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ASoC: omap-hdmi-audio: Set buffer bytes step constraint to 128

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Set buffer bytes step constraint to 128. A matching constraint has
already been set to period size. This helps PCM setup to tolerate ALSA
clients that set the PCM hw params in unusual order.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jyri Sarha 2015-08-26 16:11:40 +03:00 committed by Mark Brown
parent 5aec892a6e
commit 7d40acc38b
1 changed files with 9 additions and 1 deletions
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10
sound/soc/omap/omap-hdmi-audio.c
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@ -81,7 +81,15 @@ static int hdmi_dai_startup(struct snd_pcm_substream *substream,
ret = snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 128);
if (ret < 0) {
dev_err(dai->dev, "could not apply constraint\n");
dev_err(dai->dev, "Could not apply period constraint: %d\n",
ret);
return ret;
}
ret = snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 128);
if (ret < 0) {
dev_err(dai->dev, "Could not apply buffer constraint: %d\n",
ret);
return ret;
}