diff options
Diffstat (limited to 'sound/soc/meson/aiu-fifo-i2s.c')
| -rw-r--r-- | sound/soc/meson/aiu-fifo-i2s.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/sound/soc/meson/aiu-fifo-i2s.c b/sound/soc/meson/aiu-fifo-i2s.c index 9a5271ce80fe..eccbc16b293a 100644 --- a/sound/soc/meson/aiu-fifo-i2s.c +++ b/sound/soc/meson/aiu-fifo-i2s.c @@ -20,10 +20,12 @@ #define AIU_MEM_I2S_CONTROL_MODE_16BIT BIT(6) #define AIU_MEM_I2S_BUF_CNTL_INIT BIT(0) #define AIU_RST_SOFT_I2S_FAST BIT(0) +#define AIU_I2S_MISC_HOLD_EN BIT(2) +#define AIU_I2S_MISC_FORCE_LEFT_RIGHT BIT(4) #define AIU_FIFO_I2S_BLOCK 256 -static struct snd_pcm_hardware fifo_i2s_pcm = { +static const struct snd_pcm_hardware fifo_i2s_pcm = { .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | @@ -46,7 +48,6 @@ static int aiu_fifo_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; - unsigned int val; switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -54,7 +55,7 @@ static int aiu_fifo_i2s_trigger(struct snd_pcm_substream *substream, int cmd, case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: snd_soc_component_write(component, AIU_RST_SOFT, AIU_RST_SOFT_I2S_FAST); - snd_soc_component_read(component, AIU_I2S_SYNC, &val); + snd_soc_component_read(component, AIU_I2S_SYNC); break; } @@ -87,10 +88,14 @@ static int aiu_fifo_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; - struct aiu_fifo *fifo = dai->playback_dma_data; + struct aiu_fifo *fifo = snd_soc_dai_dma_data_get_playback(dai); unsigned int val; int ret; + snd_soc_component_update_bits(component, AIU_I2S_MISC, + AIU_I2S_MISC_HOLD_EN, + AIU_I2S_MISC_HOLD_EN); + ret = aiu_fifo_hw_params(substream, params, dai); if (ret) return ret; @@ -118,14 +123,29 @@ static int aiu_fifo_i2s_hw_params(struct snd_pcm_substream *substream, snd_soc_component_update_bits(component, AIU_MEM_I2S_MASKS, AIU_MEM_I2S_MASKS_IRQ_BLOCK, val); + /* + * Most (all?) supported SoCs have this bit set by default. The vendor + * driver however sets it manually (depending on the version either + * while un-setting AIU_I2S_MISC_HOLD_EN or right before that). Follow + * the same approach for consistency with the vendor driver. + */ + snd_soc_component_update_bits(component, AIU_I2S_MISC, + AIU_I2S_MISC_FORCE_LEFT_RIGHT, + AIU_I2S_MISC_FORCE_LEFT_RIGHT); + + snd_soc_component_update_bits(component, AIU_I2S_MISC, + AIU_I2S_MISC_HOLD_EN, 0); + return 0; } const struct snd_soc_dai_ops aiu_fifo_i2s_dai_ops = { + .pcm_new = aiu_fifo_pcm_new, + .probe = aiu_fifo_i2s_dai_probe, + .remove = aiu_fifo_dai_remove, .trigger = aiu_fifo_i2s_trigger, .prepare = aiu_fifo_i2s_prepare, .hw_params = aiu_fifo_i2s_hw_params, - .hw_free = aiu_fifo_hw_free, .startup = aiu_fifo_startup, .shutdown = aiu_fifo_shutdown, }; @@ -141,7 +161,7 @@ int aiu_fifo_i2s_dai_probe(struct snd_soc_dai *dai) if (ret) return ret; - fifo = dai->playback_dma_data; + fifo = snd_soc_dai_dma_data_get_playback(dai); fifo->pcm = &fifo_i2s_pcm; fifo->mem_offset = AIU_MEM_I2S_START; |