diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index c95f007cede1..5525e1ccab76 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -113,13 +113,6 @@ enum amic_idx {
 	AMIC_IDX_2
 };
 
-struct ab8500_codec_drvdata_dbg {
-	struct regulator *vaud;
-	struct regulator *vamic1;
-	struct regulator *vamic2;
-	struct regulator *vdmic;
-};
-
 /* Private data for AB8500 device-driver */
 struct ab8500_codec_drvdata {
 	struct regmap *regmap;
diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c
index a46152560294..08a5651bed9f 100644
--- a/sound/soc/codecs/ad1836.c
+++ b/sound/soc/codecs/ad1836.c
@@ -305,8 +305,6 @@ static int ad1836_probe(struct snd_soc_component *component)
 		return ret;
 
 	ret = snd_soc_dapm_add_routes(dapm, ad183x_adc_routes, num_adcs);
-	if (ret)
-		return ret;
 
 	return ret;
 }
diff --git a/sound/soc/codecs/adau1977.c b/sound/soc/codecs/adau1977.c
index 8260f49caa24..e347a48131d1 100644
--- a/sound/soc/codecs/adau1977.c
+++ b/sound/soc/codecs/adau1977.c
@@ -236,8 +236,6 @@ static int adau1977_reset(struct adau1977 *adau1977)
 	ret = regmap_write(adau1977->regmap, ADAU1977_REG_POWER,
 			ADAU1977_POWER_RESET);
 	regcache_cache_bypass(adau1977->regmap, false);
-	if (ret)
-		return ret;
 
 	return ret;
 }
diff --git a/sound/soc/codecs/cros_ec_codec.c b/sound/soc/codecs/cros_ec_codec.c
index c4772f82485a..a201d652aca2 100644
--- a/sound/soc/codecs/cros_ec_codec.c
+++ b/sound/soc/codecs/cros_ec_codec.c
@@ -94,7 +94,7 @@ static int send_ec_host_command(struct cros_ec_device *ec_dev, uint32_t cmd,
 	if (ret < 0)
 		goto error;
 
-	if (insize)
+	if (in && insize)
 		memcpy(in, msg->data, insize);
 
 	ret = 0;
diff --git a/sound/soc/codecs/cx2072x.c b/sound/soc/codecs/cx2072x.c
index 8ab22815c2c9..d924e3528029 100644
--- a/sound/soc/codecs/cx2072x.c
+++ b/sound/soc/codecs/cx2072x.c
@@ -827,9 +827,6 @@ static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x)
 	}
 	regdbt2.r.i2s_bclk_invert = is_bclk_inv;
 
-	reg1.r.rx_data_one_line = 1;
-	reg1.r.tx_data_one_line = 1;
-
 	/* Configures the BCLK output */
 	bclk_rate = cx2072x->sample_rate * frame_len;
 	reg5.r.i2s_pcm_clk_div_chan_en = 0;
@@ -1433,11 +1430,11 @@ static int cx2072x_jack_status_check(void *data)
 			state |= SND_JACK_HEADSET;
 			if (type & 0x2)
 				state |= SND_JACK_BTN_0;
-		} else if (type & 0x4) {
-			/* Nokia headset */
-			state |= SND_JACK_HEADPHONE;
 		} else {
-			/* Headphone */
+			/*
+			 * Nokia headset (type & 0x4) and
+			 * regular Headphone
+			 */
 			state |= SND_JACK_HEADPHONE;
 		}
 	}
diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index 48081d71c22c..7998fdd3b378 100644
--- a/sound/soc/codecs/da7219-aad.c
+++ b/sound/soc/codecs/da7219-aad.c
@@ -115,7 +115,7 @@ static void da7219_aad_hptest_work(struct work_struct *work)
 
 	__le16 tonegen_freq_hptest;
 	u8 pll_srm_sts, pll_ctrl, gain_ramp_ctrl, accdet_cfg8;
-	int report = 0, ret = 0;
+	int report = 0, ret;
 
