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authorRisto Suominen <Risto.Suominen@gmail.com>2010-04-04 07:59:30 +0300
committerTakashi Iwai <tiwai@suse.de>2010-04-04 12:25:02 +0200
commit819ef70b135ba66cd1659c913255686bf931e3d4 (patch)
treec3bdfba03cf0369b347b335d479a58e06fc98d9a /sound/ppc
parentec2755a93d5df044cb52558d2c778780272e0980 (diff)
downloadlinux-819ef70b135ba66cd1659c913255686bf931e3d4.tar.gz
ALSA: powermac - Reverse HP detection on G4 DA
Reverse headphone detection bit on PowerMac G4 Digital Audio (Tumbler). Signed-off-by: Risto Suominen <Risto.Suominen@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/ppc')
-rw-r--r--sound/ppc/tumbler.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 789f44f4ac7..3b7471c344b 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -30,6 +30,7 @@
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
+#include <linux/string.h>
#include <sound/core.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -46,6 +47,8 @@
#define DBG(fmt...)
#endif
+#define IS_G4DA (machine_is_compatible("PowerMac3,4"))
+
/* i2c address for tumbler */
#define TAS_I2C_ADDR 0x34
@@ -1134,7 +1137,7 @@ 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 = 0;
+ gp->active_state = IS_G4DA && !strcmp(device, "keywest-gpio15");
gp->active_val = 0x4;
gp->inactive_val = 0x5;
/* Here are some crude hacks to extract the GPIO polarity and