diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 85f49d4..c149d3b25 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -188,7 +188,7 @@
 
 int snd_ak4114_create(struct snd_card *card,
 		      ak4114_read_t *read, ak4114_write_t *write,
-		      unsigned char pgm[7], unsigned char txcsb[5],
+		      const unsigned char pgm[7], const unsigned char txcsb[5],
 		      void *private_data, struct ak4114 **r_ak4114);
 void snd_ak4114_reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char mask, unsigned char val);
 void snd_ak4114_reinit(struct ak4114 *ak4114);
diff --git a/include/sound/ak4117.h b/include/sound/ak4117.h
index 2b96c32..d650d52 100644
--- a/include/sound/ak4117.h
+++ b/include/sound/ak4117.h
@@ -178,7 +178,7 @@
 };
 
 int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
-		      unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117);
+		      const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117);
 void snd_ak4117_reg_write(struct ak4117 *ak4117, unsigned char reg, unsigned char mask, unsigned char val);
 void snd_ak4117_reinit(struct ak4117 *ak4117);
 int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *capture_substream);
diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
index d01d535..aa49dda 100644
--- a/include/sound/ak4xxx-adda.h
+++ b/include/sound/ak4xxx-adda.h
@@ -71,8 +71,8 @@
 	} type;
 
 	/* (array) information of combined codecs */
-	struct snd_akm4xxx_dac_channel *dac_info;
-	struct snd_akm4xxx_adc_channel *adc_info;
+	const struct snd_akm4xxx_dac_channel *dac_info;
+	const struct snd_akm4xxx_adc_channel *adc_info;
 
 	struct snd_ak4xxx_ops ops;
 };
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index 69dcaf8..34bbafc 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -79,7 +79,7 @@
 
 int snd_ak4114_create(struct snd_card *card,
 		      ak4114_read_t *read, ak4114_write_t *write,
-		      unsigned char pgm[7], unsigned char txcsb[5],
+		      const unsigned char pgm[7], const unsigned char txcsb[5],
 		      void *private_data, struct ak4114 **r_ak4114)
 {
 	struct ak4114 *chip;
diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c
index 4e45952..c022f29 100644
--- a/sound/i2c/other/ak4117.c
+++ b/sound/i2c/other/ak4117.c
@@ -74,7 +74,7 @@
 }
 
 int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
-		      unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117)
+		      const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117)
 {
 	struct ak4117 *chip;
 	int err = 0;
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index fe61b92..3d9d6c5 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -140,7 +140,7 @@
  * Used for AK4524 input/ouput attenuation, AK4528, and
  * AK5365 input attenuation
  */
-static unsigned char vol_cvt_datt[128] = {
+static const unsigned char vol_cvt_datt[128] = {
 	0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04,
 	0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
 	0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a,
@@ -184,7 +184,7 @@
 		0x07, 0x00, /* 7: DAC right muted */
 		0xff, 0xff
 	};
-	static unsigned char inits_ak4528[] = {
+	static const unsigned char inits_ak4528[] = {
 		0x00, 0x07, /* 0: all power up */
 		0x01, 0x00, /* 1: ADC/DAC reset */
 		0x02, 0x60, /* 2: 24bit I2S */
@@ -194,7 +194,7 @@
 		0x05, 0x00, /* 5: ADC right muted */
 		0xff, 0xff
 	};
-	static unsigned char inits_ak4529[] = {
+	static const unsigned char inits_ak4529[] = {
 		0x09, 0x01, /* 9: ATS=0, RSTN=1 */
 		0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
 		0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
@@ -210,7 +210,7 @@
 		0x08, 0x55, /* 8: deemphasis all off */
 		0xff, 0xff
 	};
-	static unsigned char inits_ak4355[] = {
+	static const unsigned char inits_ak4355[] = {
 		0x01, 0x02, /* 1: reset and soft-mute */
 		0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
 			     * disable DZF, sharp roll-off, RSTN#=0 */
@@ -227,7 +227,7 @@
 		0x01, 0x01, /* 1: un-reset, unmute */
 		0xff, 0xff
 	};
-	static unsigned char inits_ak4358[] = {
+	static const unsigned char inits_ak4358[] = {
 		0x01, 0x02, /* 1: reset and soft-mute */
 		0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
 			     * disable DZF, sharp roll-off, RSTN#=0 */
@@ -246,7 +246,7 @@
 		0x01, 0x01, /* 1: un-reset, unmute */
 		0xff, 0xff
 	};
-	static unsigned char inits_ak4381[] = {
+	static const unsigned char inits_ak4381[] = {
 		0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
 		0x01, 0x02, /* 1: de-emphasis off, normal speed,
 			     * sharp roll-off, DZF off */
@@ -259,7 +259,8 @@
 	};
 
