From: Chunxu Li <chunxu.li@mediatek.com>
To: <broonie@kernel.org>, <pierre-louis.bossart@linux.intel.com>,
<peter.ujfalusi@linux.intel.com>, <lgirdwood@gmail.com>,
<angelogioacchino.delregno@collabora.com>,
<daniel.baluta@nxp.com>
Cc: <matthias.bgg@gmail.com>, <yc.hung@mediatek.com>,
<linux-kernel@vger.kernel.org>, <alsa-devel@alsa-project.org>,
<sound-open-firmware@alsa-project.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<project_global_chrome_upstream_group@mediatek.com>,
Chunxu Li <chunxu.li@mediatek.com>
Subject: [PATCH] ASoC: SOF: mediatek: add pcm_hw_params callback for mt8186
Date: Sat, 17 Sep 2022 10:26:10 +0800 [thread overview]
Message-ID: <20220917022610.594-1-chunxu.li@mediatek.com> (raw)
add pcm_hw_params callback for mt8186 to support continue
update dma host position
Signed-off-by: Chunxu Li <chunxu.li@mediatek.com>
---
sound/soc/sof/mediatek/mt8186/mt8186.c | 11 +++++++++++
1 file changed, 11 insertions(+)
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 */
--
2.25.1
next reply other threads:[~2022-09-17 2:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-17 2:26 Chunxu Li [this message]
2022-09-20 20:46 ` Mark Brown
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