Date: Wed, 12 Nov 2008 21:31:40 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-multimedia@FreeBSD.org Subject: Re: Intel 82801I hda, STAC9271D codec: problem(s) Message-ID: <491B2F1C.90202@FreeBSD.org> In-Reply-To: <491B18F4.10501@icyb.net.ua> References: <4910CD23.9090902@icyb.net.ua> <491162E9.4020400@FreeBSD.org> <4911AA93.9050603@icyb.net.ua> <4911B9FE.6000505@FreeBSD.org> <4912E1A5.6040206@icyb.net.ua> <491AEB24.8030109@icyb.net.ua> <491AFF68.9080104@FreeBSD.org> <491B0D30.2050102@icyb.net.ua> <491B1023.2090605@icyb.net.ua> <491B18F4.10501@icyb.net.ua>
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Andriy Gapon wrote: > And one more thing, glimpsed from linux: > http://lxr.linux.no/linux+v2.6.27.5/sound/pci/hda/patch_sigmatel.c#L690 > > It seems that they program Volume Knob widget to use direct control of > sub-ordinate amplifiers and set the volume to max. > I hacked our driver to do the same by adding the following: > > +#if 1 > + if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_VOLUME_WIDGET) { > + hdac_command(sc, > + HDA_CMD_SET_VOLUME_KNOB(cad, nid, 0xff), cad); > + } > +#endif > > And it seems that I got louder volume with the same mixer settings as > before. But maybe this is a psychological effect. According to specification effect must be the same as setting this volume to all related controls directly. In your case as setting pcm and vol to 100. -- Alexander Motin
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