diff options
| -rw-r--r-- | sound/pci/maestro3.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index c1c7eeeb199..3690ea05b04 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -2392,6 +2392,18 @@ snd_m3_chip_init(m3_t *chip) DISABLE_LEGACY); pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w); + /* + * Volume buttons on some HP OmniBook laptops (500 and 6000 at least) + * don't work correctly. This makes them work for the most part. + * Volume up and down buttons on the laptop side work perfectly. + * Fn+cursor_up (volme up) works, Fn+cursor_down (volume down) doesn't, + * Fn+F8 (mute) works acts as volume up. + */ + outw(~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_MASK); + outw(inw(io + GPIO_DIRECTION) & ~(GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DIRECTION); + outw((GPI_VOL_DOWN|GPI_VOL_UP), io + GPIO_DATA); + outw(0xffff, io + GPIO_MASK); + pci_read_config_dword(pcidev, PCI_ALLEGRO_CONFIG, &n); n &= ~HV_BUTTON_FROM_GD; n |= HV_CTRL_ENABLE | REDUCED_DEBOUNCE; |