[PATCH 3/9] staging: bcm2835-audio: reorder variable declarations & remove trivial comments

Nicolas Saenz Julienne
2018-10-16T15:04:03Z

When it comes to declaring variables it's preferred, when possible, to
use an inverted tree organization scheme.

Also, removes some comments that were useless.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
.../vc04_services/bcm2835-audio/bcm2835-pcm.c | 10 ++--------
.../vc04_services/bcm2835-audio/bcm2835-vchiq.c | 4 ++--
.../staging/vc04_services/bcm2835-audio/bcm2835.c | 14 +++++++-------
3 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
index e66da11af5cf..98b6977bdce7 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -164,14 +164,11 @@ static int snd_bcm2835_playback_spdif_open(struct snd_pcm_substream *substream)
return snd_bcm2835_playback_open_generic(substream, 1);
}

-/* close callback */
static int snd_bcm2835_playback_close(struct snd_pcm_substream *substream)
{
- /* the hardware-specific codes will be here */
-
- struct bcm2835_chip *chip;
- struct snd_pcm_runtime *runtime;
struct bcm2835_alsa_stream *alsa_stream;
+ struct snd_pcm_runtime *runtime;
+ struct bcm2835_chip *chip;

chip = snd_pcm_substream_chip(substream);
mutex_lock(&chip->audio_mutex);
@@ -195,20 +192,17 @@ static int snd_bcm2835_playback_close(struct snd_pcm_substream *substream)
return 0;
}

-/* hw_params callback */
static int snd_bcm2835_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
}

-/* hw_free callback */
static int snd_bcm2835_pcm_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}

-/* prepare callback */
static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream)
{
struct bcm2835_chip *chip = snd_pcm_substream_chip(substream);
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index aca7008e1921..932ef12ac5d2 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -94,9 +94,9 @@ static void audio_vchi_callback(void *param,
void *msg_handle)
{
struct bcm2835_audio_instance *instance = param;
- int status;
- int msg_len;
struct vc_audio_msg m;
+ int msg_len;
+ int status;

if (reason != VCHI_CALLBACK_MSG_AVAILABLE)
return;
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
index 0efae7068fef..6ee8334dfc81 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
@@ -161,8 +161,8 @@ static int snd_add_child_device(struct device *dev,
struct bcm2835_audio_driver *audio_driver,
u32 numchans)
{
- struct snd_card *card;
struct bcm2835_chip *chip;
+ struct snd_card *card;
int err;

err = snd_card_new(dev, -1, NULL, THIS_MODULE, sizeof(*chip), &card);
@@ -225,12 +225,12 @@ static int snd_add_child_device(struct device *dev,

static int snd_add_child_devices(struct device *device, u32 numchans)
{
- int i;
- int count_devices = 0;
- int minchannels = 0;
- int extrachannels = 0;
int extrachannels_per_driver = 0;
int extrachannels_remainder = 0;
+ int count_devices = 0;
+ int extrachannels = 0;
+ int minchannels = 0;
+ int i;

for (i = 0; i < ARRAY_SIZE(children_devices); i++)
if (*children_devices[i].is_enabled)
@@ -258,9 +258,9 @@ static int snd_add_child_devices(struct device *device, u32 numchans)
extrachannels_remainder);

for (i = 0; i < ARRAY_SIZE(children_devices); i++) {
- int err;
- int numchannels_this_device;
struct bcm2835_audio_driver *audio_driver;
+ int numchannels_this_device;
+ int err;

if (!*children_devices[i].is_enabled)
continue;
--
2.19.1