On Thu, 02 Dec 2021 16:35:23 +0100, Werner Sembach wrote: > > Am 02.12.21 um 16:28 schrieb Werner Sembach: > > This fixes the SND_PCI_QUIRK(...) of the TongFang PHxTxX1 barebone. This > > fixes the issue of sound not working after s3 suspend. > > > > When waking up from s3 suspend the Coef 0x10 is set to 0x0220 instead of > > 0x0020. Setting the value manually makes the sound work again. This patch > > does this automatically. > An educational question: Is there any, at least partial, documentation available on what these Coef values actually do > besides https://www.kernel.org/doc/html/v5.15/sound/hd-audio/realtek-pc-beep.html ? Unfortunately, no. It's a completely vendor-specific black magic. Takashi
