| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 |
- From 4e229f4264f4be7a6a554487714c0913ef59cf7f Mon Sep 17 00:00:00 2001
- From: Maso Huang <[email protected]>
- Date: Tue, 24 Oct 2023 11:50:19 +0800
- Subject: [PATCH 9/9] ASoC: mediatek: mt7986: add sample rate checker
- mt7986 only supports 8/12/16/24/32/48/96/192 kHz
- Signed-off-by: Maso Huang <[email protected]>
- Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
- Link: https://lore.kernel.org/r/[email protected]
- Signed-off-by: Mark Brown <[email protected]>
- ---
- sound/soc/mediatek/mt7986/mt7986-dai-etdm.c | 23 +++++++++++++++++----
- 1 file changed, 19 insertions(+), 4 deletions(-)
- --- a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
- +++ b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
- @@ -237,12 +237,27 @@ static int mtk_dai_etdm_hw_params(struct
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
- {
- + unsigned int rate = params_rate(params);
- struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
-
- - mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
- - mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
- -
- - return 0;
- + switch (rate) {
- + case 8000:
- + case 12000:
- + case 16000:
- + case 24000:
- + case 32000:
- + case 48000:
- + case 96000:
- + case 192000:
- + mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
- + mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
- + return 0;
- + default:
- + dev_err(afe->dev,
- + "Sample rate %d invalid. Supported rates: 8/12/16/24/32/48/96/192 kHz\n",
- + rate);
- + return -EINVAL;
- + }
- }
-
- static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd,
|
