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ALSA: drivers: Clean up with new procfs helpers 

Simplify the proc fs creation code with new helper functions,
snd_card_ro_proc_new() and snd_card_rw_proc_new().
Just a code refactoring and no functional changes.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-02-04 15:58:33 +01:00
parent 7453e1dafd
commit 815d808c7b
3 changed files with 5 additions and 20 deletions
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10
sound/drivers/aloop.c
View File

@ -1133,16 +1133,10 @@ static void print_cable_info(struct snd_info_entry *entry,
static int loopback_proc_new(struct loopback *loopback, int cidx)
{
char name[32];
struct snd_info_entry *entry;
int err;
snprintf(name, sizeof(name), "cable#%d", cidx);
err = snd_card_proc_new(loopback->card, name, &entry);
if (err < 0)
return err;
snd_info_set_text_ops(entry, loopback, print_cable_info);
return 0;
return snd_card_ro_proc_new(loopback->card, name, loopback,
print_cable_info);
}
static int loopback_probe(struct platform_device *devptr)

10
sound/drivers/dummy.c
View File

@ -1037,14 +1037,8 @@ static void dummy_proc_write(struct snd_info_entry *entry,
static void dummy_proc_init(struct snd_dummy *chip)
{
struct snd_info_entry *entry;
if (!snd_card_proc_new(chip->card, "dummy_pcm", &entry)) {
snd_info_set_text_ops(entry, chip, dummy_proc_read);
entry->c.text.write = dummy_proc_write;
entry->mode |= 0200;
entry->private_data = chip;
}
snd_card_rw_proc_new(chip->card, "dummy_pcm", chip,
dummy_proc_read, dummy_proc_write);
}
#else
#define dummy_proc_init(x)

5
sound/drivers/vx/vx_core.c
View File

@ -643,10 +643,7 @@ static void vx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *b
static void vx_proc_init(struct vx_core *chip)
{
struct snd_info_entry *entry;
if (! snd_card_proc_new(chip->card, "vx-status", &entry))
snd_info_set_text_ops(entry, chip, vx_proc_read);
snd_card_ro_proc_new(chip->card, "vx-status", chip, vx_proc_read);
}