[ALSA] add number of periods constraint to snd-aoa
The aoa driver is not specifying constraints on number of periods, and, it
seems, it might end with a non-integer number, which it cannot deal with.
Fix by adding a proper constraint.
Signed-off-by: Heikki Lindholm <holindho@cs.helsinki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c b/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c
index c6b42f9..a4b0e1a 100644
--- a/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c
+++ b/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c
@@ -194,6 +194,12 @@
hw->period_bytes_max = 16384;
hw->periods_min = 3;
hw->periods_max = MAX_DBDMA_COMMANDS;
+ err = snd_pcm_hw_constraint_integer(pi->substream->runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (err < 0) {
+ result = err;
+ goto out_unlock;
+ }
list_for_each_entry(cii, &sdev->codec_list, list) {
if (cii->codec->open) {
err = cii->codec->open(cii, pi->substream);