[PATCH 51/78] ASoC: codecs: rt722: Use guard() for mutex locks

[phucduc.bui at gmail.com]

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

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

Signed-off-by: bui duc phuc <phucduc.bui at gmail.com>
---
 sound/soc/codecs/rt722-sdca-sdw.c | 33 +++++++++++++++----------------
 sound/soc/codecs/rt722-sdca.c     |  3 +--
 2 files changed, 17 insertions(+), 19 deletions(-)

diff --git a/sound/soc/codecs/rt722-sdca-sdw.c b/sound/soc/codecs/rt722-sdca-sdw.c
index 0f76492ff915..ca5a4ee6ce9e 100644
--- a/sound/soc/codecs/rt722-sdca-sdw.c
+++ b/sound/soc/codecs/rt722-sdca-sdw.c
@@ -368,7 +368,7 @@ static int rt722_sdca_interrupt_callback(struct sdw_slave *slave,
 	 * scheme. We do want however to prevent new workqueues from being scheduled if
 	 * the disable_irq flag was set during system suspend.
 	 */
-	mutex_lock(&rt722->disable_irq_lock);
+	guard(mutex)(&rt722->disable_irq_lock);
 
 	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);
 	if (ret < 0)
@@ -432,12 +432,9 @@ static int rt722_sdca_interrupt_callback(struct sdw_slave *slave,
 		mod_delayed_work(system_power_efficient_wq,
 			&rt722->jack_detect_work, msecs_to_jiffies(280));
 
-	mutex_unlock(&rt722->disable_irq_lock);
-
 	return 0;
 
 io_error:
-	mutex_unlock(&rt722->disable_irq_lock);
 	pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
 	return ret;
 }
@@ -514,13 +511,13 @@ static int rt722_sdca_dev_system_suspend(struct device *dev)
 	 * deferred work completes and before the parent disables
 	 * interrupts on the link
 	 */
-	mutex_lock(&rt722_sdca->disable_irq_lock);
-	rt722_sdca->disable_irq = true;
-	ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
-				SDW_SCP_SDCA_INTMASK_SDCA_0, 0);
-	ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
-				SDW_SCP_SDCA_INTMASK_SDCA_8, 0);
-	mutex_unlock(&rt722_sdca->disable_irq_lock);
+	scoped_guard(mutex, &rt722_sdca->disable_irq_lock) {
+		rt722_sdca->disable_irq = true;
+		ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
+					SDW_SCP_SDCA_INTMASK_SDCA_0, 0);
+		ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
+					SDW_SCP_SDCA_INTMASK_SDCA_8, 0);
+	}
 
 	if (ret1 < 0 || ret2 < 0) {
 		/* log but don't prevent suspend from happening */
@@ -542,13 +539,15 @@ static int rt722_sdca_dev_resume(struct device *dev)
 		return 0;
 
 	if (!slave->unattach_request) {
-		mutex_lock(&rt722->disable_irq_lock);
-		if (rt722->disable_irq == true) {
-			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);
-			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
-			rt722->disable_irq = false;
+		scoped_guard(mutex, &rt722->disable_irq_lock) {
+			if (rt722->disable_irq == true) {
+				sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
+						SDW_SCP_SDCA_INTMASK_SDCA_0);
+				sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
+						SDW_SCP_SDCA_INTMASK_SDCA_8);
+				rt722->disable_irq = false;
+			}
 		}
-		mutex_unlock(&rt722->disable_irq_lock);
 	}
 
 	ret = sdw_slave_wait_for_init(slave, RT722_PROBE_TIMEOUT);
diff --git a/sound/soc/codecs/rt722-sdca.c b/sound/soc/codecs/rt722-sdca.c
index 1b6729f363fc..5fb5dc2ee3b4 100644
--- a/sound/soc/codecs/rt722-sdca.c
+++ b/sound/soc/codecs/rt722-sdca.c
@@ -294,7 +294,7 @@ static void rt722_sdca_btn_check_handler(struct work_struct *work)
 
 static void rt722_sdca_jack_init(struct rt722_sdca_priv *rt722)
 {
-	mutex_lock(&rt722->calibrate_mutex);
+	guard(mutex)(&rt722->calibrate_mutex);
 	if (rt722->hs_jack) {
 		/* set SCP_SDCA_IntMask1[0]=1 */
 		sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK1,
@@ -317,7 +317,6 @@ static void rt722_sdca_jack_init(struct rt722_sdca_priv *rt722)
 		rt722_sdca_index_update_bits(rt722, RT722_VENDOR_HDA_CTL,
 			RT722_GE_RELATED_CTL2, 0x4000, 0x4000);
 	}
-	mutex_unlock(&rt722->calibrate_mutex);
 }
 
 static int rt722_sdca_set_jack_detect(struct snd_soc_component *component,
-- 
2.43.0