[alsa-devel] [PATCH] 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

--- 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);