Messages in this thread | | | Subject | Re: [PATCH v5 2/2] Bluetooth: hci_h5: Add power reset via gpio in h5_btrtl_open | From | Marcel Holtmann <> | Date | Tue, 25 Jan 2022 22:42:09 +0100 |
| |
Hi Vyachselav,
> Add power reset for bluetooth via enable-gpios in h5_btrtl_open function. > > Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in> > --- > > 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.
if you put this here, then this information is lost. So move it to the commit message.
Regards
Marcel
| |