[ALSA] Fix bugs in mode change/recalibration for opl3sa2 driver

[pandora-kernel.git] / sound / isa / cs423x / cs4231_lib.c

diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 914d77b..642bdaa 100644 (file)
--- 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);