Merge branch 'master'

6 files changed, 101 insertions, 56 deletions

diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 3020ca2..278319b 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -28,6 +28,7 @@
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/moduleparam.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/ac97_codec.h>
@@ -149,7 +150,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 { 0x49544561, 0xffffffff, "IT2646E",		patch_it2646,	NULL },
 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48",	NULL,		NULL }, // only guess --jk
 { 0x4e534331, 0xffffffff, "LM4549",		NULL,		NULL },
-{ 0x4e534350, 0xffffffff, "LM4550",		NULL,		NULL },
+{ 0x4e534350, 0xffffffff, "LM4550",		patch_lm4550,  	NULL }, // volume wrap fix 
 { 0x50534304, 0xffffffff, "UCB1400",		NULL,		NULL },
 { 0x53494c20, 0xffffffe0, "Si3036,8",		mpatch_si3036,	mpatch_si3036, AC97_MODEM_PATCH },
 { 0x54524102, 0xffffffff, "TR28022",		NULL,		NULL },
@@ -191,9 +192,6 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 
 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
 {
-	if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
-  		return 0;
-
 	/* filter some registers for buggy codecs */
 	switch (ac97->id) {
 	case AC97_ID_AK4540:
@@ -296,11 +294,11 @@ void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned sh
 {
 	if (!snd_ac97_valid_reg(ac97, reg))
 		return;
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	ac97->regs[reg] = value;
 	ac97->bus->ops->write(ac97, reg, value);
 	set_bit(reg, ac97->reg_accessed);
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 }
 
 /**
@@ -321,14 +319,14 @@ int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short va
 
 	if (!snd_ac97_valid_reg(ac97, reg))
 		return -EINVAL;
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	change = ac97->regs[reg] != value;
 	if (change) {
 		ac97->regs[reg] = value;
 		ac97->bus->ops->write(ac97, reg, value);
 	}
 	set_bit(reg, ac97->reg_accessed);
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 	return change;
 }
 
@@ -351,9 +349,9 @@ int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned sho
 
 	if (!snd_ac97_valid_reg(ac97, reg))
 		return -EINVAL;
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 	return change;
 }
 
@@ -380,12 +378,12 @@ static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, uns
 	int change;
 	unsigned short old, new, cfg;
 
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	old = ac97->spec.ad18xx.pcmreg[codec];
 	new = (old & ~mask) | value;
 	change = old != new;
 	if (change) {
-		down(&ac97->reg_mutex);
+		mutex_lock(&ac97->reg_mutex);
 		cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
 		ac97->spec.ad18xx.pcmreg[codec] = new;
 		/* select single codec */
@@ -397,9 +395,9 @@ static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, uns
 		/* select all codecs */
 		ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
 				 cfg | 0x7000);
-		up(&ac97->reg_mutex);
+		mutex_unlock(&ac97->reg_mutex);
 	}
-	up(&ac97->page_mutex);
+	mutex_unlock(&ac97->page_mutex);
 	return change;
 }
 
@@ -467,7 +465,7 @@ static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontro
 	    (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
 	    (reg >= 0x60 && reg < 0x70)) {
 		unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
-		down(&ac97->page_mutex); /* lock paging */
+		mutex_lock(&ac97->page_mutex); /* lock paging */
 		page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
 		snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
 	}
@@ -478,7 +476,7 @@ static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
 {
 	if (page_save >= 0) {
 		snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
-		up(&ac97->page_mutex); /* unlock paging */
+		mutex_unlock(&ac97->page_mutex); /* unlock paging */
 	}
 }
 
@@ -674,12 +672,12 @@ static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_
 {
 	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
 
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
 	ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
 	ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
 	ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 	return 0;
 }
                         
@@ -718,7 +716,7 @@ static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_
 		}
 	}
 
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	change = ac97->spdif_status != new;
 	ac97->spdif_status = new;
 
@@ -746,7 +744,7 @@ static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_
 			snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
                 }
 	}
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 
 	return change;
 }
@@ -763,7 +761,7 @@ static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 
 	value = (ucontrol->value.integer.value[0] & mask);
 
