From a0b6aa84714de9e8621fcb478654f7c7e24fbad0 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 19 Aug 2011 07:55:10 +0200
Subject: [PATCH] --- yaml --- r: 263160 b: refs/heads/master c:
 38b65190c6ab0be8ce7cff69e734ca5b5e7fa309 h: refs/heads/master v: v3

---
 [refs]                  | 2 +-
 trunk/sound/usb/mixer.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 9967a383be55..8237694013bb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3fe45aeaf2033c9eaa5028ed5ba68b466008876f
+refs/heads/master: 38b65190c6ab0be8ce7cff69e734ca5b5e7fa309
diff --git a/trunk/sound/usb/mixer.c b/trunk/sound/usb/mixer.c
index c04d7c71ac88..cdd19d7fe500 100644
--- a/trunk/sound/usb/mixer.c
+++ b/trunk/sound/usb/mixer.c
@@ -152,6 +152,7 @@ static inline void check_mapped_dB(const struct usbmix_name_map *p,
 	if (p && p->dB) {
 		cval->dBmin = p->dB->min;
 		cval->dBmax = p->dB->max;
+		cval->initialized = 1;
 	}
 }
 
@@ -1092,7 +1093,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
 				" Switch" : " Volume");
 		if (control == UAC_FU_VOLUME) {
 			check_mapped_dB(map, cval);
-			if (cval->dBmin < cval->dBmax) {
+			if (cval->dBmin < cval->dBmax || !cval->initialized) {
 				kctl->tlv.c = mixer_vol_tlv;
 				kctl->vd[0].access |= 
 					SNDRV_CTL_ELEM_ACCESS_TLV_READ |