--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -949,7 +949,7 @@ struct alc_codec_rename_pci_table {
 	const char *name;
 };
 
-static struct alc_codec_rename_table rename_tbl[] = {
+static const struct alc_codec_rename_table rename_tbl[] = {
 	{ 0x10ec0221, 0xf00f, 0x1003, "ALC231" },
 	{ 0x10ec0269, 0xfff0, 0x3010, "ALC277" },
 	{ 0x10ec0269, 0xf0f0, 0x2010, "ALC259" },
@@ -970,7 +970,7 @@ static struct alc_codec_rename_table ren
 	{ } /* terminator */
 };
 
-static struct alc_codec_rename_pci_table rename_pci_tbl[] = {
+static const struct alc_codec_rename_pci_table rename_pci_tbl[] = {
 	{ 0x10ec0280, 0x1028, 0, "ALC3220" },
 	{ 0x10ec0282, 0x1028, 0, "ALC3221" },
 	{ 0x10ec0283, 0x1028, 0, "ALC3223" },
@@ -3000,7 +3000,7 @@ static void alc269_shutup(struct hda_cod
 	alc_shutup_pins(codec);
 }
 
-static struct coef_fw alc282_coefs[] = {
+static const struct coef_fw alc282_coefs[] = {
 	WRITE_COEF(0x03, 0x0002), /* Power Down Control */
 	UPDATE_COEF(0x05, 0xff3f, 0x0700), /* FIFO and filter clock */
 	WRITE_COEF(0x07, 0x0200), /* DMIC control */
@@ -3112,7 +3112,7 @@ static void alc282_shutup(struct hda_cod
 	alc_write_coef_idx(codec, 0x78, coef78);
 }
 
-static struct coef_fw alc283_coefs[] = {
+static const struct coef_fw alc283_coefs[] = {
 	WRITE_COEF(0x03, 0x0002), /* Power Down Control */
 	UPDATE_COEF(0x05, 0xff3f, 0x0700), /* FIFO and filter clock */
 	WRITE_COEF(0x07, 0x0200), /* DMIC control */
@@ -4188,7 +4188,7 @@ static void alc269_fixup_hp_line1_mic1_l
 	}
 }
 
-static struct coef_fw alc225_pre_hsmode[] = {
+static const struct coef_fw alc225_pre_hsmode[] = {
 	UPDATE_COEF(0x4a, 1<<8, 0),
 	UPDATE_COEFEX(0x57, 0x05, 1<<14, 0),
 	UPDATE_COEF(0x63, 3<<14, 3<<14),
@@ -4201,7 +4201,7 @@ static struct coef_fw alc225_pre_hsmode[
 
 static void alc_headset_mode_unplugged(struct hda_codec *codec)
 {
-	static struct coef_fw coef0255[] = {
+	static const struct coef_fw coef0255[] = {
 		WRITE_COEF(0x1b, 0x0c0b), /* LDO and MISC control */
 		WRITE_COEF(0x45, 0xd089), /* UAJ function set to menual mode */
 		UPDATE_COEFEX(0x57, 0x05, 1<<14, 0), /* Direct Drive HP Amp control(Set to verb control)*/
@@ -4209,7 +4209,7 @@ static void alc_headset_mode_unplugged(s
 		WRITE_COEFEX(0x57, 0x03, 0x8aa6), /* Direct Drive HP Amp control */
 		{}
 	};
-	static struct coef_fw coef0256[] = {
+	static const struct coef_fw coef0256[] = {
 		WRITE_COEF(0x1b, 0x0c4b), /* LDO and MISC control */
 		WRITE_COEF(0x45, 0xd089), /* UAJ function set to menual mode */
