Re: [Alsa-user] No 5.1 Sound with VIA VT8237R
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From: Philip P. <phi...@re...> - 2005-08-11 23:14:18
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Jim T wrote: >Hi! > >I just upgraded my motherboard to an MSI K8MM-V with a >VIA VT8237R providing the sound. Everything in ALSA >works fine except that I'm not getting 5.1 sound and >some of the controls, such as the ones to swap the mic >and headphone jacks to 5.1 outputs are missing, but >the Center and Surround levels seem to be there. > >The hardware reports as: >0000:00:11.5 Multimedia audio controller: VIA >Technologies, Inc. VT8233/A/8235/8 >237 AC97 Audio Controller (rev 60) > Subsystem: Micro-Star International Co., Ltd.: >Unknown device 0430 > Flags: medium devsel, IRQ 22 > I/O ports at eb00 > Capabilities: [c0] Power Management version 2 > >My kernel is: >Linux mythtv 2.6.12-gentoo-r6 #1 Wed Aug 10 10:17:28 >PDT 2005 x86_64 AMD Athlon(tm) 64 Processor 3200+ >AuthenticAMD GNU/Linux > >And here is the output from amixer: >amixer info: >Card default 'V8237'/'VIA 8237 with unknown codec at >0xeb00, irq 22' > Mixer name : 'VIA Technologies id 70' > Components : 'AC97a:56494170' > Controls : 44 > Simple ctrls : 29 > >amixer gcontrols: >Simple mixer control 'Master',0 >Simple mixer control 'Master Mono',0 >Simple mixer control 'Headphone',0 >Simple mixer control '3D Control - Center',0 >Simple mixer control '3D Control - Depth',0 >Simple mixer control '3D Control - Switch',0 >Simple mixer control 'PCM',0 >Simple mixer control 'Surround',0 >Simple mixer control 'Center',0 >Simple mixer control 'LFE',0 >Simple mixer control 'Line',0 >Simple mixer control 'CD',0 >Simple mixer control 'Mic',0 >Simple mixer control 'Mic Boost (+20dB)',0 >Simple mixer control 'Mic Select',0 >Simple mixer control 'Video',0 >Simple mixer control 'Phone',0 >Simple mixer control 'IEC958',0 >Simple mixer control 'IEC958 Output',0 >Simple mixer control 'IEC958 Playback AC97-SPSA',0 >Simple mixer control 'PC Speaker',0 >Simple mixer control 'Aux',0 >Simple mixer control 'Mono Output Select',0 >Simple mixer control 'Capture',0 >Simple mixer control 'Mix',0 >Simple mixer control 'Mix Mono',0 >Simple mixer control 'External Amplifier',0 >Simple mixer control 'Input Source Select',0 >Simple mixer control 'Input Source Select',1 > > >Let me know if there is anything else I can provide >that would be useful.. > > > I've attached the patches I've been using... Give them a try. They've not yet been committed to the alsa-driver CVS tree. -Philip |