From 78091edc1c7806846049e1d480f6a8051507ed94 Mon Sep 17 00:00:00 2001 From: Chunxu Li Date: Sat, 17 Sep 2022 10:26:10 +0800 Subject: ASoC: SOF: mediatek: add pcm_hw_params callback for mt8186 add pcm_hw_params callback for mt8186 to support continue update dma host position Signed-off-by: Chunxu Li Link: https://lore.kernel.org/r/20220917022610.594-1-chunxu.li@mediatek.com Signed-off-by: Mark Brown --- sound/soc/sof/mediatek/mt8186/mt8186.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'sound/soc/sof/mediatek') diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c index a1be5d74f40b..9ec89fc7fec0 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -460,6 +460,16 @@ static int mt8186_get_bar_index(struct snd_sof_dev *sdev, u32 type) return type; } +static int mt8186_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 struct snd_soc_dai_driver mt8186_dai[] = { { .name = "SOF_DL1", @@ -526,6 +536,7 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { /* stream callbacks */ .pcm_open = sof_stream_pcm_open, + .pcm_hw_params = mt8186_pcm_hw_params, .pcm_close = sof_stream_pcm_close, /* firmware loading */ -- cgit v1.2.3