diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index 3daa978263f6..5d42c42491bf 100644
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -760,7 +760,7 @@ snd_ad1889_ac97_init(struct snd_ad1889 *chip, const char *quirk_override)
 {
 	int err;
 	struct snd_ac97_template ac97;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_ad1889_ac97_write,
 		.read = snd_ad1889_ac97_read,
 	};
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 39c33a944e5d..b2374266c52c 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -1791,7 +1791,7 @@ static int snd_ali_mixer(struct snd_ali *codec)
 	struct snd_ac97_template ac97;
 	unsigned int idx;
 	int i, err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_ali_codec_write,
 		.read = snd_ali_codec_read,
 	};
diff --git a/sound/pci/als300.c b/sound/pci/als300.c
index 64d978307755..8d2471ea090b 100644
--- a/sound/pci/als300.c
+++ b/sound/pci/als300.c
@@ -294,7 +294,7 @@ static int snd_als300_ac97(struct snd_als300 *chip)
 	struct snd_ac97_bus *bus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_als300_ac97_write,
 		.read = snd_als300_ac97_read,
 	};
diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index 61ae4fe8d646..c3281fab365d 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -1403,7 +1403,7 @@ static int snd_atiixp_mixer_new(struct atiixp *chip, int clock,
 	struct snd_ac97_template ac97;
 	int i, err;
 	int codec_count;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_atiixp_ac97_write,
 		.read = snd_atiixp_ac97_read,
 	};
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index b62cde3a00b2..3ec34e78ffef 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -1046,7 +1046,7 @@ static int snd_atiixp_mixer_new(struct atiixp_modem *chip, int clock)
 	struct snd_ac97_template ac97;
 	int i, err;
 	int codec_count;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_atiixp_ac97_write,
 		.read = snd_atiixp_ac97_read,
 	};
diff --git a/sound/pci/au88x0/au88x0_mixer.c b/sound/pci/au88x0/au88x0_mixer.c
index 60dd8a091bc3..5b647682b683 100644
--- a/sound/pci/au88x0/au88x0_mixer.c
+++ b/sound/pci/au88x0/au88x0_mixer.c
@@ -25,7 +25,7 @@ static int snd_vortex_mixer(vortex_t *vortex)
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = vortex_codec_write,
 		.read = vortex_codec_read,
 	};
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index 810d5772f097..898ba55fc0dd 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -757,7 +757,7 @@ snd_azf3328_mixer_new(struct snd_azf3328 *chip)
 {
 	struct snd_ac97_bus *bus;
 	struct snd_ac97_template ac97;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_azf3328_mixer_ac97_write,
 		.read = snd_azf3328_mixer_ac97_read,
 	};
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index e65154cecad5..d3bd27ddb049 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -1161,7 +1161,7 @@ static int snd_ca0106_ac97(struct snd_ca0106 *chip)
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_ca0106_ac97_write,
 		.read = snd_ca0106_ac97_read,
 	};
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index 75450e329cee..8fd64dab372d 100644
--- a/sound/pci/cs4281.c
+++ b/sound/pci/cs4281.c
@@ -1064,7 +1064,7 @@ static int snd_cs4281_mixer(struct cs4281 *chip)
 	struct snd_card *card = chip->card;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_cs4281_ac97_write,
 		.read = snd_cs4281_ac97_read,
 	};
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 6251fa8da939..3f2fe26efee3 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -2465,7 +2465,7 @@ int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device)
 	struct snd_ctl_elem_id id;
 	int err;
 	unsigned int idx;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 #ifdef CONFIG_SND_CS46XX_NEW_DSP
 		.reset = snd_cs46xx_codec_reset,
 #endif
diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
index 930c2ac405e5..11ce3c4589fa 100644
--- a/sound/pci/cs5535audio/cs5535audio.c
+++ b/sound/pci/cs5535audio/cs5535audio.c
@@ -138,7 +138,7 @@ static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_cs5535audio_ac97_codec_write,
 		.read = snd_cs5535audio_ac97_codec_read,
 	};
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index 90ae1c72d663..ddb7c2ce3f7c 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -718,7 +718,7 @@ static int snd_emu10k1x_ac97(struct emu10k1x *chip)
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_emu10k1x_ac97_write,
 		.read = snd_emu10k1x_ac97_read,
 	};
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index 7c0417253cb5..0b3dfc71fa69 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -1898,7 +1898,7 @@ int snd_emu10k1_mixer(struct snd_emu10k1 *emu,
 	if (emu->card_capabilities->ac97_chip) {
 		struct snd_ac97_bus *pbus;
 		struct snd_ac97_template ac97;
-		static struct snd_ac97_bus_ops ops = {
+		static const struct snd_ac97_bus_ops ops = {
 			.write = snd_emu10k1_ac97_write,
 			.read = snd_emu10k1_ac97_read,
 		};
diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c
index 7611e44e2af5..15e6d2377ecf 100644
--- a/sound/pci/ens1370.c
+++ b/sound/pci/ens1370.c
@@ -1596,7 +1596,7 @@ static int snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_es1371_codec_write,
 		.read = snd_es1371_codec_read,
 		.wait = snd_es1371_codec_wait,
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 43cfdf02048b..f23a935267c3 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -2007,7 +2007,7 @@ snd_es1968_mixer(struct es1968 *chip)
 	struct snd_ctl_elem_id elem_id;
 #endif
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_es1968_ac97_write,
 		.read = snd_es1968_ac97_read,
 	};
