At Wed, 01 Nov 2006 14:23:29 +1100, Matthew Strahan wrote: > > I am in a similar situation. Though I'm a programmer I've never done > driver work before and I have no idea where to start with this. I > really want sound to work properly since I use my laptop mostly in > trains and public rooms etc while using my desktop in private. > > I'm also willing to perform experiments, recompile and code for this. > > Matthew > > From: Konstantin Shaposhnikov <k.shaposhnikov <at> gmail.com> > Subject: Test Patch6 for Conexant HD Audio on HP DV2000 > <http://news.gmane.org/find-root.php?message_id=%3cb12092cb0610281530u5f80b124o1dc7bf3b2a7052c1%40mail.gmail.com%3e> > > Hi, > > I would like to help with testing of alsa driver for HDA Conexant chipset. > > I have HP DV2000 notebook. Current version of alsa driver (1.013) > works almost fine, but there two issues that should be fixed: > > 1. When I plug-in headphone jack sound can be heard both from speakers > and headphones. > 2. Internal microphone doesn't work (at least arecord doesn't record anything) > > I've applied Test Patch6 for Conexant HD Audio > (http://cache.gmane.org//gmane/linux/alsa/devel/41540-001.bin) to > alsa-driver-1.0.13 but unfortunately above mentioned issues not yet > fixed. > > It looks like patch tries to solve the first problem, and > cxt5047_hp_automute function is called when HP jack is plugged in or > plugged out, but following code in this function has no effect: > snd_hda_codec_amp_update(codec, 0x14, 0, HDA_OUTPUT, 0, > 0x80, present ? 0x80 : 0); > snd_hda_codec_amp_update(codec, 0x14, 1, HDA_OUTPUT, 0, > 0x80, present ? 0x80 : 0); Check /proc/asound/card0/codec#* file and see whether the NID 0x14 has 0x80 bit when HP is plugged. If yes, it means that the NID 0x14 doesn't correspond to the speaker output. There must be another pin widget for the speaker. Takashi ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
