From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: question on snd_power_change_state() Date: Fri, 11 Mar 2011 14:56:59 +0100 Message-ID: References: <201103111312.17360.oneukum@suse.de> <201103111320.46750.oneukum@suse.de> <201103111342.44722.oneukum@suse.de> <20110311135313.GA29920@sirena.org.uk> 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 (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id E501D103879 for ; Fri, 11 Mar 2011 14:57:02 +0100 (CET) In-Reply-To: <20110311135313.GA29920@sirena.org.uk> 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: Mark Brown Cc: Oliver Neukum , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org At Fri, 11 Mar 2011 13:53:13 +0000, Mark Brown wrote: > > On Fri, Mar 11, 2011 at 02:13:12PM +0100, Takashi Iwai wrote: > > Oliver Neukum wrote: > > > > A helper for restoring all mixer settings that a device has lost due to a loss > > > of power. > > > No. It's driver-specific. > > If you're working within ASoC the register cache code has support for > syncing back to hardware. Right. But usb-audio has no register (not only it doesn't using ASoC :) Takashi