lkml.org 
[lkml]   [2019]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 11/11] soundwire: intel: free all resources on hw_free()
Date
From: Rander Wang <rander.wang@linux.intel.com>

Make sure all calls to the SoundWire stream API are done and involve
callback

Signed-off-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
drivers/soundwire/intel.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 336203303480..60bc5f33afbf 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -879,6 +879,7 @@ static int
intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
+ struct sdw_intel *sdw = cdns_to_intel(cdns);
struct sdw_cdns_dma_data *dma;
int ret;

@@ -886,12 +887,28 @@ intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
if (!dma)
return -EIO;

+ ret = sdw_deprepare_stream(dma->stream);
+ if (ret) {
+ dev_err(dai->dev, "sdw_deprepare_stream: failed %d", ret);
+ return ret;
+ }
+
ret = sdw_stream_remove_master(&cdns->bus, dma->stream);
- if (ret < 0)
+ if (ret < 0) {
dev_err(dai->dev, "remove master from stream %s failed: %d\n",
dma->stream->name, ret);
+ return ret;
+ }

- return ret;
+ ret = intel_free_stream(sdw, substream, dai, sdw->instance);
+ if (ret < 0) {
+ dev_err(dai->dev, "intel_free_stream: failed %d", ret);
+ return ret;
+ }
+
+ sdw_release_stream(dma->stream);
+
+ return 0;
}

static void intel_shutdown(struct snd_pcm_substream *substream,
--
2.20.1
\
 
 \ /
  Last update: 2019-08-21 22:06    [W:0.071 / U:1.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site