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soundwire: intel: free all resources on hw_free() 

Make sure all calls to the SoundWire stream API are done and involve
callback. Also kfree the stream name.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Rander Wang <rander.wang@linux.intel.com>
Acked-by: Sanyog Kale <sanyog.r.kale@intel.com>
Link: https://lore.kernel.org/r/20200215014740.27580-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
alistair/sensors
Pierre-Louis Bossart 2020-02-14 19:47:40 -06:00 committed by Vinod Koul
parent 5e7484d019
commit eff346f24b
1 changed files with 39 additions and 2 deletions
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41
drivers/soundwire/intel.c
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@ -550,6 +550,25 @@ static int intel_params_stream(struct sdw_intel *sdw,
return -EIO;
}
static int intel_free_stream(struct sdw_intel *sdw,
struct snd_pcm_substream *substream,
struct snd_soc_dai *dai,
int link_id)
{
struct sdw_intel_link_res *res = sdw->link_res;
struct sdw_intel_stream_free_data free_data;
free_data.substream = substream;
free_data.dai = dai;
free_data.link_id = link_id;
if (res->ops && res->ops->free_stream && res->dev)
return res->ops->free_stream(res->dev,
&free_data);
return 0;
}
/*
* bank switch routines
*/
@ -817,6 +836,7 @@ 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;
@ -824,12 +844,29 @@ 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;
}
kfree(dma->stream->name);
sdw_release_stream(dma->stream);
return 0;
}
static void intel_shutdown(struct snd_pcm_substream *substream,