Messages in this thread Patch in this message | | | From | Chunxu Li <> | Subject | [PATCH 1/2] ASoC: SOF: mediatek: mt8195: Add pcm_hw_params callback | Date | Sat, 24 Sep 2022 11:35:58 +0800 |
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Add pcm_hw_params callback for mt8195 to support continue update dma host position
Signed-off-by: Chunxu Li <chunxu.li@mediatek.com> --- sound/soc/sof/mediatek/mt8195/mt8195.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index c12192c8a6f8..882fde741cf5 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -496,6 +496,16 @@ static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type) return type; } +static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_sof_platform_stream_params *platform_params) +{ + platform_params->cont_update_posn = 1; + + return 0; +} + static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags) { u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst; @@ -588,6 +598,7 @@ static struct snd_sof_dsp_ops sof_mt8195_ops = { /* stream callbacks */ .pcm_open = sof_stream_pcm_open, + .pcm_hw_params = mt8195_pcm_hw_params, .pcm_close = sof_stream_pcm_close, /* firmware loading */ -- 2.25.1
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