diff --git a/sound/ppc/Kconfig b/sound/ppc/Kconfig
index 777de2b..bd2338a 100644
--- a/sound/ppc/Kconfig
+++ b/sound/ppc/Kconfig
@@ -13,6 +13,7 @@
 	tristate "PowerMac (AWACS, DACA, Burgundy, Tumbler, Keywest)"
 	depends on I2C && INPUT && PPC_PMAC
 	select SND_PCM
+	select SND_VMASTER
 	help
 	  Say Y here to include support for the integrated sound device.
 
diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c
index 7bd33e6..80df9b1 100644
--- a/sound/ppc/awacs.c
+++ b/sound/ppc/awacs.c
@@ -608,9 +608,12 @@
 	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_LINE, 0),
 };
 
-static struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] __initdata = {
+static struct snd_kcontrol_new snd_pmac_screamer_mixers_lo[] __initdata = {
 	AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
-	AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
+};
+
+static struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] __initdata = {
+	AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
 	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 };
 
@@ -627,6 +630,10 @@
 	AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 };
 
+static struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac5500[] __initdata = {
+	AWACS_VOLUME("Headphone Playback Volume", 2, 6, 1),
+};
+
 static struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac[] __initdata = {
 	AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
@@ -645,12 +652,19 @@
 	AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
 };
 
+static struct snd_kcontrol_new snd_pmac_awacs_mixers2_pmac5500[] __initdata = {
+	AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
+};
+
 static struct snd_kcontrol_new snd_pmac_awacs_master_sw __initdata =
 AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
 
 static struct snd_kcontrol_new snd_pmac_awacs_master_sw_imac __initdata =
 AWACS_SWITCH("Line out Playback Switch", 1, SHIFT_HDMUTE, 1);
 
+static struct snd_kcontrol_new snd_pmac_awacs_master_sw_pmac5500 __initdata =
+AWACS_SWITCH("Headphone Playback Switch", 1, SHIFT_HDMUTE, 1);
+
 static struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] __initdata = {
 	AWACS_SWITCH("Mic Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 };
@@ -766,12 +780,16 @@
 }
 #endif /* CONFIG_PM */
 
-#define IS_PM7500 (machine_is_compatible("AAPL,7500"))
+#define IS_PM7500 (machine_is_compatible("AAPL,7500") \
+		|| machine_is_compatible("AAPL,8500") \
+		|| machine_is_compatible("AAPL,9500"))
+#define IS_PM5500 (machine_is_compatible("AAPL,e411"))
 #define IS_BEIGE (machine_is_compatible("AAPL,Gossamer"))
 #define IS_IMAC1 (machine_is_compatible("PowerMac2,1"))
 #define IS_IMAC2 (machine_is_compatible("PowerMac2,2") \
 		|| machine_is_compatible("PowerMac4,1"))
 #define IS_G4AGP (machine_is_compatible("PowerMac3,1"))
+#define IS_LOMBARD (machine_is_compatible("PowerBook1,1"))
 
 static int imac1, imac2;
 
@@ -858,10 +876,14 @@
 snd_pmac_awacs_init(struct snd_pmac *chip)
 {
 	int pm7500 = IS_PM7500;
+	int pm5500 = IS_PM5500;
 	int beige = IS_BEIGE;
 	int g4agp = IS_G4AGP;
+	int lombard = IS_LOMBARD;
 	int imac;
 	int err, vol;
+	struct snd_kcontrol *vmaster_sw, *vmaster_vol;
+	struct snd_kcontrol *master_vol, *speaker_vol;
 
