Updated revision 2 using https://github.com/CirrusLogic/product-support/blob/cs8409_hda/dell/hda/5.10.7/0001-ALSA-hda-cirrus-Use-CS8409-Equalizer-to-fix-abnormal.patch .
Updated revision 2 using https:/ /github. com/CirrusLogic /product- support/ blob/cs8409_ hda/dell/ hda/5.10. 7/0001- ALSA-hda- cirrus- Use-CS8409- Equalizer- to-fix- abnormal. patch .