[PATCH 3/5] ASoC: samsung: odroid: Use guard() for spin locks

[phucduc.bui@gmail.com]

From: bui duc phuc <phucduc.bui@gmail.com>

Clean up the code using guard() for spin locks.
Merely code refactoring, and no behavior change.

Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
---
 sound/soc/samsung/odroid.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c
index ab3398f39f4a..5c5ecbea5331 100644
--- a/sound/soc/samsung/odroid.c
+++ b/sound/soc/samsung/odroid.c
@@ -36,15 +36,12 @@ static int odroid_card_fe_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card);
-	unsigned long flags;
-	int ret = 0;
 
-	spin_lock_irqsave(&priv->lock, flags);
+	guard(spinlock_irqsave)(&priv->lock);
 	if (priv->be_active && priv->be_sample_rate != params_rate(params))
-		ret = -EINVAL;
-	spin_unlock_irqrestore(&priv->lock, flags);
+		return -EINVAL;
 
-	return ret;
+	return 0;
 }
 
 static const struct snd_soc_ops odroid_card_fe_ops = {
@@ -58,7 +55,6 @@ static int odroid_card_be_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card);
 	unsigned int pll_freq, rclk_freq, rfs;
-	unsigned long flags;
 	int ret;
 
 	switch (params_rate(params)) {
@@ -105,10 +101,8 @@ static int odroid_card_be_hw_params(struct snd_pcm_substream *substream,
 			return ret;
 	}
 
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->be_sample_rate = params_rate(params);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
+	scoped_guard(spinlock_irqsave, &priv->lock)
+		priv->be_sample_rate = params_rate(params);
 	return 0;
 }
 
@@ -116,9 +110,8 @@ static int odroid_card_be_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card);
-	unsigned long flags;
 
-	spin_lock_irqsave(&priv->lock, flags);
+	guard(spinlock_irqsave)(&priv->lock);
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
@@ -134,8 +127,6 @@ static int odroid_card_be_trigger(struct snd_pcm_substream *substream, int cmd)
 		break;
 	}
 
-	spin_unlock_irqrestore(&priv->lock, flags);
-
 	return 0;
 }
 
-- 
2.43.0