 		WRITE_COEF(0x06, 0x6104), /* Set MIC2 Vref gate with HP */
@@ -4217,7 +4217,7 @@ static void alc_headset_mode_unplugged(s
 		UPDATE_COEFEX(0x57, 0x05, 1<<14, 0), /* Direct Drive HP Amp control(Set to verb control)*/
 		{}
 	};
-	static struct coef_fw coef0233[] = {
+	static const struct coef_fw coef0233[] = {
 		WRITE_COEF(0x1b, 0x0c0b),
 		WRITE_COEF(0x45, 0xc429),
 		UPDATE_COEF(0x35, 0x4000, 0),
@@ -4227,7 +4227,7 @@ static void alc_headset_mode_unplugged(s
 		WRITE_COEF(0x32, 0x42a3),
 		{}
 	};
-	static struct coef_fw coef0288[] = {
+	static const struct coef_fw coef0288[] = {
 		UPDATE_COEF(0x4f, 0xfcc0, 0xc400),
 		UPDATE_COEF(0x50, 0x2000, 0x2000),
 		UPDATE_COEF(0x56, 0x0006, 0x0006),
@@ -4235,18 +4235,18 @@ static void alc_headset_mode_unplugged(s
 		UPDATE_COEF(0x67, 0x2000, 0),
 		{}
 	};
-	static struct coef_fw coef0298[] = {
+	static const struct coef_fw coef0298[] = {
 		UPDATE_COEF(0x19, 0x1300, 0x0300),
 		{}
 	};
-	static struct coef_fw coef0292[] = {
+	static const struct coef_fw coef0292[] = {
 		WRITE_COEF(0x76, 0x000e),
 		WRITE_COEF(0x6c, 0x2400),
 		WRITE_COEF(0x18, 0x7308),
 		WRITE_COEF(0x6b, 0xc429),
 		{}
 	};
-	static struct coef_fw coef0293[] = {
+	static const struct coef_fw coef0293[] = {
 		UPDATE_COEF(0x10, 7<<8, 6<<8), /* SET Line1 JD to 0 */
 		UPDATE_COEFEX(0x57, 0x05, 1<<15|1<<13, 0x0), /* SET charge pump by verb */
 		UPDATE_COEFEX(0x57, 0x03, 1<<10, 1<<10), /* SET EN_OSW to 1 */
@@ -4255,16 +4255,16 @@ static void alc_headset_mode_unplugged(s
 		UPDATE_COEF(0x4a, 0x000f, 0x000e), /* Combo Jack auto detect */
 		{}
 	};
-	static struct coef_fw coef0668[] = {
+	static const struct coef_fw coef0668[] = {
 		WRITE_COEF(0x15, 0x0d40),
 		WRITE_COEF(0xb7, 0x802b),
 		{}
 	};
-	static struct coef_fw coef0225[] = {
+	static const struct coef_fw coef0225[] = {
 		UPDATE_COEF(0x63, 3<<14, 0),
 		{}
 	};
-	static struct coef_fw coef0274[] = {
+	static const struct coef_fw coef0274[] = {
 		UPDATE_COEF(0x4a, 0x0100, 0),
 		UPDATE_COEFEX(0x57, 0x05, 0x4000, 0),
 		UPDATE_COEF(0x6b, 0xf000, 0x5000),
@@ -4329,25 +4329,25 @@ static void alc_headset_mode_unplugged(s
 static void alc_headset_mode_mic_in(struct hda_codec *codec, hda_nid_t hp_pin,
 				    hda_nid_t mic_pin)
 {
-	static struct coef_fw coef0255[] = {
+	static const struct coef_fw coef0255[] = {
 		WRITE_COEFEX(0x57, 0x03, 0x8aa6),
 		WRITE_COEF(0x06, 0x6100), /* Set MIC2 Vref gate to normal */
 		{}
 	};
-	static struct coef_fw coef0256[] = {
+	static const struct coef_fw coef0256[] = {
