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ALSA: wss_lib: Fix resume on Yamaha OPL3-SAx 

Yamaha OPL3-SAx chips don't resume properly when playback is running -
garbage is played after resume. Restoring the CS4231_PLAYBK_FORMAT register
last fixes the problem.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ondrej Zary 2012-07-16 08:30:18 +02:00 committed by Takashi Iwai
parent ca3273fb59
commit b4e2a16f99
1 changed files with 4 additions and 0 deletions
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4
sound/isa/wss/wss_lib.c
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@ -1656,6 +1656,10 @@ static void snd_wss_resume(struct snd_wss *chip)
break;
}
}
/* Yamaha needs this to resume properly */
if (chip->hardware == WSS_HW_OPL3SA2)
snd_wss_out(chip, CS4231_PLAYBK_FORMAT,
chip->image[CS4231_PLAYBK_FORMAT]);
spin_unlock_irqrestore(&chip->reg_lock, flags);
#if 1
snd_wss_mce_down(chip);