 	int chip, num_chips;
-	unsigned char *ptr, reg, data, *inits;
+	const unsigned char *ptr, *inits;
+	unsigned char reg, data;
 
 	memset(ak->images, 0, sizeof(ak->images));
 	memset(ak->volumes, 0, sizeof(ak->volumes));
diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c
index 4854eaf..d88172f 100644
--- a/sound/pci/ice1712/juli.c
+++ b/sound/pci/ice1712/juli.c
@@ -146,7 +146,7 @@
  */
 static int __devinit juli_init(struct snd_ice1712 *ice)
 {
-	static unsigned char ak4114_init_vals[] = {
+	static const unsigned char ak4114_init_vals[] = {
 		/* AK4117_REG_PWRDN */	AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 		/* AK4114_REQ_FORMAT */	AK4114_DIF_I24I2S,
 		/* AK4114_REG_IO0 */	AK4114_TX1E,
@@ -154,7 +154,7 @@
 		/* AK4114_REG_INT0_MASK */ 0,
 		/* AK4114_REG_INT1_MASK */ 0
 	};
-	static unsigned char ak4114_init_txcsb[] = {
+	static const unsigned char ak4114_init_txcsb[] = {
 		0x41, 0x02, 0x2c, 0x00, 0x00
 	};
 	int err;
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 7d3bccbf..025a7e8 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -185,18 +185,18 @@
 
 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
 
-static struct snd_akm4xxx_dac_channel revo71_front[] = {
+static const struct snd_akm4xxx_dac_channel revo71_front[] = {
 	AK_DAC("PCM Playback Volume", 2)
 };
 
-static struct snd_akm4xxx_dac_channel revo71_surround[] = {
+static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
 	AK_DAC("PCM Center Playback Volume", 1),
 	AK_DAC("PCM LFE Playback Volume", 1),
 	AK_DAC("PCM Side Playback Volume", 2),
 	AK_DAC("PCM Rear Playback Volume", 2),
 };
 
-static struct snd_akm4xxx_dac_channel revo51_dac[] = {
+static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
 	AK_DAC("PCM Playback Volume", 2),
 	AK_DAC("PCM Center Playback Volume", 1),
 	AK_DAC("PCM LFE Playback Volume", 1),
@@ -210,7 +210,7 @@
 	NULL
 };
 
-static struct snd_akm4xxx_adc_channel revo51_adc[] = {
+static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 	{
 		.name = "PCM Capture Volume",
 		.switch_name = "PCM Capture Switch",
@@ -219,7 +219,7 @@
 	},
 };
 
-static struct snd_akm4xxx akm_revo_front __devinitdata = {
+static const struct snd_akm4xxx akm_revo_front __devinitdata = {
 	.type = SND_AK4381,
 	.num_dacs = 2,
 	.ops = {
@@ -320,11 +320,11 @@
 #endif
 }
 
-static struct snd_akm4xxx_dac_channel ap192_dac[] = {
+static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 	AK_DAC("PCM Playback Volume", 2)
 };
 
-static struct snd_akm4xxx akm_ap192 __devinitdata = {
+static const struct snd_akm4xxx akm_ap192 __devinitdata = {
 	.type = SND_AK4358,
 	.num_dacs = 2,
 	.ops = {