 		UPDATE_COEFEX(0x57, 0x05, 1<<14, 1<<14), /* Direct Drive HP Amp control(Set to verb control)*/
 		WRITE_COEFEX(0x57, 0x03, 0x09a3),
 		WRITE_COEF(0x06, 0x6100), /* Set MIC2 Vref gate to normal */
 		{}
 	};
-	static struct coef_fw coef0233[] = {
+	static const struct coef_fw coef0233[] = {
 		UPDATE_COEF(0x35, 0, 1<<14),
 		WRITE_COEF(0x06, 0x2100),
 		WRITE_COEF(0x1a, 0x0021),
 		WRITE_COEF(0x26, 0x008c),
 		{}
 	};
-	static struct coef_fw coef0288[] = {
+	static const struct coef_fw coef0288[] = {
 		UPDATE_COEF(0x4f, 0x00c0, 0),
 		UPDATE_COEF(0x50, 0x2000, 0),
 		UPDATE_COEF(0x56, 0x0006, 0),
@@ -4356,30 +4356,30 @@ static void alc_headset_mode_mic_in(stru
 		UPDATE_COEF(0x67, 0x2000, 0x2000),
 		{}
 	};
-	static struct coef_fw coef0292[] = {
+	static const struct coef_fw coef0292[] = {
 		WRITE_COEF(0x19, 0xa208),
 		WRITE_COEF(0x2e, 0xacf0),
 		{}
 	};
-	static struct coef_fw coef0293[] = {
+	static const struct coef_fw coef0293[] = {
 		UPDATE_COEFEX(0x57, 0x05, 0, 1<<15|1<<13), /* SET charge pump by verb */
 		UPDATE_COEFEX(0x57, 0x03, 1<<10, 0), /* SET EN_OSW to 0 */
 		UPDATE_COEF(0x1a, 1<<3, 0), /* Combo JD gating without LINE1-VREFO */
 		{}
 	};
-	static struct coef_fw coef0688[] = {
+	static const struct coef_fw coef0688[] = {
 		WRITE_COEF(0xb7, 0x802b),
 		WRITE_COEF(0xb5, 0x1040),
 		UPDATE_COEF(0xc3, 0, 1<<12),
 		{}
 	};
-	static struct coef_fw coef0225[] = {
+	static const struct coef_fw coef0225[] = {
 		UPDATE_COEFEX(0x57, 0x05, 1<<14, 1<<14),
 		UPDATE_COEF(0x4a, 3<<4, 2<<4),
 		UPDATE_COEF(0x63, 3<<14, 0),
 		{}
 	};
-	static struct coef_fw coef0274[] = {
+	static const struct coef_fw coef0274[] = {
 		UPDATE_COEFEX(0x57, 0x05, 0x4000, 0x4000),
 		UPDATE_COEF(0x4a, 0x0010, 0),
 		UPDATE_COEF(0x6b, 0xf000, 0),
@@ -4465,7 +4465,7 @@ static void alc_headset_mode_mic_in(stru
 
 static void alc_headset_mode_default(struct hda_codec *codec)
 {
-	static struct coef_fw coef0225[] = {
+	static const struct coef_fw coef0225[] = {
 		UPDATE_COEF(0x45, 0x3f<<10, 0x30<<10),
 		UPDATE_COEF(0x45, 0x3f<<10, 0x31<<10),
 		UPDATE_COEF(0x49, 3<<8, 0<<8),
@@ -4474,14 +4474,14 @@ static void alc_headset_mode_default(str
 		UPDATE_COEF(0x67, 0xf000, 0x3000),
 		{}
 	};
-	static struct coef_fw coef0255[] = {
+	static const struct coef_fw coef0255[] = {
 		WRITE_COEF(0x45, 0xc089),
 		WRITE_COEF(0x45, 0xc489),
 		WRITE_COEFEX(0x57, 0x03, 0x8ea6),
 		WRITE_COEF(0x49, 0x0049),
 		{}
 	};
-	static struct coef_fw coef0256[] = {
+	static const struct coef_fw coef0256[] = {
