From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs Date: Mon, 14 Mar 2016 11:49:39 +0100 Message-ID: <20160314104939.GL8418@lukather> References: <20151221123148.1ab6480b@dayas> <20151221123416.51aa938e@dayas> <20151227182157.GI30359@lukather> <20151228040649.475a742f@dayas> <20160106220908.GE9631@lukather> <20160109164832.515d69b0@dayas> <20160312085222.226d89bf@scratchpost.org> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="k8YaXj956qNxBs/V" Return-path: Content-Disposition: inline In-Reply-To: <20160312085222.226d89bf-bxPqe3T81XXwRsdMLXbzog@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Danny Milosavljevic Cc: Mark Brown , Chen-Yu Tsai , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, Jaroslav Kysela , Takashi Iwai , Liam Girdwood , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: alsa-devel@alsa-project.org --k8YaXj956qNxBs/V Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline On Sat, Mar 12, 2016 at 08:52:22AM +0100, Danny Milosavljevic wrote: > Hi, > > does anyone know the answer to the questions below? > > > The other direction (making two controls which both do the same and update > > each other's value) doesn't seem to be easily available. > > > Should I write a _put handler that does it manually? > > > (Or should that be handled by alsa-lib mixer modules instead?) > > > Is it possible to merge the "Left Mixer" control and respective > > "Right Mixer" control into one selem in alsamixer? > > > > Because alsamixer actually has support for one-sided muting. Mark, do you know how to do it? IIRC, in order to have shared controls, you just needed to share the controls structure. > If that's unknown, I can post v9 without doing the grouping-together > of mixer controls and we can use it like that - I don't want the > patch to stall indefinitely on mere usability issues... Unfortunately, that is exposed to the user-space. Once it's in, you cannot change it / fix it anymore. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --k8YaXj956qNxBs/V--