[PATCH v2 2/3] ASoC: rockchip: i2s-tdm: Use guard() for spin locks

[phucduc.bui at gmail.com]

From: bui duc phuc <phucduc.bui at 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 at gmail.com>
---

NOTE: This patch is compile-tested only.

 sound/soc/rockchip/rockchip_i2s_tdm.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index fc52149ed6ae..3f3db28b8940 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -285,9 +285,8 @@ static void rockchip_snd_txrxctrl(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai, int on)
 {
 	struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai);
-	unsigned long flags;
 
-	spin_lock_irqsave(&i2s_tdm->lock, flags);
+	guard(spinlock_irqsave)(&i2s_tdm->lock);
 	if (on) {
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 			rockchip_enable_tde(i2s_tdm->regmap);
@@ -313,7 +312,6 @@ static void rockchip_snd_txrxctrl(struct snd_pcm_substream *substream,
 						I2S_CLR_TXC | I2S_CLR_RXC);
 		}
 	}
-	spin_unlock_irqrestore(&i2s_tdm->lock, flags);
 }
 
 static void rockchip_snd_txctrl(struct rk_i2s_tdm_dev *i2s_tdm, int on)
@@ -587,12 +585,11 @@ static int rockchip_i2s_trcm_mode(struct snd_pcm_substream *substream,
 				  unsigned int fmt)
 {
 	struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai);
-	unsigned long flags;
 
 	if (!i2s_tdm->clk_trcm)
 		return 0;
 
-	spin_lock_irqsave(&i2s_tdm->lock, flags);
+	guard(spinlock_irqsave)(&i2s_tdm->lock);
 	if (i2s_tdm->refcount)
 		rockchip_i2s_tdm_xfer_pause(substream, i2s_tdm);
 
@@ -614,7 +611,6 @@ static int rockchip_i2s_trcm_mode(struct snd_pcm_substream *substream,
 
 	if (i2s_tdm->refcount)
 		rockchip_i2s_tdm_xfer_resume(substream, i2s_tdm);
-	spin_unlock_irqrestore(&i2s_tdm->lock, flags);
 
 	return 0;
 }
-- 
2.43.0