From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Maksim A. Boyko" Subject: [PATCH] usb-audio: Fix invalid volume resolution for Logitech HD Webcam C525 Date: Sun, 11 Aug 2013 12:39:23 +0400 Message-ID: <52074DBB.7040504@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Sender: stable-owner@vger.kernel.org To: alsa-devel@alsa-project.org, linux-usb@vger.kernel.org Cc: stable@vger.kernel.org, maksim.a.boyko@gmail.com List-Id: alsa-devel@alsa-project.org Add the volume control quirk for avoiding the kernel warning for the Logitech HD Webcam C525 as in the similar commit 36691e1be6ec551eef4a5225f126a281f8c051c2 (ALSA: usb-audio: Fix invalid volume resolution for Logitech HD Webcam c310) for the Logitech HD Webcam C310. Reported-by: Maksim Boyko Tested-by: Maksim Boyko Cc: # 3.10.5+ Signed-off-by: Maksim Boyko -- sound/usb/mixer.c | 1 + 1 file changed, 1 insertion(+) --- linux-3.10.5-orig/sound/usb/mixer.c 2013-08-04 12:51:49.000000000 +0400 +++ linux-3.10.5/sound/usb/mixer.c 2013-08-06 21:12:42.274197287 +0400 @@ -888,6 +888,7 @@ static void volume_control_quirks(struct 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, 0x0991): /* Most audio usb devices lie about volume resolution. * Most Logitech webcams have res = 384. -- WBR, Maksim Boyko