hda: correct comment about Asus laptop digital mics

Reported in review D30333

MFC after:	1 week
This commit is contained in:
Philippe Michaud-Boudreault 2021-05-19 10:32:25 -04:00 committed by Ed Maste
parent d0ea5e467f
commit 5d698386fb

View File

@ -808,10 +808,10 @@ hdaa_patch_direct(struct hdaa_devinfo *devinfo)
subid == 0x834a1043 || subid == 0x83981043 || subid == 0x834a1043 || subid == 0x83981043 ||
subid == 0x83ce1043) { subid == 0x83ce1043) {
/* /*
* The ditital mics on some Asus laptops produce * The digital mics on some Asus laptops produce
* differential signals instead of expected stereo. * differential signals instead of expected stereo.
* That results in silence if downmix it to mono. * That results in silence if downmixing to mono.
* To workaround, make codec to handle signal as mono. * To workaround, make codec handle the signal as mono.
*/ */
val = hdaa_read_coef(dev, 0x20, 0x07); val = hdaa_read_coef(dev, 0x20, 0x07);
hdaa_write_coef(dev, 0x20, 0x07, val|0x80); hdaa_write_coef(dev, 0x20, 0x07, val|0x80);