ASoC: apple: mca: Use guard() for mutex locks

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

Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260423125154.156257-1-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/apple/mca.c b/sound/soc/apple/mca.c
index 39269cc7def627b137d3eda27a6dc48b020f0017..492165c0e1ea97117c4c4630bb24f4c7602426aa 100644 (file)
--- a/sound/soc/apple/mca.c
+++ b/sound/soc/apple/mca.c
@@ -307,7 +307,7 @@ static bool mca_fe_clocks_in_use(struct mca_cluster *cl)
        struct mca_cluster *be_cl;
        int stream, i;
 
-       mutex_lock(&mca->port_mutex);
+       guard(mutex)(&mca->port_mutex);
        for (i = 0; i < mca->nclusters; i++) {
                be_cl = &mca->clusters[i];
 
@@ -316,12 +316,10 @@ static bool mca_fe_clocks_in_use(struct mca_cluster *cl)
 
                for_each_pcm_streams(stream) {
                        if (be_cl->clocks_in_use[stream]) {
-                               mutex_unlock(&mca->port_mutex);
                                return true;
                        }
                }
        }
-       mutex_unlock(&mca->port_mutex);
        return false;
 }
 
@@ -765,9 +763,8 @@ static int mca_be_startup(struct snd_pcm_substream *substream,
                       cl->base + REG_PORT_CLOCK_SEL);
        writel_relaxed(PORT_DATA_SEL_TXA(fe_cl->no),
                       cl->base + REG_PORT_DATA_SEL);
-       mutex_lock(&mca->port_mutex);
-       cl->port_driver = fe_cl->no;
-       mutex_unlock(&mca->port_mutex);
+       scoped_guard(mutex, &mca->port_mutex)
+               cl->port_driver = fe_cl->no;
        cl->port_started[substream->stream] = true;
 
        return 0;
@@ -788,9 +785,8 @@ static void mca_be_shutdown(struct snd_pcm_substream *substream,
                 */
                writel_relaxed(0, cl->base + REG_PORT_ENABLES);
                writel_relaxed(0, cl->base + REG_PORT_DATA_SEL);
-               mutex_lock(&mca->port_mutex);
-               cl->port_driver = -1;
-               mutex_unlock(&mca->port_mutex);
+               scoped_guard(mutex, &mca->port_mutex)
+                       cl->port_driver = -1;
        }
 }