 	/* Lock DAPM, Kcontrols affected by this test and the PLL */
 	snd_soc_dapm_mutex_lock(dapm);
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index 2c1305bf0572..66408a98298b 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -523,7 +523,7 @@ static struct hdac_hdmi_port *hdac_hdmi_get_port_from_cvt(
 			struct hdac_hdmi_cvt *cvt)
 {
 	struct hdac_hdmi_pcm *pcm;
-	struct hdac_hdmi_port *port = NULL;
+	struct hdac_hdmi_port *port;
 	int ret, i;
 
 	list_for_each_entry(pcm, &hdmi->pcm_list, head) {
@@ -713,7 +713,7 @@ static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_device *hdev,
 					struct hdac_hdmi_port *port)
 {
 	struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
-	struct hdac_hdmi_pcm *pcm = NULL;
+	struct hdac_hdmi_pcm *pcm;
 	struct hdac_hdmi_port *p;
 
 	list_for_each_entry(pcm, &hdmi->pcm_list, head) {
@@ -900,7 +900,7 @@ static int hdac_hdmi_set_pin_port_mux(struct snd_kcontrol *kcontrol,
 	struct hdac_hdmi_port *port = w->priv;
 	struct hdac_device *hdev = dev_to_hdac_dev(dapm->dev);
 	struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
-	struct hdac_hdmi_pcm *pcm = NULL;
+	struct hdac_hdmi_pcm *pcm;
 	const char *cvt_name =  e->texts[ucontrol->value.enumerated.item[0]];
 
 	ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
@@ -1693,7 +1693,7 @@ static void hdac_hdmi_eld_notify_cb(void *aptr, int port, int pipe)
 {
 	struct hdac_device *hdev = aptr;
 	struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
-	struct hdac_hdmi_pin *pin = NULL;
+	struct hdac_hdmi_pin *pin;
 	struct hdac_hdmi_port *hport = NULL;
 	struct snd_soc_component *component = hdmi->component;
 	int i;
@@ -1958,7 +1958,7 @@ static int hdmi_codec_probe(struct snd_soc_component *component)
 	struct hdac_device *hdev = hdmi->hdev;
 	struct snd_soc_dapm_context *dapm =
 		snd_soc_component_get_dapm(component);
-	struct hdac_ext_link *hlink = NULL;
+	struct hdac_ext_link *hlink;
 	int ret;
 
 	hdmi->component = component;
@@ -2227,7 +2227,7 @@ static int hdac_hdmi_runtime_suspend(struct device *dev)
 {
 	struct hdac_device *hdev = dev_to_hdac_dev(dev);
 	struct hdac_bus *bus = hdev->bus;
-	struct hdac_ext_link *hlink = NULL;
+	struct hdac_ext_link *hlink;
 
 	dev_dbg(dev, "Enter: %s\n", __func__);
 
@@ -2263,7 +2263,7 @@ static int hdac_hdmi_runtime_resume(struct device *dev)
 {
 	struct hdac_device *hdev = dev_to_hdac_dev(dev);
 	struct hdac_bus *bus = hdev->bus;
-	struct hdac_ext_link *hlink = NULL;
+	struct hdac_ext_link *hlink;
 
 	dev_dbg(dev, "Enter: %s\n", __func__);
 
diff --git a/sound/soc/codecs/hdac_hdmi.h b/sound/soc/codecs/hdac_hdmi.h
index 4fa2fc9ee893..493fa3b4ef75 100644
--- a/sound/soc/codecs/hdac_hdmi.h
+++ b/sound/soc/codecs/hdac_hdmi.h
@@ -2,7 +2,7 @@
 #ifndef __HDAC_HDMI_H__
 #define __HDAC_HDMI_H__
 
-int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int pcm,
+int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device,
 				struct snd_soc_jack *jack);
 
 int hdac_hdmi_jack_port_init(struct snd_soc_component *component,
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 422539f933de..1567ba196ab9 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -22,7 +22,6 @@
 
 struct hdmi_codec_channel_map_table {
 	unsigned char map;	/* ALSA API channel map position */
-	unsigned long spk_mask;		/* speaker position bit mask */
 };
 
