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ALSA: powermac - Lineout detection on G4 DA
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Lineout (Pro Speaker) detection on PowerMac G4 Digital Audio (Tumbler).

Signed-off-by: Risto Suominen <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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ristosu authored and tiwai committed Apr 4, 2010
1 parent 819ef70 commit b6d7335
Showing 1 changed file with 5 additions and 1 deletion.
6 changes: 5 additions & 1 deletion sound/ppc/tumbler.c
Original file line number Diff line number Diff line change
Expand Up @@ -1137,7 +1137,8 @@ static long tumbler_find_device(const char *device, const char *platform,
gp->inactive_val = (*base) ? 0x4 : 0x5;
} else {
const u32 *prop = NULL;
gp->active_state = IS_G4DA && !strcmp(device, "keywest-gpio15");
gp->active_state = IS_G4DA
&& !strncmp(device, "keywest-gpio1", 13);
gp->active_val = 0x4;
gp->inactive_val = 0x5;
/* Here are some crude hacks to extract the GPIO polarity and
Expand Down Expand Up @@ -1315,6 +1316,9 @@ static int __devinit tumbler_init(struct snd_pmac *chip)
if (irq <= NO_IRQ)
irq = tumbler_find_device("line-output-detect",
NULL, &mix->line_detect, 1);
if (IS_G4DA && irq <= NO_IRQ)
irq = tumbler_find_device("keywest-gpio16",
NULL, &mix->line_detect, 1);
mix->lineout_irq = irq;

tumbler_reset_audio(chip);
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