diff options
Diffstat (limited to 'sound/soc/apple/mca.c')
| -rw-r--r-- | sound/soc/apple/mca.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/sound/soc/apple/mca.c b/sound/soc/apple/mca.c index 3780aca71076..5dd24ab90d0f 100644 --- a/sound/soc/apple/mca.c +++ b/sound/soc/apple/mca.c @@ -464,6 +464,28 @@ err: return -EINVAL; } +static int mca_fe_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mca_cluster *cl = mca_dai_to_cluster(dai); + unsigned int mask, nchannels; + + if (cl->tdm_slots) { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + mask = cl->tdm_tx_mask; + else + mask = cl->tdm_rx_mask; + + nchannels = hweight32(mask); + } else { + nchannels = 2; + } + + return snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_CHANNELS, + 1, nchannels); +} + static int mca_fe_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { @@ -616,7 +638,7 @@ static int mca_fe_hw_params(struct snd_pcm_substream *substream, tdm_slot_width = 32; if (tdm_slot_width < params_width(params)) { - dev_err(dev, "TDM slots too narrow (tdm=%d params=%d)\n", + dev_err(dev, "TDM slots too narrow (tdm=%u params=%d)\n", tdm_slot_width, params_width(params)); return -EINVAL; } @@ -680,6 +702,7 @@ static int mca_fe_hw_params(struct snd_pcm_substream *substream, } static const struct snd_soc_dai_ops mca_fe_ops = { + .startup = mca_fe_startup, .set_fmt = mca_fe_set_fmt, .set_bclk_ratio = mca_set_bclk_ratio, .set_tdm_slot = mca_fe_set_tdm_slot, @@ -1179,7 +1202,7 @@ static struct platform_driver apple_mca_driver = { .of_match_table = apple_mca_of_match, }, .probe = apple_mca_probe, - .remove_new = apple_mca_remove, + .remove = apple_mca_remove, }; module_platform_driver(apple_mca_driver); |