1 files changed, 10 insertions, 0 deletions

diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 965d5c6f2fa0..17ae92613de4 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -1929,6 +1929,16 @@ snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
                 return;
         snd_m3_outw(chip, val, CODEC_DATA);
         snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
+        /*
+         * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent
+         * until the MASTER volume or mute is touched (alsactl restore does not
+         * work).
+         */
+        if (ac97->id == 0x45838308 && reg == AC97_MASTER) {
+                snd_m3_ac97_wait(chip);
+                snd_m3_outw(chip, val, CODEC_DATA);
+                snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND);
+        }
 }