diff mbox series

[15/19] soundwire: amd: add startup and shutdown dai ops

Message ID 20230111090222.2016499-16-Vijendar.Mukunda@amd.com (mailing list archive)
State New, archived
Headers show
Series Add soundwire support for Pink Sardine platform | expand

Commit Message

Vijendar Mukunda Jan. 11, 2023, 9:02 a.m. UTC 
Add start up and shutdown dai ops for AMD Master driver.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
 drivers/soundwire/amd_master.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

Comments

Pierre-Louis Bossart Jan. 11, 2023, 3:49 p.m. UTC | #1 
On 1/11/23 03:02, Vijendar Mukunda wrote:
> Add start up and shutdown dai ops for AMD Master driver.

I don't think those startup and shutdown ops are necessary, we removed
them for Intel, see "soundwire: intel: remove DAI startup/shutdown"
Vijendar Mukunda Jan. 12, 2023, 10:22 a.m. UTC | #2 
On 11/01/23 21:19, Pierre-Louis Bossart wrote:
>
> On 1/11/23 03:02, Vijendar Mukunda wrote:
>> Add start up and shutdown dai ops for AMD Master driver.
> I don't think those startup and shutdown ops are necessary, we removed
> them for Intel, see "soundwire: intel: remove DAI startup/shutdown"
will drop this patch.
diff mbox series

Patch

diff --git a/drivers/soundwire/amd_master.c b/drivers/soundwire/amd_master.c
index d2d7f07de202..290c59ab7760 100644
--- a/drivers/soundwire/amd_master.c
+++ b/drivers/soundwire/amd_master.c
@@ -1117,6 +1117,15 @@  static int amd_set_sdw_stream(struct snd_soc_dai *dai, void *stream, int directi
 	return 0;
 }
 
+static void amd_sdwc_shutdown(struct snd_pcm_substream *substream,
+			      struct snd_soc_dai *dai)
+{
+	struct amd_sdwc_ctrl *ctrl = snd_soc_dai_get_drvdata(dai);
+
+	pm_runtime_mark_last_busy(ctrl->dev);
+	pm_runtime_put_autosuspend(ctrl->dev);
+}
+
 static int amd_pcm_set_sdw_stream(struct snd_soc_dai *dai, void *stream, int direction)
 {
 	return amd_set_sdw_stream(dai, stream, direction);
@@ -1137,9 +1146,27 @@  static void *amd_get_sdw_stream(struct snd_soc_dai *dai, int direction)
 	return dma->stream;
 }
 
+static int amd_sdwc_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
+{
+	struct amd_sdwc_ctrl *ctrl = snd_soc_dai_get_drvdata(dai);
+	int ret;
+
+	ret = pm_runtime_get_sync(ctrl->dev);
+	if (ret < 0 && ret != -EACCES) {
+		dev_err_ratelimited(ctrl->dev,
+				    "pm_runtime_get_sync failed in %s, ret %d\n",
+				     __func__, ret);
+		pm_runtime_put_noidle(ctrl->dev);
+		return ret;
+	}
+	return 0;
+}
+
 static const struct snd_soc_dai_ops amd_sdwc_dai_ops = {
 	.hw_params = amd_sdwc_hw_params,
 	.hw_free = amd_sdwc_hw_free,
+	.startup = amd_sdwc_startup,
+	.shutdown = amd_sdwc_shutdown,
 	.set_stream = amd_pcm_set_sdw_stream,
 	.get_stream = amd_get_sdw_stream,
 };