Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-14 08:02:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: rockchip: add format and rate constraints on rk3399

Browse Source 
S8 and S24 formats does not work on this machine driver so force to use
S16_LE instead.

In addition, add constraint to limit the max value of rate because the
rate higher than 96000(172000, 192000) is not stable either.

Signed-off-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Link: https://lore.kernel.org/r/20200630091615.4020059-1-yuhsuan@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yu-Hsuan Hsu 2020-06-30 17:16:15 +08:00 committed by Mark Brown
parent ad922ca199
commit 1eb96c198a
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
sound/soc/rockchip/rk3399_gru_sound.c
View File

@ -219,19 +219,32 @@ static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream,
return 0;
}
static int rockchip_sound_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
8000, 96000);
}
static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_max98357a_hw_params,
};
static const struct snd_soc_ops rockchip_sound_rt5514_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_rt5514_hw_params,
};
static const struct snd_soc_ops rockchip_sound_da7219_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_da7219_hw_params,
};
static const struct snd_soc_ops rockchip_sound_dmic_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_dmic_hw_params,
};