From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Kimmel Subject: Re: STAC92xx model problem on HP EliteBook 8740w Date: Fri, 06 May 2011 00:43:56 +0200 Message-ID: <4DC3282C.8020302@gmx.de> References: <4DBB2CFC.70002@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailout-de.gmx.net (mailout-de.gmx.net [213.165.64.22]) by alsa0.perex.cz (Postfix) with SMTP id 147442438C for ; Fri, 6 May 2011 00:44:26 +0200 (CEST) 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: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On 05/04/2011 03:23 PM, Takashi Iwai wrote: > At Fri, 29 Apr 2011 23:26:20 +0200, > Johannes Kimmel wrote: >> >> Hi, >> >> I hope this is the right location for my problem. >> When don't specify the model for my soundcard, everything works except >> spdif output over displayport. Correct led status, control names etc. >> working fine. >> But when I want to use sound over displayport, one working option is >> model=rev, but then my laptop-speakers don't work anymore. >> >> I think there is maybe a right model missing, or at least I didn't find >> the right. >> >> Here are 2 alsa-infos: >> >> spdif working: >> http://paste.pocoo.org/show/380474/ >> >> laptop-speaker working: >> http://paste.pocoo.org/show/380473/ >> >> I compile my kernel myself and I know the way to the alsa-drivers. So if >> there's anything to try that might help solve the problem, just ask. > > It's likely that BIOS doesn't set up the pin correctly for the digital > out. > > There are two digital out pins, 0x1e and 0x1f. The model=rev enables > both pins. > > For debugging, try the following: > > - Build the driver with CONFIG_SND_HDA_HWDEP=y, > CONFIG_SND_HDA_RECONFIG=y, and CONFIG_SND_HDA_PATCH_LOADER=y > - Load the driver without model option. > You'll have /sys/class/sound/hwC0D0/user_pin_configs and reconfig. > - Stop all sound-related applications, at best, stop X and work on > Linux console > - Save the current mixer state, run "alsactl store" as root > - Write the 0x1e and 0x1f pin configurations, run as root like: > # echo "0x1e 0x01452050 > 0x1f 0x01452050"> /sys/class/sound/hwC0D0/user_pin_configs > - Reconfigure the sound driver > # echo 1> /sys/class/sound/hwC0D0/reconfig > - Restore the mixer state, run "alsactl restore" as root > - Now you'll have the digital out PCM > > Once when this works, try to figure out which of the pins 0x1e and > 0x1f is the really active. In the procedure above, write only 0x1e or > 0x1f entry, and reconfigure. > > After you get a pin-config setup, you can write a "patch" and load it > via the firmware-loader automatically. The information is found in > $linux/Documentation/sound/alsa/HD-Audio.txt. > > > Takashi > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > Thanks for the hints. I'll keep you posted. Johannes