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| author | Takashi Iwai <tiwai@suse.de> | 2019-04-13 11:09:40 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-04-13 11:09:46 +0300 |
| commit | 99fff44fe339b21c6a4ddd6c1239e587dd439cd3 (patch) | |
| tree | 132e59f06c467786f21b9b67a5a031936850b384 /sound/soc/fsl/fsl_asrc.c | |
| parent | 6b580f523172f2c738b661069a57c23c74a75f88 (diff) | |
| parent | 183ab39eb0ea9879bb68422a83e65f750f3192f0 (diff) | |
| download | linux-99fff44fe339b21c6a4ddd6c1239e587dd439cd3.tar.xz | |
Merge branch 'for-linus' into for-next
Back-merge the 5.1 devel branch for the further HD-audio development.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/fsl/fsl_asrc.c')
| -rw-r--r-- | sound/soc/fsl/fsl_asrc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 528e8b108422..0b937924d2e4 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -445,6 +445,19 @@ struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir) } EXPORT_SYMBOL_GPL(fsl_asrc_get_dma_channel); +static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct fsl_asrc *asrc_priv = snd_soc_dai_get_drvdata(dai); + + /* Odd channel number is not valid for older ASRC (channel_bits==3) */ + if (asrc_priv->channel_bits == 3) + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, 2); + + return 0; +} + static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -539,6 +552,7 @@ static int fsl_asrc_dai_trigger(struct snd_pcm_substream *substream, int cmd, } static const struct snd_soc_dai_ops fsl_asrc_dai_ops = { + .startup = fsl_asrc_dai_startup, .hw_params = fsl_asrc_dai_hw_params, .hw_free = fsl_asrc_dai_hw_free, .trigger = fsl_asrc_dai_trigger, |