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ALSA: powermac - Lineout detection on G4 DA 

Lineout (Pro Speaker) detection on PowerMac G4 Digital Audio (Tumbler).

Signed-off-by: Risto Suominen <Risto.Suominen@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Risto Suominen 2010-04-04 08:00:00 +03:00 committed by Takashi Iwai
parent 819ef70b13
commit b6d7335001
1 changed files with 5 additions and 1 deletions
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6
sound/ppc/tumbler.c
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@ -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
@ -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);