[PATCH 2/2] staging: bcm2835-audio: clean code style warnings

[Adrien Thierry]

Clean a few minor code style warnings.

Reported by checkpatch:

CHECK: Lines should not end with a '('
FILE: drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c:85:

CHECK: No space is necessary after a cast
FILE: drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c:240:

CHECK: struct mutex definition without comment
FILE: drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c:14:

CHECK: struct mutex definition without comment
FILE: drivers/staging/vc04_services/bcm2835-audio/bcm2835.h:64:

Signed-off-by: Adrien Thierry <athierry@xxxxxxxxxx>
---
 drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c   | 5 ++---
 drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c | 2 +-
 drivers/staging/vc04_services/bcm2835-audio/bcm2835.h       | 2 +-
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
index f2ef1d641e70..68e8d491a7ec 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -82,8 +82,7 @@ void bcm2835_playback_fifo(struct bcm2835_alsa_stream *alsa_stream,
 }
 
 /* open callback */
-static int snd_bcm2835_playback_open_generic(
-	struct snd_pcm_substream *substream, int spdif)
+static int snd_bcm2835_playback_open_generic(struct snd_pcm_substream *substream, int spdif)
 {
 	struct bcm2835_chip *chip = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
@@ -237,7 +236,7 @@ static void snd_bcm2835_pcm_transfer(struct snd_pcm_substream *substream,
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct bcm2835_alsa_stream *alsa_stream = runtime->private_data;
-	void *src = (void *) (substream->runtime->dma_area + rec->sw_data);
+	void *src = (void *)(substream->runtime->dma_area + rec->sw_data);
 
 	bcm2835_audio_write(alsa_stream, bytes, src);
 }
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index d567a2e3f70c..e429b33b4d39 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -11,7 +11,7 @@ struct bcm2835_audio_instance {
 	struct device *dev;
 	unsigned int service_handle;
 	struct completion msg_avail_comp;
-	struct mutex vchi_mutex;
+	struct mutex vchi_mutex; /* Serialize vchiq access */
 	struct bcm2835_alsa_stream *alsa_stream;
 	int result;
 	unsigned int max_packet;
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
index 51066ac8eea5..38b7451d77b2 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
@@ -61,7 +61,7 @@ struct bcm2835_chip {
 
 	unsigned int opened;
 	unsigned int spdif_status;
-	struct mutex audio_mutex;
+	struct mutex audio_mutex; /* Serialize chip data access */
 
 	struct bcm2835_vchi_ctx *vchi_ctx;
 };
-- 
2.35.1