From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Hofman Subject: Re: Juli - function of specific GPIOs? Date: Mon, 21 Jan 2008 17:05:23 +0100 Message-ID: <4794C2C3.2050800@insite.cz> References: <1199971035-13553-2-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-3-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-4-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-5-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-6-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-7-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-8-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-9-git-send-email-broonie@opensource.wolfsonmicro.com> <1199971035-13553-10-git-send-email-broonie@opensource.wolfsonmicro.com> <20080118101816.GA19291@rakim.wolfsonmicro.main> <47911D1F.8030006@insite.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable Return-path: Received: from server.insite.cz (cable.insite.cz [84.242.84.93]) by alsa0.perex.cz (Postfix) with ESMTP id 8EFF424548 for ; Mon, 21 Jan 2008 17:05:59 +0100 (CET) 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: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Takashi Iwai wrote: > At Fri, 18 Jan 2008 22:41:51 +0100, > Pavel Hofman wrote: > = >>Hi Takashi, >> >>Sorry for distracting you from the constant struggle with HDA. >> >>I would like to provide complete support for the ESI Juli@ card. >>Informing the ADC (AK5385) about current sample rate via the dedicated >>GPIOs is fairly simple, as well as the monitoring features (DIGOUT, = >>DIGIN, ANAIN, MUTE + volume control of the remaining DACs). >> >>However, I do not understand functions of the GPIO_FREQ_XXKHZ and >>GPIO_MULTI_XX GPIOs. The card's user manual says the card can detect >>incoming SPDIF rate. AK4114 can either read the rate from the input data >>in professional format only, or detect it by comparing external clock = >>with the input rate. The AK4114 external clock pin does go to the Xilinx = >>CPLD. The GPIOs lead to the CPLD too. Do they in some way control the = >>CPLD to provide AK4114 with external clock so that AK4114 can provide = >>correct input rate data through its registers? > = > = > Sorry, I have little idea about Juli (and all ESI boards). The > datasheet was given only to Jaroslav (cc'ed) at that time. > = > = > Takashi Takashi, Thanks a lot for the info and sorry for overlooking the initial = changetset author. Perhaps Jaroslav will find a few minutes to recall the old story, p=ECkn=EC = pros=EDm :) Regards, Pavel. -- = ----------------- inSITE, s.r.o. Rubesova 29, 326 00 Plzen Tel., fax: +420 - 37 - 74 493 58 GSM: +420 - 603 - 163 973 Email: pavel.hofman@insite.cz