* If this is the first stream open, then grab the IRQ and program most of
* the PSC registers.
*/
-static int psc_i2s_startup(struct snd_pcm_substream *substream)
+static int psc_i2s_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
}
static int psc_i2s_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
return 0;
}
-static int psc_i2s_hw_free(struct snd_pcm_substream *substream)
+static int psc_i2s_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
snd_pcm_set_runtime_buffer(substream, NULL);
return 0;
* This function is called by ALSA to start, stop, pause, and resume the DMA
* transfer of data.
*/
-static int psc_i2s_trigger(struct snd_pcm_substream *substream, int cmd)
+static int psc_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
*
* Shutdown the PSC if there are no other substreams open.
*/
-static void psc_i2s_shutdown(struct snd_pcm_substream *substream)
+static void psc_i2s_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
* psc_i2s_dai_template: template CPU Digital Audio Interface
*/
static struct snd_soc_dai psc_i2s_dai_template = {
- .type = SND_SOC_DAI_I2S,
.playback = {
.channels_min = 2,
.channels_max = 2,
.hw_free = psc_i2s_hw_free,
.shutdown = psc_i2s_shutdown,
.trigger = psc_i2s_trigger,
- },
- .dai_ops = {
.set_sysclk = psc_i2s_set_sysclk,
.set_fmt = psc_i2s_set_fmt,
},
if (rc)
dev_info(psc_i2s->dev, "error creating sysfs files\n");
+ snd_soc_register_platform(&psc_i2s_pcm_soc_platform);
+
/* Tell the ASoC OF helpers about it */
of_snd_soc_register_platform(&psc_i2s_pcm_soc_platform, op->node,
&psc_i2s->dai);
dev_dbg(&op->dev, "psc_i2s_remove()\n");
+ snd_soc_unregister_platform(&psc_i2s_pcm_soc_platform);
+
bcom_gen_bd_rx_release(psc_i2s->capture.bcom_task);
bcom_gen_bd_tx_release(psc_i2s->playback.bcom_task);