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index bb5cffee5dac..ae2b413ff489 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -1020,7 +1020,7 @@ static int snd_fm801_mixer(struct fm801 *chip)
 	struct snd_ac97_template ac97;
 	unsigned int i;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_fm801_codec_write,
 		.read = snd_fm801_codec_read,
 	};
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 15cb90dceeb8..9794bbedffc3 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -1464,11 +1464,11 @@ static int snd_ice1712_ac97_mixer(struct snd_ice1712 *ice)
 	int err, bus_num = 0;
 	struct snd_ac97_template ac97;
 	struct snd_ac97_bus *pbus;
-	static struct snd_ac97_bus_ops con_ops = {
+	static const struct snd_ac97_bus_ops con_ops = {
 		.write = snd_ice1712_ac97_write,
 		.read = snd_ice1712_ac97_read,
 	};
-	static struct snd_ac97_bus_ops pro_ops = {
+	static const struct snd_ac97_bus_ops pro_ops = {
 		.write = snd_ice1712_pro_ac97_write,
 		.read = snd_ice1712_pro_ac97_read,
 	};
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 628b0581a4ff..4630a8c42aa9 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -1463,7 +1463,7 @@ static int snd_vt1724_ac97_mixer(struct snd_ice1712 *ice)
 	if (!(ice->eeprom.data[ICE_EEP2_ACLINK] & VT1724_CFG_PRO_I2S)) {
 		struct snd_ac97_bus *pbus;
 		struct snd_ac97_template ac97;
-		static struct snd_ac97_bus_ops ops = {
+		static const struct snd_ac97_bus_ops ops = {
 			.write = snd_vt1724_ac97_write,
 			.read = snd_vt1724_ac97_read,
 		};
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 563f3a3e820e..de875ea8ecbe 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2138,12 +2138,12 @@ static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
 	int err;
 	unsigned int i, codecs;
 	unsigned int glob_sta = 0;
-	struct snd_ac97_bus_ops *ops;
-	static struct snd_ac97_bus_ops standard_bus_ops = {
+	const struct snd_ac97_bus_ops *ops;
+	static const struct snd_ac97_bus_ops standard_bus_ops = {
 		.write = snd_intel8x0_codec_write,
 		.read = snd_intel8x0_codec_read,
 	};
-	static struct snd_ac97_bus_ops ali_bus_ops = {
+	static const struct snd_ac97_bus_ops ali_bus_ops = {
 		.write = snd_intel8x0_ali_codec_write,
 		.read = snd_intel8x0_ali_codec_read,
 	};
diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index c6dc36167a01..74d45b9a1571 100644
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -801,7 +801,7 @@ static int snd_intel8x0m_mixer(struct intel8x0m *chip, int ac97_clock)
 	struct snd_ac97 *x97;
 	int err;
 	unsigned int glob_sta = 0;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_intel8x0m_codec_write,
 		.read = snd_intel8x0m_codec_read,
 	};
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index b94e3ec5f158..89018d44d777 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -2036,7 +2036,7 @@ static int snd_m3_mixer(struct snd_m3 *chip)
 	struct snd_ctl_elem_id elem_id;
 #endif
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_m3_ac97_write,
 		.read = snd_m3_ac97_read,
 	};
diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 003a09788572..99228b93b3c6 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -1309,7 +1309,7 @@ snd_nm256_mixer(struct nm256 *chip)
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.reset = snd_nm256_ac97_reset,
 		.write = snd_nm256_ac97_write,
 		.read = snd_nm256_ac97_read,
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 6617bc347bfb..625c85428955 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1963,7 +1963,7 @@ static int snd_riptide_mixer(struct snd_riptide *chip)
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err = 0;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_riptide_codec_write,
 		.read = snd_riptide_codec_read,
 	};
diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c
index 2e351bf1d792..4977ab0b8b3d 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -983,7 +983,7 @@ static int sis_mixer_create(struct sis7019 *sis)
 {
 	struct snd_ac97_bus *bus;
 	struct snd_ac97_template ac97;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = sis_ac97_write,
 		.read = sis_ac97_read,
 	};
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index ba4a9fcd5eba..6e50376163a2 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -2912,7 +2912,7 @@ static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
 	struct snd_kcontrol *kctl;
 	struct snd_ctl_elem_value *uctl;
 	int idx, err, retries = 2;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_trident_codec_write,
 		.read = snd_trident_codec_read,
 	};
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index 090b0c47fbdd..c8fb51885b6d 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -1868,7 +1868,7 @@ static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_overrid
 {
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_via82xx_codec_write,
 		.read = snd_via82xx_codec_read,
 		.wait = snd_via82xx_codec_wait,
diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index 7f138fa4e141..84e589803e2e 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -871,7 +871,7 @@ static int snd_via82xx_mixer_new(struct via82xx_modem *chip)
 {
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_via82xx_codec_write,
 		.read = snd_via82xx_codec_read,
 		.wait = snd_via82xx_codec_wait,
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 1d9295bb00a9..a531f4d2605d 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1780,7 +1780,7 @@ int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch)
 	struct snd_pcm_substream *substream;
 	unsigned int idx;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_ymfpci_codec_write,
 		.read = snd_ymfpci_codec_read,
 	};