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	mask <<= shift;
 	value <<= shift;
 	old = snd_ac97_read_cache(ac97, reg);
@@ -777,7 +775,7 @@ static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 		if (extst & AC97_EA_SPDIF)
 			snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
 	}
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 	return change;
 }
 
@@ -888,10 +886,10 @@ static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct
 	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
 	int codec = kcontrol->private_value & 3;
 	
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
 	ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
-	up(&ac97->page_mutex);
+	mutex_unlock(&ac97->page_mutex);
 	return 0;
 }
 
@@ -1007,9 +1005,6 @@ static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
 		break;
 	}
 
-	if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
-		return 1; /* allow without check */
-
 	val = snd_ac97_read(ac97, reg);
 	if (!(val & mask)) {
 		/* nothing seems to be here - mute flag is not set */
@@ -1029,6 +1024,18 @@ static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned cha
 	unsigned char max[3] = { 63, 31, 15 };
 	int i;
 
+	/* first look up the static resolution table */
+	if (ac97->res_table) {
+		const struct snd_ac97_res_table *tbl;
+		for (tbl = ac97->res_table; tbl->reg; tbl++) {
+			if (tbl->reg == reg) {
+				*lo_max = tbl->bits & 0xff;
+				*hi_max = (tbl->bits >> 8) & 0xff;
+				return;
+			}
+		}
+	}
+
 	*lo_max = *hi_max = 0;
 	for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
 		unsigned short val;
@@ -1853,11 +1860,10 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template,
 	ac97->num = template->num;
 	ac97->addr = template->addr;
 	ac97->scaps = template->scaps;
-	ac97->limited_regs = template->limited_regs;
-	memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
+	ac97->res_table = template->res_table;
 	bus->codec[ac97->num] = ac97;
-	init_MUTEX(&ac97->reg_mutex);
-	init_MUTEX(&ac97->page_mutex);
+	mutex_init(&ac97->reg_mutex);
+	mutex_init(&ac97->page_mutex);
 
 #ifdef CONFIG_PCI
 	if (ac97->pci) {
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index a444a78..4d9cf37 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -27,6 +27,8 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
+
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/control.h>
@@ -55,12 +57,12 @@ static int ac97_update_bits_page(struct snd_ac97 *ac97, unsigned short reg, unsi
 	unsigned short page_save;
 	int ret;
 
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
 	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
 	ret = snd_ac97_update_bits(ac97, reg, mask, value);
 	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
-	up(&ac97->page_mutex); /* unlock paging */
+	mutex_unlock(&ac97->page_mutex); /* unlock paging */
 	return ret;
 }
 
@@ -897,12 +899,12 @@ static int snd_ac97_stac9708_put_bias(struct snd_kcontrol *kcontrol, struct snd_
 	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
 	int err;
 
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	snd_ac97_write(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
 	err = snd_ac97_update_bits(ac97, AC97_SIGMATEL_BIAS2, 0x0010,
 				   (ucontrol->value.integer.value[0] & 1) << 4);
 	snd_ac97_write(ac97, AC97_SIGMATEL_BIAS1, 0);
-	up(&ac97->page_mutex);
+	mutex_unlock(&ac97->page_mutex);
 	return err;
 }
 
