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>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index 00ca9fc4de0..360b08b03e1 100644
--- 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);