linux-kernel - [081/143] ALSA: powermac - Lineout detection on G4 DA

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Date:	Thu, 05 May 2011 17:21:06 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Risto Suominen <Risto.Suominen@...il.com>,
	Takashi Iwai <tiwai@...e.de>
Subject: [081/143] ALSA: powermac - Lineout detection on G4 DA

2.6.32-longterm review patch.  If anyone has any objections, please let us know.

------------------

From: Risto Suominen <Risto.Suominen@...il.com>

commit b6d7335001f331f2d295ff15d67e385615ceff81 upstream.

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

Signed-off-by: Risto Suominen <Risto.Suominen@...il.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 sound/ppc/tumbler.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -1137,7 +1137,8 @@ static long tumbler_find_device(const ch
 		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
  	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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