[PATCH] wss_lib: Fix resume on Yamaha OPL3-SAx

From: Ondrej Zary
Date: Mon Jul 16 2012 - 02:30:40 EST


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@xxxxxxxxxxxxxxxxxxxx>

--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -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);

--
Ondrej Zary
--
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