From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Mack Subject: Re: Regression in sound/usb/ Date: Wed, 11 Jul 2012 10:31:41 +0200 Message-ID: <4FFD39ED.9050706@gmail.com> References: <4FF18FCF.6020306@gmail.com> <4FFC9B4F.6060600@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bk0-f51.google.com (mail-bk0-f51.google.com [209.85.214.51]) by alsa0.perex.cz (Postfix) with ESMTP id 21384243C8 for ; Wed, 11 Jul 2012 10:31:46 +0200 (CEST) Received: by bkcjk13 with SMTP id jk13so593978bkc.38 for ; Wed, 11 Jul 2012 01:31:45 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Philipp Dreimann Cc: Takashi Iwai , alsa-devel@alsa-project.org, Clemens Ladisch , Joseph Salisbury List-Id: alsa-devel@alsa-project.org On 11.07.2012 09:30, Philipp Dreimann wrote: > On 10 July 2012 23:14, Daniel Mack wrote: >> On 05.07.2012 17:36, Takashi Iwai wrote: >>> At Thu, 5 Jul 2012 17:32:30 +0200, >>> Philipp Dreimann wrote: >>>> >>>> On 5 July 2012 16:41, Takashi Iwai wrote: >>>>>> Try the patch below. If it still doesn't work, give the kernel >>>>>> message again and lsusb -v output, too. >>>>> >>>>> Did it make any difference? >>>> >>>> No, it unfortunately did not. >>>> >>>> lsusb is attached and the parts of the kernel log are in the mail: >>>> >>>> [ 41.243211] usb 2-1.2: new high-speed USB device number 3 using ehci_hcd >>>> [ 41.605666] uvcvideo: Found UVC 1.00 device (046d:0821) >>>> [ 42.002275] input: UVC Camera (046d:0821) as >>>> /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.2/input/input12 >>>> [ 42.085880] usbcore: registered new interface driver snd-usb-audio >>>> >>>> [ 52.790139] uvcvideo: Failed to query (GET_DEF) UVC control 2 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.794363] uvcvideo: Failed to query (GET_DEF) UVC control 2 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.798375] uvcvideo: Failed to query (GET_DEF) UVC control 3 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.802499] uvcvideo: Failed to query (GET_DEF) UVC control 7 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.806617] uvcvideo: Failed to query (GET_DEF) UVC control 11 on >>>> unit 2: -71 (exp. 1). >>>> [ 52.810734] uvcvideo: Failed to query (GET_DEF) UVC control 4 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.814855] uvcvideo: Failed to query (GET_DEF) UVC control 5 on >>>> unit 2: -71 (exp. 1). >>>> [ 52.818976] uvcvideo: Failed to query (GET_CUR) UVC control 11 on >>>> unit 2: -71 (exp. 1). >>>> [ 52.823096] uvcvideo: Failed to query (GET_DEF) UVC control 8 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.827215] uvcvideo: Failed to query (GET_DEF) UVC control 1 on >>>> unit 2: -71 (exp. 2). >>>> [ 52.831331] uvcvideo: Failed to set UVC probe control : -71 (exp. 26). >>>> [ 52.835459] uvcvideo: Failed to set UVC probe control : -71 (exp. 26). >>>> The last line repeats a few times, then the Failed to query block >>>> repeats again, and so on. But only if I try to use the webcam. >>>> >>>> [ 82.363599] 3:1:3: cannot set freq 32000 to ep 0x86 >>>> Is showing up without using the webcam. >>> >>> Hm, it looks better than before (it was '3:-1:3' or such), but there >>> is still something strange there. >> >> Sorry for the long delay on this. I finally found some time to look into >> this and it seems that I got the calls to usb_set_interface wrong. >> Attached is a patch to fix this - could everybody who is affect please >> give that a quick try? More explanation is in the commit log. > > The camera is now working for a short time: > [ 56.421399] usb 2-1.2: new high-speed USB device number 4 using ehci_hcd > [ 57.224234] uvcvideo: Found UVC 1.00 device (046d:0821) > [ 57.237221] input: UVC Camera (046d:0821) as > /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.2/input/input15 > Camera and microphone are working. Some time later we're back to the old issue: Ok, I see. Drop this, I'm working on a new one. I will find some time later today to look into this. Thanks for your patience! Daniel