 		WRITE_COEF(0x45, 0xc489),
 		WRITE_COEFEX(0x57, 0x03, 0x0da3),
 		WRITE_COEF(0x49, 0x0049),
@@ -4489,12 +4489,12 @@ static void alc_headset_mode_default(str
 		WRITE_COEF(0x06, 0x6100),
 		{}
 	};
-	static struct coef_fw coef0233[] = {
+	static const struct coef_fw coef0233[] = {
 		WRITE_COEF(0x06, 0x2100),
 		WRITE_COEF(0x32, 0x4ea3),
 		{}
 	};
-	static struct coef_fw coef0288[] = {
+	static const struct coef_fw coef0288[] = {
 		UPDATE_COEF(0x4f, 0xfcc0, 0xc400), /* Set to TRS type */
 		UPDATE_COEF(0x50, 0x2000, 0x2000),
 		UPDATE_COEF(0x56, 0x0006, 0x0006),
@@ -4502,26 +4502,26 @@ static void alc_headset_mode_default(str
 		UPDATE_COEF(0x67, 0x2000, 0),
 		{}
 	};
-	static struct coef_fw coef0292[] = {
+	static const struct coef_fw coef0292[] = {
 		WRITE_COEF(0x76, 0x000e),
 		WRITE_COEF(0x6c, 0x2400),
 		WRITE_COEF(0x6b, 0xc429),
 		WRITE_COEF(0x18, 0x7308),
 		{}
 	};
-	static struct coef_fw coef0293[] = {
+	static const struct coef_fw coef0293[] = {
 		UPDATE_COEF(0x4a, 0x000f, 0x000e), /* Combo Jack auto detect */
 		WRITE_COEF(0x45, 0xC429), /* Set to TRS type */
 		UPDATE_COEF(0x1a, 1<<3, 0), /* Combo JD gating without LINE1-VREFO */
 		{}
 	};
-	static struct coef_fw coef0688[] = {
+	static const struct coef_fw coef0688[] = {
 		WRITE_COEF(0x11, 0x0041),
 		WRITE_COEF(0x15, 0x0d40),
 		WRITE_COEF(0xb7, 0x802b),
 		{}
 	};
-	static struct coef_fw coef0274[] = {
+	static const struct coef_fw coef0274[] = {
 		WRITE_COEF(0x45, 0x4289),
 		UPDATE_COEF(0x4a, 0x0010, 0x0010),
 		UPDATE_COEF(0x6b, 0x0f00, 0),
@@ -4584,53 +4584,53 @@ static void alc_headset_mode_ctia(struct
 {
 	int val;
 
-	static struct coef_fw coef0255[] = {
+	static const struct coef_fw coef0255[] = {
 		WRITE_COEF(0x45, 0xd489), /* Set to CTIA type */
 		WRITE_COEF(0x1b, 0x0c2b),
 		WRITE_COEFEX(0x57, 0x03, 0x8ea6),
 		{}
 	};
-	static struct coef_fw coef0256[] = {
+	static const struct coef_fw coef0256[] = {
 		WRITE_COEF(0x45, 0xd489), /* Set to CTIA type */
 		WRITE_COEF(0x1b, 0x0e6b),
 		{}
 	};
-	static struct coef_fw coef0233[] = {
+	static const struct coef_fw coef0233[] = {
 		WRITE_COEF(0x45, 0xd429),
 		WRITE_COEF(0x1b, 0x0c2b),
 		WRITE_COEF(0x32, 0x4ea3),
 		{}
 	};
-	static struct coef_fw coef0288[] = {
+	static const struct coef_fw coef0288[] = {
 		UPDATE_COEF(0x50, 0x2000, 0x2000),
 		UPDATE_COEF(0x56, 0x0006, 0x0006),
 		UPDATE_COEF(0x66, 0x0008, 0),
 		UPDATE_COEF(0x67, 0x2000, 0),
 		{}
 	};
-	static struct coef_fw coef0292[] = {
