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Commit a1068045 authored by Vinod Koul's avatar Vinod Koul Committed by Mark Brown
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ASoC: compress: Fix compress device direction check 



The detection of direction for compress was only taking into account codec
capabilities and not CPU ones. Fix this by checking the CPU side capabilities
as well

Cc: <stable@vger.kernel.org>
Tested-by: default avatarAshish Panwar <ashish.panwar@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8005c49d

sound/soc/soc-compress.c

+20 −3
Original line number Diff line number Diff line
@@ -630,6 +630,7 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 
	struct snd_pcm *be_pcm;

	char new_name[64];

	int ret = 0, direction = 0;

	int playback = 0, capture = 0;



	if (rtd->num_codecs > 1) {

		dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n");
@@ -641,11 +642,27 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) 
			rtd->dai_link->stream_name, codec_dai->name, num);



	if (codec_dai->driver->playback.channels_min)

		playback = 1;

	if (codec_dai->driver->capture.channels_min)

		capture = 1;



	capture = capture && cpu_dai->driver->capture.channels_min;

	playback = playback && cpu_dai->driver->playback.channels_min;



	/*

	 * Compress devices are unidirectional so only one of the directions

	 * should be set, check for that (xor)

	 */

	if (playback + capture != 1) {

		dev_err(rtd->card->dev, "Invalid direction for compress P %d, C %d\n",

				playback, capture);

		return -EINVAL;

	}



	if(playback)

		direction = SND_COMPRESS_PLAYBACK;

	else if (codec_dai->driver->capture.channels_min)

		direction = SND_COMPRESS_CAPTURE;

	else

		return -EINVAL;

		direction = SND_COMPRESS_CAPTURE;



	compr = kzalloc(sizeof(*compr), GFP_KERNEL);

	if (compr == NULL) {