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Diffstat (limited to 'sound/pci/maestro3.c')
-rw-r--r--sound/pci/maestro3.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 0a287ce70..e70207bde 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -1928,15 +1928,32 @@ 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);
+ }
}
-static void snd_m3_remote_codec_config(int io, int isremote)
+static void snd_m3_remote_codec_config(struct snd_m3 *chip, int isremote)
{
+ int io = chip->iobase;
+ u16 tmp;
+
isremote = isremote ? 1 : 0;
- outw((inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK) | isremote,
- io + RING_BUS_CTRL_B);
+ tmp = inw(io + RING_BUS_CTRL_B) & ~SECOND_CODEC_ID_MASK;
+ /* enable dock on Dell Latitude C810 */
+ if (chip->pci->subsystem_vendor == 0x1028 &&
+ chip->pci->subsystem_device == 0x00e5)
+ tmp |= M3I_DOCK_ENABLE;
+ outw(tmp | isremote, io + RING_BUS_CTRL_B);
outw((inw(io + SDO_OUT_DEST_CTRL) & ~COMMAND_ADDR_OUT) | isremote,
io + SDO_OUT_DEST_CTRL);
outw((inw(io + SDO_IN_DEST_CTRL) & ~STATUS_ADDR_IN) | isremote,
@@ -1988,7 +2005,7 @@ static void snd_m3_ac97_reset(struct snd_m3 *chip)
if (!chip->irda_workaround)
dir |= 0x10; /* assuming pci bus master? */
- snd_m3_remote_codec_config(io, 0);
+ snd_m3_remote_codec_config(chip, 0);
outw(IO_SRAM_ENABLE, io + RING_BUS_CTRL_A);
udelay(20);