+	static const struct coef_fw coef0292[] = {
 		WRITE_COEF(0x6b, 0xd429),
 		WRITE_COEF(0x76, 0x0008),
 		WRITE_COEF(0x18, 0x7388),
 		{}
 	};
-	static struct coef_fw coef0293[] = {
+	static const struct coef_fw coef0293[] = {
 		WRITE_COEF(0x45, 0xd429), /* Set to ctia type */
 		UPDATE_COEF(0x10, 7<<8, 7<<8), /* SET Line1 JD to 1 */
 		{}
 	};
-	static struct coef_fw coef0688[] = {
+	static const struct coef_fw coef0688[] = {
 		WRITE_COEF(0x11, 0x0001),
 		WRITE_COEF(0x15, 0x0d60),
 		WRITE_COEF(0xc3, 0x0000),
 		{}
 	};
-	static struct coef_fw coef0225_1[] = {
+	static const struct coef_fw coef0225_1[] = {
 		UPDATE_COEF(0x45, 0x3f<<10, 0x35<<10),
 		UPDATE_COEF(0x63, 3<<14, 2<<14),
 		{}
 	};
-	static struct coef_fw coef0225_2[] = {
+	static const struct coef_fw coef0225_2[] = {
 		UPDATE_COEF(0x45, 0x3f<<10, 0x35<<10),
 		UPDATE_COEF(0x63, 3<<14, 1<<14),
 		{}
@@ -4702,48 +4702,48 @@ static void alc_headset_mode_ctia(struct
 /* Nokia type */
 static void alc_headset_mode_omtp(struct hda_codec *codec)
 {
-	static struct coef_fw coef0255[] = {
+	static const struct coef_fw coef0255[] = {
 		WRITE_COEF(0x45, 0xe489), /* Set to OMTP Type */
 		WRITE_COEF(0x1b, 0x0c2b),
 		WRITE_COEFEX(0x57, 0x03, 0x8ea6),
 		{}
 	};
-	static struct coef_fw coef0256[] = {
+	static const struct coef_fw coef0256[] = {
 		WRITE_COEF(0x45, 0xe489), /* Set to OMTP Type */
 		WRITE_COEF(0x1b, 0x0e6b),
 		{}
 	};
-	static struct coef_fw coef0233[] = {
+	static const struct coef_fw coef0233[] = {
 		WRITE_COEF(0x45, 0xe429),
 		WRITE_COEF(0x1b, 0x0c2b),
 		WRITE_COEF(0x32, 0x4ea3),
 		{}
 	};
-	static struct coef_fw coef0288[] = {
+	static const struct coef_fw coef0288[] = {
 		UPDATE_COEF(0x50, 0x2000, 0x2000),
 		UPDATE_COEF(0x56, 0x0006, 0x0006),
 		UPDATE_COEF(0x66, 0x0008, 0),
 		UPDATE_COEF(0x67, 0x2000, 0),
 		{}
 	};
-	static struct coef_fw coef0292[] = {
+	static const struct coef_fw coef0292[] = {
 		WRITE_COEF(0x6b, 0xe429),
 		WRITE_COEF(0x76, 0x0008),
 		WRITE_COEF(0x18, 0x7388),
 		{}
 	};
-	static struct coef_fw coef0293[] = {
+	static const struct coef_fw coef0293[] = {
 		WRITE_COEF(0x45, 0xe429), /* Set to omtp type */
 		UPDATE_COEF(0x10, 7<<8, 7<<8), /* SET Line1 JD to 1 */
 		{}
 	};
-	static struct coef_fw coef0688[] = {
+	static const struct coef_fw coef0688[] = {
 		WRITE_COEF(0x11, 0x0001),
 		WRITE_COEF(0x15, 0x0d50),
 		WRITE_COEF(0xc3, 0x0000),
 		{}
 	};
-	static struct coef_fw coef0225[] = {
+	static const struct coef_fw coef0225[] = {
 		UPDATE_COEF(0x45, 0x3f<<10, 0x39<<10),
