ALSA: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200708203236.GA5112@embeddedor
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Gustavo A. R. Silva
2020-07-08 15:32:36 -05:00
committed by Takashi Iwai
parent a0b224b90b
commit c0dbbdad4e
35 changed files with 78 additions and 80 deletions

View File

@@ -158,7 +158,7 @@ int snd_dma_alloc_pages(int type, struct device *device, size_t size,
*/
dmab->dev.type = SNDRV_DMA_TYPE_DEV;
#endif /* CONFIG_GENERIC_ALLOCATOR */
/* fall through */
fallthrough;
case SNDRV_DMA_TYPE_DEV:
case SNDRV_DMA_TYPE_DEV_UC:
snd_malloc_dev_pages(dmab, size);

View File

@@ -2851,7 +2851,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream)
break;
/* Fall through */
fallthrough;
case VM_READ:
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
break;

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@@ -357,7 +357,7 @@ snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format,
if (snd_mask_test(format_mask, (__force int)format1))
return format1;
}
/* fall through */
fallthrough;
default:
return (__force snd_pcm_format_t)-EINVAL;
}

View File

@@ -1903,7 +1903,7 @@ static int snd_pcm_prepare(struct snd_pcm_substream *substream,
switch (substream->runtime->status->state) {
case SNDRV_PCM_STATE_PAUSED:
snd_pcm_pause(substream, false);
/* fallthru */
fallthrough;
case SNDRV_PCM_STATE_SUSPENDED:
snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
break;
@@ -2811,7 +2811,7 @@ static int do_pcm_hwsync(struct snd_pcm_substream *substream)
case SNDRV_PCM_STATE_DRAINING:
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return -EBADFD;
/* Fall through */
fallthrough;
case SNDRV_PCM_STATE_RUNNING:
return snd_pcm_update_hw_ptr(substream);
case SNDRV_PCM_STATE_PREPARED:
@@ -3814,7 +3814,7 @@ static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)
case SNDRV_PCM_MMAP_OFFSET_STATUS_OLD:
if (pcm_file->no_compat_mmap || !IS_ENABLED(CONFIG_64BIT))
return -ENXIO;
/* fallthrough */
fallthrough;
case SNDRV_PCM_MMAP_OFFSET_STATUS_NEW:
if (!pcm_status_mmap_allowed(pcm_file))
return -ENXIO;
@@ -3822,7 +3822,7 @@ static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)
case SNDRV_PCM_MMAP_OFFSET_CONTROL_OLD:
if (pcm_file->no_compat_mmap || !IS_ENABLED(CONFIG_64BIT))
return -ENXIO;
/* fallthrough */
fallthrough;
case SNDRV_PCM_MMAP_OFFSET_CONTROL_NEW:
if (!pcm_control_mmap_allowed(pcm_file))
return -ENXIO;

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@@ -79,7 +79,7 @@ snd_seq_oss_process_timer_event(struct seq_oss_timer *rec, union evrec *ev)
case TMR_WAIT_REL:
parm += rec->cur_tick;
rec->realtime = 0;
/* fall through */
fallthrough;
case TMR_WAIT_ABS:
if (parm == 0) {
rec->realtime = 1;

View File

@@ -309,7 +309,7 @@ do_control(const struct snd_midi_op *ops, void *drv,
break;
case MIDI_CTL_MSB_DATA_ENTRY:
chan->control[MIDI_CTL_LSB_DATA_ENTRY] = 0;
/* fall through */
fallthrough;
case MIDI_CTL_LSB_DATA_ENTRY:
if (chan->param_type == SNDRV_MIDI_PARAM_TYPE_REGISTERED)
rpn(ops, drv, chan, chset);