[alsa-devel] Fix for Asus G75 notebook subwoofer

Raymond Yau superquad.vortex2 at gmail.com
Wed Nov 7 01:50:14 CET 2012

>> https://launchpadlibrarian.net/121871263/alsainfo.txt
>> do notebook with vt1802 really need independent headphone ?
> IMHO, but that's just my opinion, an independent HP is quite useless for

/* Mono Out */
         present = snd_hda_jack_detect(codec, 0x26);

         parm = present ? AC_PWRST_D3 : AC_PWRST_D0;
         if (spec->codec_type == VT1802) {
                 /* PW15 (33h), MW8(1ch), MUX8(3ch) */
                 update_power_state(codec, 0x33, parm);
                 update_power_state(codec, 0x1c, parm);
                 update_power_state(codec, 0x3c, parm);


if you look carefully, you should notice that 0x26 is not any detectable
pin complex in vt1802

Node 0x26 [Vendor Defined Widget] wcaps 0xf00000: Mono

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