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ALSA: ctl: evaluate macro instead of numerical value

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SNDRV_CTL_TLV_OP_XXX is defined but not used in core code. Instead,
raw numerical value is evaluated.

This commit replaces these values to these macros for better looking.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2015-04-10 08:43:00 +09:00 committed by Takashi Iwai
parent cfd3113e7c
commit 39d118677b
1 changed files with 8 additions and 5 deletions
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13
sound/core/control.c
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@ -1099,7 +1099,7 @@ static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol,
int change = 0;
void *new_data;
if (op_flag > 0) {
if (op_flag == SNDRV_CTL_TLV_OP_WRITE) {
if (size > 1024 * 128) /* sane value */
return -EINVAL;
@ -1381,9 +1381,12 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,
goto __kctl_end;
}
vd = &kctl->vd[tlv.numid - kctl->id.numid];
if ((op_flag == 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) ||
(op_flag > 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) ||
(op_flag < 0 && (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) {
if ((op_flag == SNDRV_CTL_TLV_OP_READ &&
(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) ||
(op_flag == SNDRV_CTL_TLV_OP_WRITE &&
(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) ||
(op_flag == SNDRV_CTL_TLV_OP_CMD &&
(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) {
err = -ENXIO;
goto __kctl_end;
}
@ -1400,7 +1403,7 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,
return 0;
}
} else {
if (op_flag) {
if (op_flag != SNDRV_CTL_ELEM_ACCESS_TLV_READ) {
err = -ENXIO;
goto __kctl_end;
}