 /*
@@ -735,7 +734,7 @@ static int hdmi_codec_set_jack(struct snd_soc_component *component,
 
 static int hdmi_dai_spdif_probe(struct snd_soc_dai *dai)
 {
-	struct hdmi_codec_daifmt *cf = dai->playback_dma_data;
+	struct hdmi_codec_daifmt *cf;
 	int ret;
 
 	ret = hdmi_dai_probe(dai);
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 06276ff5f8a3..bc30a1dc7530 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -1832,7 +1832,7 @@ static const struct dmic_table dmic_table[] = { /* One for each pclk freq. */
 static int max98090_find_divisor(int target_freq, int pclk)
 {
 	int current_diff = INT_MAX;
-	int test_diff = INT_MAX;
+	int test_diff;
 	int divisor_index = 0;
 	int i;
 
diff --git a/sound/soc/codecs/mt6358.c b/sound/soc/codecs/mt6358.c
index 1f39d5998cf6..9b263a9a669d 100644
--- a/sound/soc/codecs/mt6358.c
+++ b/sound/soc/codecs/mt6358.c
@@ -331,7 +331,7 @@ static void hp_zcd_disable(struct mt6358_priv *priv)
 
 static void hp_main_output_ramp(struct mt6358_priv *priv, bool up)
 {
-	int i = 0, stage = 0;
+	int i, stage;
 	int target = 7;
 
 	/* Enable/Reduce HPL/R main output stage step by step */
@@ -347,7 +347,7 @@ static void hp_main_output_ramp(struct mt6358_priv *priv, bool up)
 
 static void hp_aux_feedback_loop_gain_ramp(struct mt6358_priv *priv, bool up)
 {
-	int i = 0, stage = 0;
+	int i, stage;
 
 	/* Reduce HP aux feedback loop gain step by step */
 	for (i = 0; i <= 0xf; i++) {
diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c
index 6f4b1da52082..b909b36582b7 100644
--- a/sound/soc/codecs/mt6359.c
+++ b/sound/soc/codecs/mt6359.c
@@ -239,7 +239,7 @@ static void zcd_disable(struct mt6359_priv *priv)
 
 static void hp_main_output_ramp(struct mt6359_priv *priv, bool up)
 {
-	int i = 0, stage = 0;
+	int i, stage;
 	int target = 7;
 
 	/* Enable/Reduce HPL/R main output stage step by step */
@@ -257,7 +257,7 @@ static void hp_main_output_ramp(struct mt6359_priv *priv, bool up)
 
 static void hp_aux_feedback_loop_gain_ramp(struct mt6359_priv *priv, bool up)
 {
-	int i = 0, stage = 0;
+	int i, stage;
 	int target = 0xf;
 
 	/* Enable/Reduce HP aux feedback loop gain step by step */
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index e19db30c457b..67de0e49ccf4 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -2111,7 +2111,7 @@ static int nau8825_set_pll(struct snd_soc_component *component, int pll_id, int
 
 static int nau8825_mclk_prepare(struct nau8825 *nau8825, unsigned int freq)
 {
-	int ret = 0;
+	int ret;
 
 	nau8825->mclk = devm_clk_get(nau8825->dev, "mclk");
 	if (IS_ERR(nau8825->mclk)) {
diff --git a/sound/soc/codecs/pcm1681.c b/sound/soc/codecs/pcm1681.c
index 07ed8fded471..5b78e9299c95 100644
--- a/sound/soc/codecs/pcm1681.c
+++ b/sound/soc/codecs/pcm1681.c
@@ -84,7 +84,7 @@ static const int pcm1681_deemph[] = { 44100, 48000, 32000 };
 static int pcm1681_set_deemph(struct snd_soc_component *component)
 {
 	struct pcm1681_private *priv = snd_soc_component_get_drvdata(component);
-	int i = 0, val = -1, enable = 0;
+	int i, val = -1, enable = 0;
 
