soc_dai *dai)
270{ 271{
271 struct snd_soc_pcm_runtime *rtd = substream->private_data; 272 struct snd_soc_pcm_runtime *rtd = substream->private_data;
272 struct fsl_ssi_private *ssi_private = rtd->dai->cpu_dai->private_data; 273 struct fsl_ssi_private *ssi_private = rtd->dai->cpu_dai->private_data;
@@ -411,7 +412,8 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream)
411 * Note: The SxCCR.DC and SxCCR.PM bits are only used if the SSI is the 412 * Note: The SxCCR.DC and SxCCR.PM bits are only used if the SSI is the
412 * clock master. 413 * clock master.
413 */ 414 */
414static int fsl_ssi_prepare(struct snd_pcm_substream *substream) 415static int fsl_ssi_prepare(struct snd_pcm_substream *substream,
416 struct snd_soc_dai *dai)
415{ 417{
416 struct snd_pcm_runtime *runtime = substream->runtime; 418 struct snd_pcm_runtime *runtime = substream->runtime;
417 struct snd_soc_pcm_runtime *rtd = substream->private_data; 419 struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -441,7 +443,8 @@ static int fsl_ssi_prepare(struct snd_pcm_substream *substream)
441 * The DMA channel is in external master start and pause mode, which 443 * The DMA channel is in external master start and pause mode, which
442 * means the SSI completely controls the flow of data. 444 * means the SSI completely controls the flow of data.
443 */ 445 */
444static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd) 446static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
447 struct snd_soc_dai *dai)
445{ 448{
446 struct snd_soc_pcm_runtime *rtd = substream->private_data; 449 struct snd_soc_pcm_runtime *rtd = substream->private_data;
447 struct fsl_ssi_private *ssi_private = rtd->dai->cpu_dai->private_data; 450 struct fsl_ssi_private *ssi_private = rtd->dai->cpu_dai->private_data;
@@ -490,7 +493,8 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd)
490 * 493 *
491 * Shutdown the SSI if there are no other substreams open. 494 * Shutdown the SSI if there are no other substreams open.
492 */ 495 */
493static void fsl_ssi_shutdown(struct snd_pcm_substream *substream) 496static void fsl_ssi_shutdown(struct snd_pcm_substream *substream,
497 struct snd_soc_dai *dai)
494{ 498{
495 struct snd_soc_pcm_runtime *rtd = substream->private_data; 499 struct snd_soc_pcm_runtime *rtd = substream->private_data;
496 struct fsl_ssi_private *ssi_private = rtd->dai->cpu_dai->private_data; 500 struct fsl_ssi_private *ssi_private = rtd->dai->cpu_dai->private_data;
@@ -578,8 +582,6 @@ static struct snd_soc_dai fsl_ssi_dai_template = {
578 .prepare = fsl_ssi_prepare, 582 .prepare = fsl_ssi_prepare,
579 .shutdown = fsl_ssi_shutdown, 583 .shutdown = fsl_ssi_shutdown,
580 .trigger = fsl_ssi_trigger, 584 .trigger = fsl_ssi_trigger,
581 },
582 .dai_ops = {
583 .set_sysclk = fsl_ssi_set_sysclk, 585 .set_sysclk = fsl_ssi_set_sysclk,
584 .set_fmt = fsl_ssi_set_fmt, 586 .set_fmt = fsl_ssi_set_fmt,
585 }, 587 },
@@ -671,6 +673,14 @@ struct snd_soc_dai *fsl_ssi_create_dai(struct fsl_ssi_info *ssi_info)
671 fsl_ssi_dai->private_data = ssi_private; 673 fsl_ssi_dai->private_data = ssi_private;
672 fsl_ssi_dai->name = ssi_private->name; 674 fsl_ssi_dai->name = ssi_private->name;
673 fsl_ssi_dai->id = ssi_info->id; 675 fsl_ssi_dai->id = ssi_info->id;
676 fsl_ssi_dai->dev = ssi_info->dev;
677
678 ret = snd_soc_register_dai(fsl_ssi_dai);
679 if (ret != 0) {
680 dev_err(ssi_info->dev, "failed to register DAI: %d\n", ret);
681 kfree(fsl_ssi_dai);
682 return NULL;
683 }
674 684
675 return fsl_ssi_dai; 685 return fsl_ssi_dai;
676} 686}
@@ -688,6 +698,8 @@ void fsl_ssi_destroy_dai(struct snd_soc_dai *fsl_ssi_dai)
688 698
689 device_remove_file(ssi_private->dev, &ssi_private->dev_attr); 699 device_remove_file(ssi_private->dev, &ssi_private->dev_attr);
690 700
701 snd_soc_unregister_dai(&ssi_private->cpu_dai);
702
691 kfree(ssi_private); 703 kfree(ssi_private);
692} 704}
693EXPORT_SYMBOL_GPL(fsl_ssi_destroy_dai); 705EXPORT_SYMBOL_GPL(fsl_ssi_destroy_dai);