1 files changed, 11 insertions, 1 deletions

diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 789f44f4ac78..20afdf9772ee 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 (of_machine_is_compatible("PowerMac3,4"))
+
 /* i2c address for tumbler */
 #define TAS_I2C_ADDR    0x34
 
@@ -243,6 +246,7 @@ static int tumbler_set_master_volume(struct pmac_tumbler *mix)
                 snd_printk(KERN_ERR "failed to set volume \n");
                 return -EINVAL;
         }
+        DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
         return 0;
 }
 
@@ -353,6 +357,7 @@ static int tumbler_set_drc(struct pmac_tumbler *mix)
                 snd_printk(KERN_ERR "failed to set DRC\n");
                 return -EINVAL;
         }
+        DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
         return 0;
 }
 
@@ -389,6 +394,7 @@ static int snapper_set_drc(struct pmac_tumbler *mix)
                 snd_printk(KERN_ERR "failed to set DRC\n");
                 return -EINVAL;
         }
+        DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
         return 0;
 }
 
@@ -1134,7 +1140,8 @@ 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 = 0;
+                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
@@ -1312,6 +1319,9 @@ 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);