 	if (priv->deemph) {
 		for (i = 0; i < ARRAY_SIZE(pcm1681_deemph); i++) {
diff --git a/sound/soc/codecs/sigmadsp.h b/sound/soc/codecs/sigmadsp.h
index e3c9656e006d..d63b8c366efb 100644
--- a/sound/soc/codecs/sigmadsp.h
+++ b/sound/soc/codecs/sigmadsp.h
@@ -59,7 +59,7 @@ struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
 
 int sigmadsp_attach(struct sigmadsp *sigmadsp,
 	struct snd_soc_component *component);
-int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
+int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int samplerate);
 void sigmadsp_reset(struct sigmadsp *sigmadsp);
 
 #endif
diff --git a/sound/soc/codecs/sti-sas.c b/sound/soc/codecs/sti-sas.c
index ec9933b054ad..ffdf7e559515 100644
--- a/sound/soc/codecs/sti-sas.c
+++ b/sound/soc/codecs/sti-sas.c
@@ -51,14 +51,11 @@ static const struct reg_default stih407_sas_reg_defaults[] = {
 struct sti_dac_audio {
 	struct regmap *regmap;
 	struct regmap *virt_regmap;
-	struct regmap_field  **field;
-	struct reset_control *rst;
 	int mclk;
 };
 
 struct sti_spdif_audio {
 	struct regmap *regmap;
-	struct regmap_field  **field;
 	int mclk;
 };
 
diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c
index 19965fabe949..10302552195e 100644
--- a/sound/soc/codecs/tas2562.c
+++ b/sound/soc/codecs/tas2562.c
@@ -200,7 +200,6 @@ static int tas2562_set_dai_tdm_slot(struct snd_soc_dai *dai,
 			right_slot = left_slot;
 		} else {
 			right_slot = __ffs(tx_mask);
-			tx_mask &= ~(1 << right_slot);
 		}
 	}
 
@@ -527,7 +526,7 @@ static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol,
 
 	tas2562->volume_lvl = ucontrol->value.integer.value[0];
 
-	return ret;
+	return 0;
 }
 
 /* Digital Volume Control. From 0 dB to -110 dB in 1 dB steps */
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 15fca5109e14..781bf9cc4faa 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -106,7 +106,7 @@ static int tas2770_codec_suspend(struct snd_soc_component *component)
 static int tas2770_codec_resume(struct snd_soc_component *component)
 {
 	struct tas2770_priv *tas2770 = snd_soc_component_get_drvdata(component);
-	int ret = 0;
+	int ret;
 
 	if (tas2770->sdz_gpio) {
 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index d905e03aaec7..48572d66cb3b 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -1071,7 +1071,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream,
 			 */
 			dac33->nsample = period_size *
 				((dac33->alarm_threshold / period_size) +
-				(dac33->alarm_threshold % period_size ?
+				 ((dac33->alarm_threshold % period_size) ?
 				1 : 0));
 		else if (period_size > nsample_limit)
 			dac33->nsample = nsample_limit;
diff --git a/sound/soc/codecs/tscs454.c b/sound/soc/codecs/tscs454.c
index 1bafc9d1101c..43220bb36701 100644
--- a/sound/soc/codecs/tscs454.c
+++ b/sound/soc/codecs/tscs454.c
@@ -727,7 +727,12 @@ static int pll_power_event(struct snd_soc_dapm_widget *w,
 	if (enable)
 		val = pll1 ? FV_PLL1CLKEN_ENABLE : FV_PLL2CLKEN_ENABLE;
 	else
-		val = pll1 ? FV_PLL1CLKEN_DISABLE : FV_PLL2CLKEN_DISABLE;
+		/*
+		 * FV_PLL1CLKEN_DISABLE and FV_PLL2CLKEN_DISABLE are
+		 * identical zero vzalues, there is no need to test
+		 * the PLL index
+		 */
+		val = FV_PLL1CLKEN_DISABLE;
 
 	ret = snd_soc_component_update_bits(component, R_PLLCTL, msk, val);
 	if (ret < 0) {