From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [alsa-devel] [RFC] ucb1400 touchscreen, irq auto probing and ac97 with its private field Date: Fri, 25 Apr 2008 15:04:45 +0200 Message-ID: References: <20080424140459.GB24212@Chamillionaire.breakpoint.cc> <20080424145749.GB22369@sirena.org.uk> <20080424185658.GA19029@sirena.org.uk> <20080425105429.GA5664@Chamillionaire.breakpoint.cc> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: Sender: linux-input-owner@vger.kernel.org To: Jaroslav Kysela Cc: Sebastian Siewior , Mark Brown , dtor@mail.ru, Dmitry Torokhov , ALSA development , linux-input@vger.kernel.org List-Id: alsa-devel@alsa-project.org At Fri, 25 Apr 2008 13:22:11 +0200 (CEST), Jaroslav Kysela wrote: > > On Fri, 25 Apr 2008, Takashi Iwai wrote: > > > Your driver does _not_ know what type it is because the data isn't > > created by your driver but the controller driver. And, it's free to > > attach your driver to any controller. > > But controller knows which codec (using ID bytes) is attached, thus it can > fill appropriate information only for this codec. This would be an option, too. > Of course, it will work > when only one additional device is sharing bus with codec. See: > > http://www.nxp.com/pip/UCB1400-02.html Indeed. Takashi