 	imac1 = IS_IMAC1;
 	imac2 = IS_IMAC2;
@@ -915,7 +937,7 @@
 		/* set headphone-jack detection bit */
 		switch (chip->model) {
 		case PMAC_AWACS:
-			chip->hp_stat_mask = pm7500 ? MASK_HDPCONN
+			chip->hp_stat_mask = pm7500 || pm5500 ? MASK_HDPCONN
 				: MASK_LOCONN;
 			break;
 		case PMAC_SCREAMER:
@@ -954,7 +976,7 @@
 		return err;
 	if (beige || g4agp)
 		;
-	else if (chip->model == PMAC_SCREAMER)
+	else if (chip->model == PMAC_SCREAMER || pm5500)
 		err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
 				   snd_pmac_screamer_mixers2);
 	else if (!pm7500)
@@ -962,19 +984,35 @@
 				   snd_pmac_awacs_mixers2);
 	if (err < 0)
 		return err;
+	if (pm5500) {
+		err = build_mixers(chip,
+				   ARRAY_SIZE(snd_pmac_awacs_mixers2_pmac5500),
+				   snd_pmac_awacs_mixers2_pmac5500);
+		if (err < 0)
+			return err;
+	}
 	if (pm7500)
 		err = build_mixers(chip,
 				   ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),
 				   snd_pmac_awacs_mixers_pmac7500);
+	else if (pm5500)
+		err = snd_ctl_add(chip->card,
+		    (master_vol = snd_ctl_new1(snd_pmac_awacs_mixers_pmac5500,
+						chip)));
 	else if (beige)
 		err = build_mixers(chip,
 				   ARRAY_SIZE(snd_pmac_screamer_mixers_beige),
 				   snd_pmac_screamer_mixers_beige);
-	else if (imac)
+	else if (imac || lombard) {
+		err = snd_ctl_add(chip->card,
+		    (master_vol = snd_ctl_new1(snd_pmac_screamer_mixers_lo,
+						chip)));
+		if (err < 0)
+			return err;
 		err = build_mixers(chip,
 				   ARRAY_SIZE(snd_pmac_screamer_mixers_imac),
 				   snd_pmac_screamer_mixers_imac);
-	else if (g4agp)
+	} else if (g4agp)
 		err = build_mixers(chip,
 				   ARRAY_SIZE(snd_pmac_screamer_mixers_g4agp),
 				   snd_pmac_screamer_mixers_g4agp);
@@ -984,8 +1022,10 @@
 				   snd_pmac_awacs_mixers_pmac);
 	if (err < 0)
 		return err;
-	chip->master_sw_ctl = snd_ctl_new1((pm7500 || imac || g4agp)
+	chip->master_sw_ctl = snd_ctl_new1((pm7500 || imac || g4agp || lombard)
 			? &snd_pmac_awacs_master_sw_imac
+			: pm5500
+			? &snd_pmac_awacs_master_sw_pmac5500
 			: &snd_pmac_awacs_master_sw, chip);
 	err = snd_ctl_add(chip->card, chip->master_sw_ctl);
 	if (err < 0)
@@ -1017,8 +1057,9 @@
 #endif /* PMAC_AMP_AVAIL */
 	{
 		/* route A = headphone, route C = speaker */
-		err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_speaker_vol),
-					snd_pmac_awacs_speaker_vol);
+		err = snd_ctl_add(chip->card,
+		    (speaker_vol = snd_ctl_new1(snd_pmac_awacs_speaker_vol,
+						chip)));
 		if (err < 0)
 			return err;
 		chip->speaker_sw_ctl = snd_ctl_new1(imac1
@@ -1031,6 +1072,33 @@
 			return err;
 	}
 
+	if (pm5500 || imac || lombard) {
+		vmaster_sw = snd_ctl_make_virtual_master(
+			"Master Playback Switch", (unsigned int *) NULL);
+		err = snd_ctl_add_slave_uncached(vmaster_sw,
+						 chip->master_sw_ctl);
+		if (err < 0)
+			return err;
+		err = snd_ctl_add_slave_uncached(vmaster_sw,
+						  chip->speaker_sw_ctl);
+		if (err < 0)
+			return err;
+		err = snd_ctl_add(chip->card, vmaster_sw);
+		if (err < 0)
+			return err;
+		vmaster_vol = snd_ctl_make_virtual_master(
+			"Master Playback Volume", (unsigned int *) NULL);
+		err = snd_ctl_add_slave(vmaster_vol, master_vol);
+		if (err < 0)
+			return err;
+		err = snd_ctl_add_slave(vmaster_vol, speaker_vol);
+		if (err < 0)
+			return err;
+		err = snd_ctl_add(chip->card, vmaster_vol);
+		if (err < 0)
+			return err;
+	}
+
 	if (beige || g4agp)
 		err = build_mixers(chip,
 				ARRAY_SIZE(snd_pmac_screamer_mic_boost_beige),
diff --git a/sound/ppc/burgundy.c b/sound/ppc/burgundy.c
index f860d39..45a7629 100644
--- a/sound/ppc/burgundy.c
+++ b/sound/ppc/burgundy.c
@@ -35,7 +35,7 @@
 	int timeout = 50;
 	while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
 		udelay(1);
-	if (! timeout)
+	if (timeout < 0)
 		printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
 }
 
