Hi Vyacheslav, > Add a variation of RTL8822CS with hci_ver = 0x08. This is fully similar > to RTL8822CS with hci_ver = 0x0a observed on the Tanix TX6 Android set-top > box and JetHome JetHub H1. > > While testing the RTL8822CS SDIO WiFi/BT adapter, I found that in some > cases the kernel could not initialize it. However, manually resetting the > adapter via gpio allows it to start correctly. > Apparently at system start the adapter is in an undefined state (including > the unknown state of gpio after starting uboot). A forced reset helps to > initialize the adapter in most cases. Experimentally it was found that > 100ms is enough to reset. > So, add power reset via enable-gpios in h5_btrtl_open function. > > Changes from v6..v4: > - fix patch description > Changes from v3: > - add has_msft_ext option > Changes from v2: > - align the patches for bluetooth-next > Changes from v1: > - remove Signed-off-by chbgdn <chbgdn@xxxxxxxxx> as not reachable > > Vyacheslav Bocharov (2): > Bluetooth: btrtl: Add support for RTL8822C hci_ver 0x08 > Bluetooth: hci_h5: Add power reset via gpio in h5_btrtl_open > > drivers/bluetooth/btrtl.c | 8 ++++++++ > drivers/bluetooth/hci_h5.c | 5 +++++ > 2 files changed, 13 insertions(+) both patches have been applied to bluetooth-next tree. Regards Marcel
