From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Intel Azalia problems Date: Wed, 13 Apr 2005 16:33:28 +0200 Message-ID: References: <1113394027.16526.3.camel@SillyPuddy.localdomain> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <1113394027.16526.3.camel@SillyPuddy.localdomain> 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: Josh Green Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Hi Josh, At Wed, 13 Apr 2005 05:07:07 -0700, Josh Green wrote: > > Hello, I recently purchased a new laptop which has an Intel Azalia sound > interface. I noticed that this is a pretty recent addition to the ALSA > drivers. Although it seems to be basically working, I'm having a couple > problems. > > The first problem has to do with the headphone jack, which on this > laptop is an SPDIF/output combo jack. I can hear output on the built in > speakers (after un-muting and turning up the "Front" level), but when I > plug in headphones I don't hear anything (despite the fact that the > "Headphone" mixer is turned up and unmuted). Which HDA codec? Please attach /proc/asound/card0/codec#*/* file. (I guess it's CM9880, though..) Anyway, try the latest CVS version. Some improvement has been done since rc2. > The other problem is with certain applications which use oss. Quake3 > for example prints the following in the terminal it is started from: > > ------- sound initialization ------- > Could not mmap dma buffer PROT_WRITE|PROT_READ > trying mmap PROT_WRITE (with associated better compatibility / less > performance code) > /dev/dsp: Input/output error > Could not mmap /dev/dsp > ------------------------------------ If your codec is CM9880, it supports only 48/96/192kHz while quake prefers 44.1kHz. This conflict can't be solved in the OSS mmap mode. Try to tune via oss proc file as described in Documentation/OSS-Emulation.txt. Takashi ------------------------------------------------------- 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://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click