diff --git a/sound/ppc/daca.c b/sound/ppc/daca.c
index 8a5b290..f8d478c 100644
--- a/sound/ppc/daca.c
+++ b/sound/ppc/daca.c
@@ -82,7 +82,7 @@
 	data[1] |= mix->deemphasis ? 0x40 : 0;
 	if (i2c_smbus_write_block_data(mix->i2c.client, DACA_REG_AVOL,
 				       2, data) < 0) {
-		snd_printk("failed to set volume \n");
+		snd_printk(KERN_ERR "failed to set volume \n");
 		return -EINVAL;
 	}
 	return 0;
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index af76ee8..9b4e9c3 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -299,7 +299,7 @@
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 		spin_lock(&chip->reg_lock);
 		rec->running = 0;
-		/*printk("stopped!!\n");*/
+		/*printk(KERN_DEBUG "stopped!!\n");*/
 		snd_pmac_dma_stop(rec);
 		for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++)
 			out_le16(&cp->command, DBDMA_STOP);
@@ -334,7 +334,7 @@
 	}
 #endif
 	count += rec->cur_period * rec->period_size;
-	/*printk("pointer=%d\n", count);*/
+	/*printk(KERN_DEBUG "pointer=%d\n", count);*/
 	return bytes_to_frames(subs->runtime, count);
 }
 
@@ -486,7 +486,7 @@
 			if (! (stat & ACTIVE))
 				break;
 
-			/*printk("update frag %d\n", rec->cur_period);*/
+			/*printk(KERN_DEBUG "update frag %d\n", rec->cur_period);*/
 			st_le16(&cp->xfer_status, 0);
 			st_le16(&cp->req_count, rec->period_size);
 			/*st_le16(&cp->res_count, 0);*/
@@ -806,7 +806,7 @@
 	struct snd_pmac *chip = devid;
 	int ctrl = in_le32(&chip->awacs->control);
 
-	/*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/
+	/*printk(KERN_DEBUG "pmac: control interrupt.. 0x%x\n", ctrl);*/
 	if (ctrl & MASK_PORTCHG) {
 		/* do something when headphone is plugged/unplugged? */
 		if (chip->update_automute)
@@ -1033,7 +1033,8 @@
 	}
 	if (of_device_is_compatible(sound, "tumbler")) {
 		chip->model = PMAC_TUMBLER;
-		chip->can_capture = machine_is_compatible("PowerMac4,2");
+		chip->can_capture = machine_is_compatible("PowerMac4,2")
+				|| machine_is_compatible("PowerBook4,1");
 		chip->can_duplex = 0;
 		// chip->can_byte_swap = 0; /* FIXME: check this */
 		chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c
index 2e18ed0..5a92906 100644
--- a/sound/ppc/powermac.c
+++ b/sound/ppc/powermac.c
@@ -110,7 +110,7 @@
 			goto __error;
 		break;
 	default:
-		snd_printk("unsupported hardware %d\n", chip->model);
+		snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
 		err = -EINVAL;
 		goto __error;
 	}
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 3eb2233..40222fc 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -41,7 +41,7 @@
 #undef DEBUG
 
 #ifdef DEBUG
-#define DBG(fmt...) printk(fmt)
+#define DBG(fmt...) printk(KERN_DEBUG fmt)
 #else
 #define DBG(fmt...)
 #endif
@@ -240,7 +240,7 @@
   
 	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
 					   block) < 0) {
-		snd_printk("failed to set volume \n");
+		snd_printk(KERN_ERR "failed to set volume \n");
 		return -EINVAL;
 	}
 	return 0;
@@ -350,7 +350,7 @@
 
 	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 					   2, val) < 0) {
-		snd_printk("failed to set DRC\n");
+		snd_printk(KERN_ERR "failed to set DRC\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -386,7 +386,7 @@
 
 	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 					   6, val) < 0) {
-		snd_printk("failed to set DRC\n");
+		snd_printk(KERN_ERR "failed to set DRC\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -506,7 +506,8 @@
 		block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
 					   info->bytes, block) < 0) {
-		snd_printk("failed to set mono volume %d\n", info->index);
+		snd_printk(KERN_ERR "failed to set mono volume %d\n",
+			   info->index);
 		return -EINVAL;
 	}
 	return 0;
@@ -643,7 +644,7 @@
 	}
 	if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 					   9, block) < 0) {
-		snd_printk("failed to set mono volume %d\n", reg);
+		snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
 		return -EINVAL;
 	}
 	return 0;