Unverified Commit 0e209294 authored by Maso Huang's avatar Maso Huang Committed by Mark Brown
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ASoC: mediatek: mt7986: add sample rate checker 



mt7986 only supports 8/12/16/24/32/48/96/192 kHz

Signed-off-by: default avatarMaso Huang <maso.huang@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231024035019.11732-4-maso.huang@mediatek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0f10adb0

sound/soc/mediatek/mt7986/mt7986-dai-etdm.c

+19 −4
Original line number Diff line number Diff line
@@ -237,12 +237,27 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream, 
				  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);



	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,