1 files changed, 17 insertions, 44 deletions

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index bd67027c7677..66976be06bc0 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1084,6 +1084,21 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 				  struct snd_kcontrol *kctl)
 {
 	struct snd_usb_audio *chip = cval->head.mixer->chip;
+
+	if (chip->quirk_flags & QUIRK_FLAG_MIC_RES_384) {
+		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+			usb_audio_info(chip,
+				"set resolution quirk: cval->res = 384\n");
+			cval->res = 384;
+		}
+	} else if (chip->quirk_flags & QUIRK_FLAG_MIC_RES_16) {
+		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+			usb_audio_info(chip,
+				"set resolution quirk: cval->res = 16\n");
+			cval->res = 16;
+		}
+	}
+
 	switch (chip->usb_id) {
 	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
 	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */
@@ -1168,27 +1183,6 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 		}
 		break;
 
-	case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */
-	case USB_ID(0x046d, 0x0808):
-	case USB_ID(0x046d, 0x0809):
-	case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */
-	case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
-	case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
-	case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
-	case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
-	case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
-	case USB_ID(0x046d, 0x0991):
-	case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
-	/* Most audio usb devices lie about volume resolution.
-	 * Most Logitech webcams have res = 384.
-	 * Probably there is some logitech magic behind this number --fishor
-	 */
-		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-			usb_audio_info(chip,
-				"set resolution quirk: cval->res = 384\n");
-			cval->res = 384;
-		}
-		break;
 	case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */
 		if ((strstr(kctl->id.name, "Playback Volume") != NULL) ||
 			strstr(kctl->id.name, "Capture Volume") != NULL) {
@@ -1197,28 +1191,6 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 			cval->res = 1;
 		}
 		break;
-	case USB_ID(0x1224, 0x2a25): /* Jieli Technology USB PHY 2.0 */
-		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-			usb_audio_info(chip,
-				"set resolution quirk: cval->res = 16\n");
-			cval->res = 16;
-		}
-		break;
-	case USB_ID(0x1bcf, 0x2283): /* NexiGo N930AF FHD Webcam */
-	case USB_ID(0x03f0, 0x654a): /* HP 320 FHD Webcam */
-		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-			usb_audio_info(chip,
-				"set resolution quirk: cval->res = 16\n");
-			cval->res = 16;
-		}
-		break;
-	case USB_ID(0x1bcf, 0x2281): /* HD Webcam */
-		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-			usb_audio_info(chip,
-				"set resolution quirk: cval->res = 16\n");
-			cval->res = 16;
-		}
-		break;
 	}
 }
 
@@ -2225,7 +2197,8 @@ static void build_mixer_unit_ctl(struct mixer_build *state,
 		len = get_term_name(state->chip, iterm, kctl->id.name,
 				    sizeof(kctl->id.name), 0);
 	if (!len)
-		len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1);
+		snprintf(kctl->id.name, sizeof(kctl->id.name), "Mixer Source %d", in_ch + 1);
+
 	append_ctl_name(kctl, " Volume");
 
 	usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n",