From: Takashi Sakamoto Date: Sat, 11 Apr 2015 08:41:03 +0000 (+0900) Subject: ALSA: ctl: fix a bug to return no identical information in info operation for userspa... X-Git-Tag: v4.1-rc1~16^2~19^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c378c3b03c8d6eef2d2600d0279e2c718d6a0a44;p=platform%2Fkernel%2Flinux-exynos.git ALSA: ctl: fix a bug to return no identical information in info operation for userspace controls In operations of SNDRV_CTL_IOCTL_ELEM_INFO, identical information in returned value is cleared. This is not better to userspace application. This commit confirms to return full identical information to the operations. Signed-off-by: Takashi Sakamoto Signed-off-by: Takashi Iwai --- diff --git a/sound/core/control.c b/sound/core/control.c index 90a9e5d..a750846 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1040,8 +1040,12 @@ static int snd_ctl_elem_user_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct user_element *ue = kcontrol->private_data; + unsigned int offset; + offset = snd_ctl_get_ioff(kcontrol, &uinfo->id); *uinfo = ue->info; + snd_ctl_build_ioff(&uinfo->id, kcontrol, offset); + return 0; } @@ -1051,10 +1055,13 @@ static int snd_ctl_elem_user_enum_info(struct snd_kcontrol *kcontrol, struct user_element *ue = kcontrol->private_data; const char *names; unsigned int item; + unsigned int offset; item = uinfo->value.enumerated.item; + offset = snd_ctl_get_ioff(kcontrol, &uinfo->id); *uinfo = ue->info; + snd_ctl_build_ioff(&uinfo->id, kcontrol, offset); item = min(item, uinfo->value.enumerated.items - 1); uinfo->value.enumerated.item = item;