Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

[pandora-kernel.git] / sound / pci / maestro3.c

diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index b258297..0037be7 100644 (file)
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -2269,6 +2269,29 @@ 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)
 {
@@ -2284,21 +2307,6 @@ 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;
@@ -2482,6 +2490,8 @@ 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;
 }
@@ -2611,6 +2621,8 @@ 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,