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Mon, 12 Nov 2018 16:00:21 -0800 (PST) Message-ID: <1650188556670803023de0df9040efea86258b3c.camel@gmail.com> Subject: [PATCH] staging: vc04_services: bcm2835-audio: Fixed warnings From: Arnold Chand To: "eric@anholt.net" Cc: "stefan.wahren@i2se.com" , "gregkh@linuxfoundation.org" , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Date: Mon, 12 Nov 2018 19:00:20 -0500 Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fixed warnings provided by checkpatch.pl Signed-off-by: Arnold Chand --- .../vc04_services/bcm2835-audio/bcm2835-ctl.c | 18 +++--- .../vc04_services/bcm2835-audio/bcm2835-pcm.c | 25 ++++---- .../bcm2835-audio/bcm2835-vchiq.c | 59 ++++++++++--------- .../vc04_services/bcm2835-audio/bcm2835.h | 4 +- 4 files changed, 56 insertions(+), 50 deletions(-) diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c index a6ec72a5f0be..04df4e7a1d24 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c @@ -68,7 +68,7 @@ static int snd_bcm2835_ctl_get(struct snd_kcontrol *kcontrol, } static int snd_bcm2835_ctl_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct bcm2835_chip *chip = snd_kcontrol_chip(kcontrol); int val, *valp; @@ -101,7 +101,8 @@ static const struct snd_kcontrol_new snd_bcm2835_ctl[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, .private_value = PCM_PLAYBACK_VOLUME, .info = snd_bcm2835_ctl_info, .get = snd_bcm2835_ctl_get, @@ -129,7 +130,7 @@ static const struct snd_kcontrol_new snd_bcm2835_ctl[] = { }; static int snd_bcm2835_spdif_default_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) + struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; uinfo->count = 1; @@ -137,7 +138,7 @@ static int snd_bcm2835_spdif_default_info(struct snd_kcontrol *kcontrol, } static int snd_bcm2835_spdif_default_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct bcm2835_chip *chip = snd_kcontrol_chip(kcontrol); int i; @@ -153,7 +154,7 @@ static int snd_bcm2835_spdif_default_get(struct snd_kcontrol *kcontrol, } static int snd_bcm2835_spdif_default_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct bcm2835_chip *chip = snd_kcontrol_chip(kcontrol); unsigned int val = 0; @@ -162,7 +163,8 @@ static int snd_bcm2835_spdif_default_put(struct snd_kcontrol *kcontrol, mutex_lock(&chip->audio_mutex); for (i = 0; i < 4; i++) - val |= (unsigned int)ucontrol->value.iec958.status[i] << (i * 8); + val |= (unsigned int)ucontrol->value.iec958.status[i] << + (i * 8); change = val != chip->spdif_status; chip->spdif_status = val; @@ -172,7 +174,7 @@ static int snd_bcm2835_spdif_default_put(struct snd_kcontrol *kcontrol, } static int snd_bcm2835_spdif_mask_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) + struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; uinfo->count = 1; @@ -180,7 +182,7 @@ static int snd_bcm2835_spdif_mask_info(struct snd_kcontrol *kcontrol, } static int snd_bcm2835_spdif_mask_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { /* * bcm2835 supports only consumer mode and sets all other format flags diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c index e66da11af5cf..68766e57f6e2 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c @@ -81,17 +81,17 @@ 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 *substrm, + int spdif) { - struct bcm2835_chip *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; + struct bcm2835_chip *chip = snd_pcm_substream_chip(substrm); + struct snd_pcm_runtime *runtime = substrm->runtime; struct bcm2835_alsa_stream *alsa_stream; int idx; int err; mutex_lock(&chip->audio_mutex); - idx = substream->number; + idx = substrm->number; if (spdif && chip->opened) { err = -EBUSY; @@ -116,7 +116,7 @@ static int snd_bcm2835_playback_open_generic( /* Initialise alsa_stream */ alsa_stream->chip = chip; - alsa_stream->substream = substream; + alsa_stream->substream = substrm; alsa_stream->idx = idx; err = bcm2835_audio_open(alsa_stream); @@ -197,7 +197,7 @@ static int snd_bcm2835_playback_close(struct snd_pcm_substream *substream) /* hw_params callback */ static int snd_bcm2835_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) + struct snd_pcm_hw_params *params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); } @@ -232,7 +232,8 @@ static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream) if (err < 0) return err; - memset(&alsa_stream->pcm_indirect, 0, sizeof(alsa_stream->pcm_indirect)); + memset(&alsa_stream->pcm_indirect, 0, + sizeof(alsa_stream->pcm_indirect)); alsa_stream->pcm_indirect.hw_buffer_size = alsa_stream->pcm_indirect.sw_buffer_size = @@ -248,11 +249,11 @@ static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream) } static void snd_bcm2835_pcm_transfer(struct snd_pcm_substream *substream, - struct snd_pcm_indirect *rec, size_t bytes) + struct snd_pcm_indirect *rec, size_t bytes) { 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); } @@ -349,7 +350,9 @@ int snd_bcm2835_new_pcm(struct bcm2835_chip *chip, const char *name, &snd_bcm2835_playback_ops); snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - chip->card->dev, 128 * 1024, 128 * 1024); + chip->card->dev, + 128 * 1024, + 128 * 1024); if (spdif) chip->pcm_spdif = pcm; diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c index 781754f36da7..5e3a30831ed7 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; VCHI_SERVICE_HANDLE_T vchi_handle; struct completion msg_avail_comp; - struct mutex vchi_mutex; + struct mutex vchi_mutex; /* generic mutex for VCHIQ driver */ struct bcm2835_alsa_stream *alsa_stream; int result; unsigned int max_packet; @@ -34,35 +34,35 @@ static void bcm2835_audio_unlock(struct bcm2835_audio_instance *instance) mutex_unlock(&instance->vchi_mutex); } -static int bcm2835_audio_send_msg_locked(struct bcm2835_audio_instance *instance, +static int bcm2835_audio_send_msg_locked(struct bcm2835_audio_instance *inst, struct vc_audio_msg *m, bool wait) { int status; if (wait) { - instance->result = -1; - init_completion(&instance->msg_avail_comp); + inst->result = -1; + init_completion(&inst->msg_avail_comp); } - status = vchi_queue_kernel_message(instance->vchi_handle, + status = vchi_queue_kernel_message(inst->vchi_handle, m, sizeof(*m)); if (status) { - dev_err(instance->dev, + dev_err(inst->dev, "vchi message queue failed: %d, msg=%d\n", status, m->type); return -EIO; } if (wait) { - if (!wait_for_completion_timeout(&instance->msg_avail_comp, + if (!wait_for_completion_timeout(&inst->msg_avail_comp, msecs_to_jiffies(10 * 1000))) { - dev_err(instance->dev, + dev_err(inst->dev, "vchi message timeout, msg=%d\n", m->type); return -ETIMEDOUT; - } else if (instance->result) { - dev_err(instance->dev, + } else if (inst->result) { + dev_err(inst->dev, "vchi message response error:%d, msg=%d\n", - instance->result, m->type); + inst->result, m->type); return -EIO; } } @@ -128,7 +128,8 @@ vc_vchi_audio_init(VCHI_INSTANCE_T vchi_instance, struct bcm2835_audio_instance *instance) { SERVICE_CREATION_T params = { - .version = VCHI_VERSION_EX(VC_AUDIOSERV_VER, VC_AUDIOSERV_MIN_VER), + .version = VCHI_VERSION_EX(VC_AUDIOSERV_VER, + VC_AUDIOSERV_MIN_VER), .service_id = VC_AUDIO_SERVER_NAME, .callback = audio_vchi_callback, .callback_param = instance, @@ -324,51 +325,51 @@ int bcm2835_audio_close(struct bcm2835_alsa_stream *alsa_stream) int bcm2835_audio_write(struct bcm2835_alsa_stream *alsa_stream, unsigned int size, void *src) { - struct bcm2835_audio_instance *instance = alsa_stream->instance; + struct bcm2835_audio_instance *inst = alsa_stream->instance; struct vc_audio_msg m = { .type = VC_AUDIO_MSG_TYPE_WRITE, .u.write.count = size, - .u.write.max_packet = instance->max_packet, + .u.write.max_packet = inst->max_packet, .u.write.cookie1 = BCM2835_AUDIO_WRITE_COOKIE1, .u.write.cookie2 = BCM2835_AUDIO_WRITE_COOKIE2, }; unsigned int count; - int err, status; + int err, sts; /* error and status code */ if (!size) return 0; - bcm2835_audio_lock(instance); - err = bcm2835_audio_send_msg_locked(instance, &m, false); + bcm2835_audio_lock(inst); + err = bcm2835_audio_send_msg_locked(inst, &m, false); if (err < 0) goto unlock; count = size; - if (!instance->max_packet) { + if (!inst->max_packet) { /* Send the message to the videocore */ - status = vchi_bulk_queue_transmit(instance->vchi_handle, - src, count, - VCHI_FLAGS_BLOCK_UNTIL_DATA_READ, - NULL); + sts = vchi_bulk_queue_transmit(inst->vchi_handle, src, + count, + VCHI_FLAGS_BLOCK_UNTIL_DATA_READ, + NULL); } else { while (count > 0) { - int bytes = min(instance->max_packet, count); + int bytes = min(inst->max_packet, count); - status = vchi_queue_kernel_message(instance->vchi_handle, - src, bytes); + sts = vchi_queue_kernel_message(inst->vchi_handle, + src, bytes); src += bytes; count -= bytes; } } - if (status) { - dev_err(instance->dev, + if (sts) { + dev_err(inst->dev, "failed on %d bytes transfer (status=%d)\n", - size, status); + size, sts); err = -EIO; } unlock: - bcm2835_audio_unlock(instance); + bcm2835_audio_unlock(inst); return err; } diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h index 34a0125ce646..e71e73c6273c 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; /* generic mutex for VCHIQ audio driver */ struct bcm2835_vchi_ctx *vchi_ctx; }; @@ -107,6 +107,6 @@ int bcm2835_audio_write(struct bcm2835_alsa_stream *alsa_stream, void *src); void bcm2835_playback_fifo(struct bcm2835_alsa_stream *alsa_stream, unsigned int size); -unsigned int bcm2835_audio_retrieve_buffers(struct bcm2835_alsa_stream *alsa_stream); +unsigned int bcm2835_audio_retrieve_buffers(struct bcm2835_alsa_stream *stream); #endif /* __SOUND_ARM_BCM2835_H */ -- 2.19.1