diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c
index 7b14d9a81b97..1acd20439399 100644
--- a/sound/soc/amd/renoir/acp3x-pdm-dma.c
+++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c
@@ -129,7 +129,6 @@ static int start_pdm_dma(void __iomem *acp_base)
 	enable_pdm_clock(acp_base);
 	rn_writel(pdm_enable, acp_base + ACP_WOV_PDM_ENABLE);
 	rn_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE);
-	pdm_dma_enable = 0x00;
 	timeout = 0;
 	while (++timeout < ACP_COUNTER) {
 		pdm_dma_enable = rn_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE);
@@ -153,7 +152,6 @@ static int stop_pdm_dma(void __iomem *acp_base)
 	if (pdm_dma_enable & 0x01) {
 		pdm_dma_enable = 0x02;
 		rn_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE);
-		pdm_dma_enable = 0x00;
 		timeout = 0;
 		while (++timeout < ACP_COUNTER) {
 			pdm_dma_enable = rn_readl(acp_base +
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index b1a28a9382fb..6023369e0f1a 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -48,7 +48,7 @@ static struct atmel_classd_pdata *atmel_classd_dt_init(struct device *dev)
 {
 	struct device_node *np = dev->of_node;
 	struct atmel_classd_pdata *pdata;
-	const char *pwm_type;
+	const char *pwm_type_s;
 	int ret;
 
 	if (!np) {
@@ -60,8 +60,8 @@ static struct atmel_classd_pdata *atmel_classd_dt_init(struct device *dev)
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
-	ret = of_property_read_string(np, "atmel,pwm-type", &pwm_type);
-	if ((ret == 0) && (strcmp(pwm_type, "diff") == 0))
+	ret = of_property_read_string(np, "atmel,pwm-type", &pwm_type_s);
+	if ((ret == 0) && (strcmp(pwm_type_s, "diff") == 0))
 		pdata->pwm_type = CLASSD_MR_PWMTYP_DIFF;
 	else
 		pdata->pwm_type = CLASSD_MR_PWMTYP_SINGLE;
diff --git a/sound/soc/atmel/atmel-i2s.c b/sound/soc/atmel/atmel-i2s.c
index 7c6187e41f2b..584656cc7d3c 100644
--- a/sound/soc/atmel/atmel-i2s.c
+++ b/sound/soc/atmel/atmel-i2s.c
@@ -595,7 +595,7 @@ static int atmel_i2s_probe(struct platform_device *pdev)
 	struct regmap *regmap;
 	void __iomem *base;
 	int irq;
-	int err = -ENXIO;
+	int err;
 	unsigned int pcm_flags = 0;
 	unsigned int version;
 
diff --git a/sound/soc/bcm/cygnus-ssp.c b/sound/soc/bcm/cygnus-ssp.c
index 6e634b448293..fea296b41a43 100644
--- a/sound/soc/bcm/cygnus-ssp.c
+++ b/sound/soc/bcm/cygnus-ssp.c
@@ -1310,7 +1310,7 @@ static int cygnus_ssp_probe(struct platform_device *pdev)
 	struct device_node *child_node;
 	struct resource *res;
 	struct cygnus_audio *cygaud;
-	int err = -EINVAL;
+	int err;
 	int node_count;
 	int active_port_count;
 
diff --git a/sound/soc/meson/axg-tdmin.c b/sound/soc/meson/axg-tdmin.c
index b4faf9d5c1aa..49b613a1faf2 100644
--- a/sound/soc/meson/axg-tdmin.c
+++ b/sound/soc/meson/axg-tdmin.c
@@ -57,7 +57,7 @@ static const struct snd_kcontrol_new axg_tdmin_in_mux =
 static struct snd_soc_dai *
 axg_tdmin_get_be(struct snd_soc_dapm_widget *w)
 {
-	struct snd_soc_dapm_path *p = NULL;
+	struct snd_soc_dapm_path *p;
 	struct snd_soc_dai *be;
 
 	snd_soc_dapm_widget_for_each_source_path(w, p) {
diff --git a/sound/soc/meson/axg-tdmout.c b/sound/soc/meson/axg-tdmout.c
index 3ceabddae629..22d519fc07b2 100644
--- a/sound/soc/meson/axg-tdmout.c
+++ b/sound/soc/meson/axg-tdmout.c
@@ -55,7 +55,7 @@ static const struct regmap_config axg_tdmout_regmap_cfg = {
 static struct snd_soc_dai *
 axg_tdmout_get_be(struct snd_soc_dapm_widget *w)
 {
-	struct snd_soc_dapm_path *p = NULL;
+	struct snd_soc_dapm_path *p;
 	struct snd_soc_dai *be;
 
