ASoC: mediatek: mt8195: simplify error handling

cppcheck warnings:

sound/soc/mediatek/mt8195/mt8195-afe-clk.c:311:9: warning: Identical
condition and return expression 'ret', return value is always 0
[identicalConditionAfterEarlyExit]
 return ret;
        ^
sound/soc/mediatek/mt8195/mt8195-afe-clk.c:297:6: note: If condition
'ret' is true, the function will return/exit
 if (ret)
     ^
sound/soc/mediatek/mt8195/mt8195-afe-clk.c:311:9: note: Returning
identical expression 'ret'
 return ret;
        ^
sound/soc/mediatek/mt8195/mt8195-afe-clk.c:341:9: warning: Identical
condition and return expression 'ret', return value is always 0
[identicalConditionAfterEarlyExit]
 return ret;
        ^
sound/soc/mediatek/mt8195/mt8195-afe-clk.c:338:6: note: If condition
'ret' is true, the function will return/exit
if (ret)
     ^
sound/soc/mediatek/mt8195/mt8195-afe-clk.c:341:9: note: Returning
identical expression 'ret'
return ret;
        ^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220520211719.607543-12-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/mediatek/mt8195/mt8195-afe-clk.c b/sound/soc/mediatek/mt8195/mt8195-afe-clk.c
index efd5cc3..2ee3872 100644 (file)
--- a/sound/soc/mediatek/mt8195/mt8195-afe-clk.c
+++ b/sound/soc/mediatek/mt8195/mt8195-afe-clk.c
@@ -284,7 +284,7 @@ static int mt8195_afe_enable_apll_tuner(struct mtk_base_afe *afe,
 {
        struct mt8195_afe_tuner_cfg *cfg = mt8195_afe_found_apll_tuner(id);
        unsigned long flags;
-       int ret = 0;
+       int ret;
 
        if (!cfg)
                return -EINVAL;
@@ -308,7 +308,7 @@ static int mt8195_afe_enable_apll_tuner(struct mtk_base_afe *afe,
 
        spin_unlock_irqrestore(&cfg->ctrl_lock, flags);
 
-       return ret;
+       return 0;
 }
 
 static int mt8195_afe_disable_apll_tuner(struct mtk_base_afe *afe,
@@ -316,7 +316,7 @@ static int mt8195_afe_disable_apll_tuner(struct mtk_base_afe *afe,
 {
        struct mt8195_afe_tuner_cfg *cfg = mt8195_afe_found_apll_tuner(id);
        unsigned long flags;
-       int ret = 0;
+       int ret;
 
        if (!cfg)
                return -EINVAL;
@@ -338,7 +338,7 @@ static int mt8195_afe_disable_apll_tuner(struct mtk_base_afe *afe,
        if (ret)
                return ret;
 
-       return ret;
+       return 0;
 }
 
 int mt8195_afe_get_mclk_source_clk_id(int sel)