diff options
| author | Ville Syrjala <syrjala@sci.fi> | 2006-09-04 12:28:51 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:45:53 +0200 |
| commit | 679e28eef835cbd30de78c2f80bf488cba1b7e40 (patch) | |
| tree | 99eccfb2fd4e89bea16d3c7bcf93b4a982fafa50 /sound/pci | |
| parent | bd25b7cae1e763b292f359170e16bccd01c7ee5c (diff) | |
[ALSA] es1968: Fix hw volume
Fix maestro2 hardware volume control. Tested on a Dell Inspiron 7000.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/es1968.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 3c5ab7c2e72d..f3c40385c87d 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -1905,7 +1905,7 @@ static void es1968_update_hw_volume(unsigned long private_data) /* Figure out which volume control button was pushed, based on differences from the default register values. */ - x = inb(chip->io_port + 0x1c); + x = inb(chip->io_port + 0x1c) & 0xee; /* Reset the volume control registers. */ outb(0x88, chip->io_port + 0x1c); outb(0x88, chip->io_port + 0x1d); @@ -1921,7 +1921,8 @@ static void es1968_update_hw_volume(unsigned long private_data) /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */ spin_lock_irqsave(&chip->ac97_lock, flags); val = chip->ac97->regs[AC97_MASTER]; - if (x & 1) { + switch (x) { + case 0x88: /* mute */ val ^= 0x8000; chip->ac97->regs[AC97_MASTER] = val; @@ -1929,26 +1930,31 @@ static void es1968_update_hw_volume(unsigned long private_data) outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX); snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_switch->id); - } else { - val &= 0x7fff; - if (((x>>1) & 7) > 4) { - /* volume up */ - if ((val & 0xff) > 0) - val--; - if ((val & 0xff00) > 0) - val -= 0x0100; - } else { - /* volume down */ - if ((val & 0xff) < 0x1f) - val++; - if ((val & 0xff00) < 0x1f00) - val += 0x0100; - } + break; + case 0xaa: + /* volume up */ + if ((val & 0x7f) > 0) + val--; + if ((val & 0x7f00) > 0) + val -= 0x0100; + chip->ac97->regs[AC97_MASTER] = val; + outw(val, chip->io_port + ESM_AC97_DATA); + outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX); + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->master_volume->id); + break; + case 0x66: + /* volume down */ + if ((val & 0x7f) < 0x1f) + val++; + if ((val & 0x7f00) < 0x1f00) + val += 0x0100; chip->ac97->regs[AC97_MASTER] = val; outw(val, chip->io_port + ESM_AC97_DATA); outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX); snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_volume->id); + break; } spin_unlock_irqrestore(&chip->ac97_lock, flags); } |