| From | Paul Gortmaker <> | Subject | [34-longterm 134/196] ALSA: powermac - Reverse HP detection on G4 DA | Date | Mon, 12 Mar 2012 20:20:47 -0400 |
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From: Risto Suominen <Risto.Suominen@gmail.com>
------------------- This is a commit scheduled for the next v2.6.34 longterm release. If you see a problem with using this for longterm, please comment. -------------------
commit 819ef70b135ba66cd1659c913255686bf931e3d4 upstream.
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> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> --- sound/ppc/tumbler.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 789f44f..3b7471c 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 -- 1.7.9.3
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