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authorPaul Vojta <vojta@math.berkeley.edu>2007-07-27 14:20:38 +0400
committerJaroslav Kysela <perex@perex.cz>2007-10-16 17:58:08 +0400
commite2340465ec9587362a057524d3e2163377366771 (patch)
tree7ee0a06078c7966365b07202cbbd6607cedb61d6 /sound/isa/cs423x
parent01ade528d424420093973ede20d7394d2cd81190 (diff)
downloadlinux-e2340465ec9587362a057524d3e2163377366771.tar.xz
[ALSA] Fix bugs in mode change/recalibration for opl3sa2 driver
The mode change / recalibration doesn't work always with opl3sa2 devices, e.g. the first time it's played back. The patch fixes the problem. Signed-off-by: Paul Vojta <vojta@math.berkeley.edu> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/isa/cs423x')
-rw-r--r--sound/isa/cs423x/cs4231_lib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 914d77b61b0c..642bdaa703be 100644
--- a/sound/isa/cs423x/cs4231_lib.c
+++ b/sound/isa/cs423x/cs4231_lib.c
@@ -555,6 +555,8 @@ static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT] = pdfr);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
+ if (chip->hardware == CS4231_HW_OPL3SA2)
+ udelay(100); /* this seems to help */
snd_cs4231_mce_down(chip);
}
snd_cs4231_calibrate_mute(chip, 0);