 		UPDATE_COEF(0x63, 3<<14, 2<<14),
 		{}
@@ -4803,17 +4803,17 @@ static void alc_determine_headset_type(s
 	int val;
 	bool is_ctia = false;
 	struct alc_spec *spec = codec->spec;
-	static struct coef_fw coef0255[] = {
+	static const struct coef_fw coef0255[] = {
 		WRITE_COEF(0x45, 0xd089), /* combo jack auto switch control(Check type)*/
 		WRITE_COEF(0x49, 0x0149), /* combo jack auto switch control(Vref
  conteol) */
 		{}
 	};
-	static struct coef_fw coef0288[] = {
+	static const struct coef_fw coef0288[] = {
 		UPDATE_COEF(0x4f, 0xfcc0, 0xd400), /* Check Type */
 		{}
 	};
-	static struct coef_fw coef0298[] = {
+	static const struct coef_fw coef0298[] = {
 		UPDATE_COEF(0x50, 0x2000, 0x2000),
 		UPDATE_COEF(0x56, 0x0006, 0x0006),
 		UPDATE_COEF(0x66, 0x0008, 0),
@@ -4821,19 +4821,19 @@ static void alc_determine_headset_type(s
 		UPDATE_COEF(0x19, 0x1300, 0x1300),
 		{}
 	};
-	static struct coef_fw coef0293[] = {
+	static const struct coef_fw coef0293[] = {
 		UPDATE_COEF(0x4a, 0x000f, 0x0008), /* Combo Jack auto detect */
 		WRITE_COEF(0x45, 0xD429), /* Set to ctia type */
 		{}
 	};
-	static struct coef_fw coef0688[] = {
+	static const struct coef_fw coef0688[] = {
 		WRITE_COEF(0x11, 0x0001),
 		WRITE_COEF(0xb7, 0x802b),
 		WRITE_COEF(0x15, 0x0d60),
 		WRITE_COEF(0xc3, 0x0c00),
 		{}
 	};
-	static struct coef_fw coef0274[] = {
+	static const struct coef_fw coef0274[] = {
 		UPDATE_COEF(0x4a, 0x0010, 0),
 		UPDATE_COEF(0x4a, 0x8000, 0),
 		WRITE_COEF(0x45, 0xd289),
@@ -5120,7 +5120,7 @@ static void alc_fixup_headset_mode_no_hp
 static void alc255_set_default_jack_type(struct hda_codec *codec)
 {
 	/* Set to iphone type */
-	static struct coef_fw alc255fw[] = {
+	static const struct coef_fw alc255fw[] = {
 		WRITE_COEF(0x1b, 0x880b),
 		WRITE_COEF(0x45, 0xd089),
 		WRITE_COEF(0x1b, 0x080b),
@@ -5128,7 +5128,7 @@ static void alc255_set_default_jack_type
 		WRITE_COEF(0x1b, 0x0c0b),
 		{}
 	};
-	static struct coef_fw alc256fw[] = {
+	static const struct coef_fw alc256fw[] = {
 		WRITE_COEF(0x1b, 0x884b),
 		WRITE_COEF(0x45, 0xd089),
 		WRITE_COEF(0x1b, 0x084b),
@@ -8542,7 +8542,7 @@ static void alc662_fixup_aspire_ethos_hp
 	}
 }
 
-static struct coef_fw alc668_coefs[] = {
+static const struct coef_fw alc668_coefs[] = {
 	WRITE_COEF(0x01, 0xbebe), WRITE_COEF(0x02, 0xaaaa), WRITE_COEF(0x03,    0x0),
 	WRITE_COEF(0x04, 0x0180), WRITE_COEF(0x06,    0x0), WRITE_COEF(0x07, 0x0f80),
 	WRITE_COEF(0x08, 0x0031), WRITE_COEF(0x0a, 0x0060), WRITE_COEF(0x0b,    0x0),