 	snd_soc_dapm_widget_for_each_sink_path(w, p) {
diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 53fc49e32fbc..5d520e18e512 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -204,7 +204,7 @@ static int mmp_pcm_new(struct snd_soc_component *component,
 {
 	struct snd_pcm_substream *substream;
 	struct snd_pcm *pcm = rtd->pcm;
-	int ret = 0, stream;
+	int ret, stream;
 
 	for (stream = 0; stream < 2; stream++) {
 		substream = pcm->streams[stream].substream;
diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c
index 7b9169f04d6e..67315d9b352d 100644
--- a/sound/soc/sti/sti_uniperif.c
+++ b/sound/soc/sti/sti_uniperif.c
@@ -484,6 +484,8 @@ static int sti_uniperiph_probe(struct platform_device *pdev)
 	priv->pdev = pdev;
 
 	ret = sti_uniperiph_cpu_dai_of(node, priv);
+	if (ret < 0)
+		return ret;
 
 	dev_set_drvdata(&pdev->dev, priv);
 
diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h
index a16adeb7c1e9..2a5de328501c 100644
--- a/sound/soc/sti/uniperif.h
+++ b/sound/soc/sti/uniperif.h
@@ -1372,12 +1372,12 @@ static __maybe_unused const struct snd_pcm_hardware uni_tdm_hw = {
 
 /* uniperiph player*/
 int uni_player_init(struct platform_device *pdev,
-		    struct uniperif *uni_player);
+		    struct uniperif *player);
 int uni_player_resume(struct uniperif *player);
 
 /* uniperiph reader */
 int uni_reader_init(struct platform_device *pdev,
-		    struct uniperif *uni_reader);
+		    struct uniperif *reader);
 
 /* common */
 int sti_uniperiph_dai_set_fmt(struct snd_soc_dai *dai,
diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c
index 47fae8dd20b4..e6078f50e508 100644
--- a/sound/soc/stm/stm32_adfsdm.c
+++ b/sound/soc/stm/stm32_adfsdm.c
@@ -117,7 +117,7 @@ static int stm32_adfsdm_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 
 	/* Set IIO frequency if CODEC is master as clock comes from SPI_IN */
 
-	snprintf(str_freq, sizeof(str_freq), "%d\n", freq);
+	snprintf(str_freq, sizeof(str_freq), "%u\n", freq);
 	size = iio_write_channel_ext_info(priv->iio_ch, "spi_clk_freq",
 					  str_freq, sizeof(str_freq));
 	if (size != sizeof(str_freq)) {
diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c
index 460924fc173f..518bfb724a5b 100644
--- a/sound/soc/sunxi/sun8i-codec.c
+++ b/sound/soc/sunxi/sun8i-codec.c
@@ -485,7 +485,7 @@ static int sun8i_codec_get_lrck_div_order(unsigned int slots,
 
 static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate)
 {
-	return sample_rate % 4000 ? 22579200 : 24576000;
+	return (sample_rate % 4000) ? 22579200 : 24576000;
 }
 
 static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
diff --git a/sound/soc/tegra/tegra20_das.c b/sound/soc/tegra/tegra20_das.c
index 79dba878d854..69c651274c12 100644
--- a/sound/soc/tegra/tegra20_das.c
+++ b/sound/soc/tegra/tegra20_das.c
@@ -61,10 +61,10 @@ int tegra20_das_connect_dap_to_dap(int dap, int otherdap, int master,
 
 	addr = TEGRA20_DAS_DAP_CTRL_SEL +
 		(dap * TEGRA20_DAS_DAP_CTRL_SEL_STRIDE);
-	reg = otherdap << TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P |
-		!!sdata2rx << TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P |
-		!!sdata1rx << TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P |
-		!!master << TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P;
+	reg = (otherdap << TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P) |
+		(!!sdata2rx << TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P) |
+		(!!sdata1rx << TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P) |
+		(!!master << TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P);
 
 	tegra20_das_write(addr, reg);
 
