From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: bug: reconfig broken on kernel 4.5 Date: Mon, 09 May 2016 16:11:46 +0200 Message-ID: References: <1462782169.3239.12.camel@maxwell> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 7901B2607C8 for ; Mon, 9 May 2016 16:11:47 +0200 (CEST) In-Reply-To: <1462782169.3239.12.camel@maxwell> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Jochen Henneberg Cc: alsa-devel List-Id: alsa-devel@alsa-project.org On Mon, 09 May 2016 10:22:49 +0200, Jochen Henneberg wrote: > > Hi, > > it looks as if 'reconfig' feature is broken since the sysfs attributes > have been moved to device attributes. In hda_sysfs.c:reconfig_codec() > the device is cleared with snd_hda_codec_reset() which calls > snd_hdac_device_unregister() which removes the sysfs entries (including > the currently in-use 'reconfig'), the re-registration fails afterwards > in snd_hda_codec_build_controls(). > I am not sure when things got broken, but snd_hda_codec_reset() > called from reconfig_codec() unregisters the device and removes the > sysfs entries where in the past it only stripped all configurations > (pcms, controls ...) from the device. Hrm, OK, something got broken indeed there. I'll check it later. thanks, Takashi