diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/fm801.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index 25c1087d2c00..4c300e6149fc 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 |