forked from Openwrt/openwrt
95d3d353f8
Copy patches from patches-6.1 to patches-6.6. No changes. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
From 4e229f4264f4be7a6a554487714c0913ef59cf7f Mon Sep 17 00:00:00 2001
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From: Maso Huang <maso.huang@mediatek.com>
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Date: Tue, 24 Oct 2023 11:50:19 +0800
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Subject: [PATCH 9/9] ASoC: mediatek: mt7986: add sample rate checker
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mt7986 only supports 8/12/16/24/32/48/96/192 kHz
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Signed-off-by: Maso Huang <maso.huang@mediatek.com>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Link: https://lore.kernel.org/r/20231024035019.11732-4-maso.huang@mediatek.com
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Signed-off-by: Mark Brown <broonie@kernel.org>
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---
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sound/soc/mediatek/mt7986/mt7986-dai-etdm.c | 23 +++++++++++++++++----
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1 file changed, 19 insertions(+), 4 deletions(-)
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--- a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
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+++ b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
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@@ -237,12 +237,27 @@ static int mtk_dai_etdm_hw_params(struct
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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+ unsigned int rate = params_rate(params);
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struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
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- mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
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- mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
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-
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- return 0;
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+ switch (rate) {
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+ case 8000:
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+ case 12000:
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+ case 16000:
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+ case 24000:
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+ case 32000:
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+ case 48000:
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+ case 96000:
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+ case 192000:
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+ mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
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+ mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
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+ return 0;
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+ default:
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+ dev_err(afe->dev,
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+ "Sample rate %d invalid. Supported rates: 8/12/16/24/32/48/96/192 kHz\n",
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+ rate);
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+ return -EINVAL;
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+ }
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}
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static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd,
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