Hi Kai-Heng, > Some platforms keep USB power even when they are powered off and in S5, > this makes Realtek 8821C keep its firmware even after a cold boot, and > make 8821C never load new firmware. > > So use vendor specific HCI command to ask 8821C drop its firmware after > system shutdown. > > Newer firmware doesn't have this issue so we only use this trick for old > 8821C firmware version. > > Suggested-by: Max Chou <max.chou@xxxxxxxxxxx> > Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> > --- > v2: > - Fix incorrect parAnthesis on le16_to_cpu. > - Ensure firmware gets re-uploaded in initialization. > > drivers/bluetooth/btrtl.c | 46 +++++++++++++++++++++++++++++++++++++++ > 1 file changed, 46 insertions(+) patch has been applied to bluetooth-next tree. Regards Marcel
