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 --- sound/soc/omap/omap-hdmi-audio.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/sound/soc/omap/omap-hdmi-audio.c b/sound/soc/omap/omap-hdmi-audio.c index aeef25c..584b237 100644 --- a/sound/soc/omap/omap-hdmi-audio.c +++ b/sound/soc/omap/omap-hdmi-audio.c @@ -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; }