From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zinx Verituse Subject: Re: CMI9739A Date: Sun, 12 Dec 2004 04:57:07 -0600 Message-ID: <20041212105707.GA7019@bliss> References: <20041125004649.GA21551@bliss> <20041130020525.GA2591@bliss> <20041212093013.GA338@bliss> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from imf24aec.mail.bellsouth.net (imf24aec.mail.bellsouth.net [205.152.59.72]) by alsa.alsa-project.org (ALSA's E-mail Delivery System) with ESMTP id 58994351 for ; Sun, 12 Dec 2004 11:56:59 +0100 (MET) Content-Disposition: inline In-Reply-To: <20041212093013.GA338@bliss> Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Sun, Dec 12, 2004 at 03:30:13AM -0600, Zinx Verituse wrote: > > Results: > 72 0001 does nothing. > > However, setting one of the registers that actually differs - 64 - does > fix it. The other registers that changed (6c, 70) seemed to have no effect. > > Non-working value for register 0x64: 0x5400 > Working value for register 0x64: 0x1438 > > Also working value for register 0x64: 0x0010 > > Bit 4 doesn't appear to be documented in the source, or in the CM9739 > documentation, and it actually defaults to 0x1438 here rather than 0x0000, > so I've made a patch that just keeps the value (luckily, it seems to default > to on when the card is initialized). > > The patch also includes the id for the 9739A. > The patch is against 2.6.10-rc3, but it's fairly simple so it shouldn't > be too hard to apply by hand if it fails. Apparently this single bit isn't enough for surround; I should have checked that. Bit 3 is also needed for surround, and I wouldn't doubt bit 5 being needed for something. -- Zinx Verituse http://zinx.xmms.org/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/