@@ -2823,3 +2825,33 @@ int mpatch_si3036(struct snd_ac97 * ac97)
 	snd_ac97_write_cache(ac97, 0x68, 0);
 	return 0;
 }
+
+/*
+ * LM 4550 Codec
+ *
+ * We use a static resolution table since LM4550 codec cannot be
+ * properly autoprobed to determine the resolution via
+ * check_volume_resolution().
+ */
+
+static struct snd_ac97_res_table lm4550_restbl[] = {
+	{ AC97_MASTER, 0x1f1f },
+	{ AC97_HEADPHONE, 0x1f1f },
+	{ AC97_MASTER_MONO, 0x001f },
+	{ AC97_PC_BEEP, 0x001f },	/* LSB is ignored */
+	{ AC97_PHONE, 0x001f },
+	{ AC97_MIC, 0x001f },
+	{ AC97_LINE, 0x1f1f },
+	{ AC97_CD, 0x1f1f },
+	{ AC97_VIDEO, 0x1f1f },
+	{ AC97_AUX, 0x1f1f },
+	{ AC97_PCM, 0x1f1f },
+	{ AC97_REC_GAIN, 0x0f0f },
+	{ } /* terminator */
+};
+
+int patch_lm4550(struct snd_ac97 *ac97)
+{
+	ac97->res_table = lm4550_restbl;
+	return 0;
+}
diff --git a/sound/pci/ac97/ac97_patch.h b/sound/pci/ac97/ac97_patch.h
index 5060cb6..adcaa04 100644
--- a/sound/pci/ac97/ac97_patch.h
+++ b/sound/pci/ac97/ac97_patch.h
@@ -59,3 +59,4 @@ int patch_vt1616(struct snd_ac97 * ac97);
 int patch_vt1617a(struct snd_ac97 * ac97);
 int patch_it2646(struct snd_ac97 * ac97);
 int mpatch_si3036(struct snd_ac97 * ac97);
+int patch_lm4550(struct snd_ac97 * ac97);
diff --git a/sound/pci/ac97/ac97_pcm.c b/sound/pci/ac97/ac97_pcm.c
index c3e590b..512a358 100644
--- a/sound/pci/ac97/ac97_pcm.c
+++ b/sound/pci/ac97/ac97_pcm.c
@@ -27,6 +27,8 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
+
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/control.h>
@@ -206,7 +208,7 @@ static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate)
 		mask = AC97_SC_SPSR_MASK;
 	}
 
-	down(&ac97->reg_mutex);
+	mutex_lock(&ac97->reg_mutex);
 	old = snd_ac97_read(ac97, reg) & mask;
 	if (old != bits) {
 		snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
@@ -231,7 +233,7 @@ static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate)
 		ac97->spdif_status = sbits;
 	}
 	snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF);
-	up(&ac97->reg_mutex);
+	mutex_unlock(&ac97->reg_mutex);
 	return 0;
 }
 
diff --git a/sound/pci/ac97/ac97_proc.c b/sound/pci/ac97/ac97_proc.c
index 7134b3f..4d523df 100644
--- a/sound/pci/ac97/ac97_proc.c
+++ b/sound/pci/ac97/ac97_proc.c
@@ -24,6 +24,8 @@
 
 #include <sound/driver.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
+
 #include <sound/core.h>
 #include <sound/ac97_codec.h>
 #include <sound/asoundef.h>
@@ -338,7 +340,7 @@ static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buf
 {
 	struct snd_ac97 *ac97 = entry->private_data;
 	
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) {	// Analog Devices AD1881/85/86
 		int idx;
 		for (idx = 0; idx < 3; idx++)
@@ -364,7 +366,7 @@ static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buf
 	} else {
 		snd_ac97_proc_read_main(ac97, buffer, 0);
 	}
-	up(&ac97->page_mutex);
+	mutex_unlock(&ac97->page_mutex);
 }
 
 #ifdef CONFIG_SND_DEBUG
@@ -374,7 +376,7 @@ static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_in
 	struct snd_ac97 *ac97 = entry->private_data;
 	char line[64];
 	unsigned int reg, val;
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
 		if (sscanf(line, "%x %x", &reg, &val) != 2)
 			continue;
@@ -382,7 +384,7 @@ static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_in
 		if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
 			snd_ac97_write_cache(ac97, reg, val);
 	}
-	up(&ac97->page_mutex);
+	mutex_unlock(&ac97->page_mutex);
 }
 #endif
 
@@ -401,7 +403,7 @@ static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
 {
 	struct snd_ac97 *ac97 = entry->private_data;
 
