Messages in this thread | | | Subject | Re: [PATCH v7 0/2] Bluetooth: hci_h5: btrtl: Add support for RTL8822CS hci_ver 0x08 | From | Vyacheslav <> | Date | Wed, 26 Jan 2022 17:14:14 +0300 |
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26.01.2022 16:40, Marcel Holtmann wrote: > 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@gmail.com> 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.
Thanks!
> > Regards > > Marcel >
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