diff --git a/sound/soc/tegra/tegra20_das.h b/sound/soc/tegra/tegra20_das.h
index d22abc4d08e6..18e832ded73a 100644
--- a/sound/soc/tegra/tegra20_das.h
+++ b/sound/soc/tegra/tegra20_das.h
@@ -95,7 +95,7 @@ struct tegra20_das {
  * dap_id: DAP to connect: TEGRA20_DAS_DAP_ID_*
  * dac_sel: DAC to connect to: TEGRA20_DAS_DAP_SEL_DAC*
  */
-extern int tegra20_das_connect_dap_to_dac(int dap_id, int dac_sel);
+extern int tegra20_das_connect_dap_to_dac(int dap, int dac);
 
 /*
  * Connect a DAP to another DAP
@@ -105,7 +105,7 @@ extern int tegra20_das_connect_dap_to_dac(int dap_id, int dac_sel);
  * sdata1rx: Is this DAP's SDATA1 pin RX (1) or TX (0)
  * sdata2rx: Is this DAP's SDATA2 pin RX (1) or TX (0)
  */
-extern int tegra20_das_connect_dap_to_dap(int dap_id, int other_dap_sel,
+extern int tegra20_das_connect_dap_to_dap(int dap, int otherdap,
 					  int master, int sdata1rx,
 					  int sdata2rx);
 
@@ -115,6 +115,6 @@ extern int tegra20_das_connect_dap_to_dap(int dap_id, int other_dap_sel,
  * dac_id: DAC ID to connect: TEGRA20_DAS_DAC_ID_*
  * dap_sel: DAP to receive input from: TEGRA20_DAS_DAC_SEL_DAP*
  */
-extern int tegra20_das_connect_dac_to_dap(int dac_id, int dap_sel);
+extern int tegra20_das_connect_dac_to_dap(int dac, int dap);
 
 #endif
diff --git a/sound/soc/ti/omap-abe-twl6040.c b/sound/soc/ti/omap-abe-twl6040.c
index 16ea039ff865..91cc9a4f44d7 100644
--- a/sound/soc/ti/omap-abe-twl6040.c
+++ b/sound/soc/ti/omap-abe-twl6040.c
@@ -170,7 +170,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_card *card = rtd->card;
 	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
 	int hs_trim;
-	int ret = 0;
+	int ret;
 
 	/*
 	 * Configure McPDM offset cancellation based on the HSOTRIM value from
diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c
index 6025b30bbe77..db47981768c5 100644
--- a/sound/soc/ti/omap-mcbsp.c
+++ b/sound/soc/ti/omap-mcbsp.c
@@ -373,10 +373,9 @@ static void omap_mcbsp_free(struct omap_mcbsp *mcbsp)
 		MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
 
 	/* Disable interrupt requests */
-	if (mcbsp->irq)
+	if (mcbsp->irq) {
 		MCBSP_WRITE(mcbsp, IRQEN, 0);
 
-	if (mcbsp->irq) {
 		free_irq(mcbsp->irq, (void *)mcbsp);
 	} else {
 		free_irq(mcbsp->rx_irq, (void *)mcbsp);
diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c
index cdae1190b930..4f41bb0ab2b0 100644
--- a/sound/soc/ux500/mop500.c
+++ b/sound/soc/ux500/mop500.c
@@ -140,12 +140,12 @@ static int mop500_probe(struct platform_device *pdev)
 
 static int mop500_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *mop500_card = platform_get_drvdata(pdev);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
 
 	pr_debug("%s: Enter.\n", __func__);
 
-	snd_soc_unregister_card(mop500_card);
-	mop500_ab8500_remove(mop500_card);
+	snd_soc_unregister_card(card);
+	mop500_ab8500_remove(card);
 	mop500_of_node_put();
 
 	return 0;
diff --git a/sound/soc/ux500/mop500_ab8500.h b/sound/soc/ux500/mop500_ab8500.h
index 99cfd972ea7a..8138a4e9aaf5 100644
--- a/sound/soc/ux500/mop500_ab8500.h
+++ b/sound/soc/ux500/mop500_ab8500.h
@@ -13,7 +13,7 @@
 
 extern struct snd_soc_ops mop500_ab8500_ops[];
 
-int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *runtime);
+int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd);
 void mop500_ab8500_remove(struct snd_soc_card *card);
 
 #endif