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Add some special handeling for AD1981HD codec. It has very unusual design

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with several points unappropriate for the present parser. This patch
disables input-to-output analog monitoring but instead fixes recording.

Tested by Tobias Grosser on ThinkPad T61p.
This commit is contained in:
Alexander Motin 2008-10-24 19:29:07 +00:00
parent 7dbf04d70c
commit e1a5654741
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=184230
1 changed files with 18 additions and 0 deletions
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18
sys/dev/sound/pci/hda/hdac.c
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@ -4510,6 +4510,24 @@ hdac_vendor_patch_parse(struct hdac_devinfo *devinfo)
~HDA_QUIRK_EAPDINV;
}
break;
case HDA_CODEC_AD1981HD:
/*
* This codec has very unusual design with several
* points unappropriate for the present parser.
*/
/* Disable recording from mono playback mix. */
w = hdac_widget_get(devinfo, 21);
if (w != NULL)
w->connsenable[3] = 0;
/* Disable rear to front mic mixer, use separately. */
w = hdac_widget_get(devinfo, 31);
if (w != NULL)
w->enable = 0;
/* Disable playback mixer, use direct bypass. */
w = hdac_widget_get(devinfo, 14);
if (w != NULL)
w->enable = 0;
break;
}
}