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-rw-r--r--sound/pci/maestro3.c42
1 files changed, 27 insertions, 15 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index a536c59..f4788de 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -2427,6 +2427,29 @@ snd_m3_amp_enable(struct snd_m3 *chip, int enable)
outw(0xffff, io + GPIO_MASK);
}
+static void
+snd_m3_hv_init(struct snd_m3 *chip)
+{
+ unsigned long io = chip->iobase;
+ u16 val = GPI_VOL_DOWN | GPI_VOL_UP;
+
+ if (!chip->is_omnibook)
+ return;
+
+ /*
+ * Volume buttons on some HP OmniBook laptops
+ * require some GPIO magic to work correctly.
+ */
+ outw(0xffff, io + GPIO_MASK);
+ outw(0x0000, io + GPIO_DATA);
+
+ outw(~val, io + GPIO_MASK);
+ outw(inw(io + GPIO_DIRECTION) & ~val, io + GPIO_DIRECTION);
+ outw(val, io + GPIO_MASK);
+
+ outw(0xffff, io + GPIO_MASK);
+}
+
static int
snd_m3_chip_init(struct snd_m3 *chip)
{
@@ -2442,21 +2465,6 @@ snd_m3_chip_init(struct snd_m3 *chip)
DISABLE_LEGACY);
pci_write_config_word(pcidev, PCI_LEGACY_AUDIO_CTRL, w);
- if (chip->is_omnibook) {
- /*
- * Volume buttons on some HP OmniBook laptops don't work
- * correctly. This makes them work for the most part.
- *
- * Volume up and down buttons on the laptop side work.
- * Fn+cursor_up (volme up) works.
- * Fn+cursor_down (volume down) doesn't work.
- * Fn+F7 (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_CTRL_ENABLE | REDUCED_DEBOUNCE | HV_BUTTON_FROM_GD);
n |= chip->hv_config;
@@ -2642,6 +2650,8 @@ static int m3_resume(struct pci_dev *pci)
snd_m3_enable_ints(chip);
snd_m3_amp_enable(chip, 1);
+ snd_m3_hv_init(chip);
+
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
@@ -2781,6 +2791,8 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
snd_m3_amp_enable(chip, 1);
+ snd_m3_hv_init(chip);
+
tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);
if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
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