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Diffstat (limited to 'sound/pci/fm801.c')
-rw-r--r--sound/pci/fm801.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index 25c1087d2c0..4c300e6149f 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -978,6 +978,27 @@ static unsigned int snd_fm801_tea575x_64pcr_read(struct snd_tea575x *tea)
return val;
}
+static void snd_fm801_tea575x_64pcr_mute(struct snd_tea575x *tea,
+ unsigned int mute)
+{
+ struct fm801 *chip = tea->private_data;
+ unsigned short reg;
+
+ spin_lock_irq(&chip->reg_lock);
+
+ reg = inw(FM801_REG(chip, GPIO_CTRL));
+ if (mute)
+ /* 0xf800 (mute) */
+ reg &= ~FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
+ else
+ /* 0xf802 (unmute) */
+ reg |= FM801_GPIO_GP(TEA_64PCR_WRITE_ENABLE);
+ outw(reg, FM801_REG(chip, GPIO_CTRL));
+ udelay(1);
+
+ spin_unlock_irq(&chip->reg_lock);
+}
+
static struct snd_tea575x_ops snd_fm801_tea_ops[3] = {
{
/* 1 = MediaForte 256-PCS */
@@ -993,6 +1014,7 @@ static struct snd_tea575x_ops snd_fm801_tea_ops[3] = {
/* 3 = MediaForte 64-PCR */
.write = snd_fm801_tea575x_64pcr_write,
.read = snd_fm801_tea575x_64pcr_read,
+ .mute = snd_fm801_tea575x_64pcr_mute,
}
};
#endif