-	down(&ac97->page_mutex);
+	mutex_lock(&ac97->page_mutex);
 	if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) {	// Analog Devices AD1881/85/86
 
 		int idx;
@@ -417,7 +419,7 @@ static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
 	} else {
 		snd_ac97_proc_regs_read_main(ac97, buffer, 0);
 	}	
-	up(&ac97->page_mutex);
+	mutex_unlock(&ac97->page_mutex);
 }
 
 void snd_ac97_proc_init(struct snd_ac97 * ac97)
diff --git a/sound/pci/ac97/ak4531_codec.c b/sound/pci/ac97/ak4531_codec.c
index dcfb503..0fb7b34 100644
--- a/sound/pci/ac97/ak4531_codec.c
+++ b/sound/pci/ac97/ak4531_codec.c
@@ -23,6 +23,8 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
+
 #include <sound/core.h>
 #include <sound/ak4531_codec.h>
 
@@ -82,9 +84,9 @@ static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 	int invert = (kcontrol->private_value >> 22) & 1;
 	int val;
 
-	down(&ak4531->reg_mutex);
+	mutex_lock(&ak4531->reg_mutex);
 	val = (ak4531->regs[reg] >> shift) & mask;
-	up(&ak4531->reg_mutex);
+	mutex_unlock(&ak4531->reg_mutex);
 	if (invert) {
 		val = mask - val;
 	}
@@ -107,11 +109,11 @@ static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 		val = mask - val;
 	}
 	val <<= shift;
-	down(&ak4531->reg_mutex);
+	mutex_lock(&ak4531->reg_mutex);
 	val = (ak4531->regs[reg] & ~(mask << shift)) | val;
 	change = val != ak4531->regs[reg];
 	ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
-	up(&ak4531->reg_mutex);
+	mutex_unlock(&ak4531->reg_mutex);
 	return change;
 }
 
@@ -143,10 +145,10 @@ static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 	int invert = (kcontrol->private_value >> 22) & 1;
 	int left, right;
 
-	down(&ak4531->reg_mutex);
+	mutex_lock(&ak4531->reg_mutex);
 	left = (ak4531->regs[left_reg] >> left_shift) & mask;
 	right = (ak4531->regs[right_reg] >> right_shift) & mask;
-	up(&ak4531->reg_mutex);
+	mutex_unlock(&ak4531->reg_mutex);
 	if (invert) {
 		left = mask - left;
 		right = mask - right;
@@ -176,7 +178,7 @@ static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 	}
 	left <<= left_shift;
 	right <<= right_shift;
-	down(&ak4531->reg_mutex);
+	mutex_lock(&ak4531->reg_mutex);
 	if (left_reg == right_reg) {
 		left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right;
 		change = left != ak4531->regs[left_reg];
@@ -188,7 +190,7 @@ static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 		ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
 		ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
 	}
-	up(&ak4531->reg_mutex);
+	mutex_unlock(&ak4531->reg_mutex);
 	return change;
 }
 
@@ -215,12 +217,12 @@ static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl
 	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 
-	down(&ak4531->reg_mutex);
+	mutex_lock(&ak4531->reg_mutex);
 	ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
 	ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
 	ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
 	ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
-	up(&ak4531->reg_mutex);
+	mutex_unlock(&ak4531->reg_mutex);
 	return 0;
 }
 
@@ -234,7 +236,7 @@ static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl
 	int change;
 	int val1, val2;
 
-	down(&ak4531->reg_mutex);
+	mutex_lock(&ak4531->reg_mutex);
 	val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift));
 	val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift));
 	val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
@@ -244,7 +246,7 @@ static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl
 	change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2];
 	ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
 	ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
-	up(&ak4531->reg_mutex);
+	mutex_unlock(&ak4531->reg_mutex);
 	return change;
 }
 
@@ -366,7 +368,7 @@ int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
 	if (ak4531 == NULL)
 		return -ENOMEM;
 	*ak4531 = *_ak4531;
-	init_MUTEX(&ak4531->reg_mutex);
+	mutex_init(&ak4531->reg_mutex);
 	if ((err = snd_component_add(card, "AK4531")) < 0) {
 		snd_ak4531_free(ak4531);
 		return err;