This is a note to let you know that I've just added the patch titled Bluetooth: hci_h5: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for btrtl to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: bluetooth-hci_h5-set-hci_quirk_simultaneous_discover.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit acb97964c765cefc6daf4630954a182ddcc1c580 Author: Claire Chang <tientzu@xxxxxxxxxxxx> Date: Tue Jan 19 19:47:00 2021 +0800 Bluetooth: hci_h5: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for btrtl [ Upstream commit 7f9f2c3f7d99b8ae773459c74ac5e99a0dd46db9 ] Realtek Bluetooth controllers can do both LE scan and BR/EDR inquiry at once, need to set HCI_QUIRK_SIMULTANEOUS_DISCOVERY quirk. Signed-off-by: Claire Chang <tientzu@xxxxxxxxxxxx> Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 7ffeb37e8f20..79b96251de80 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -885,6 +885,11 @@ static int h5_btrtl_setup(struct h5 *h5) /* Give the device some time before the hci-core sends it a reset */ usleep_range(10000, 20000); + /* Enable controller to do both LE scan and BR/EDR inquiry + * simultaneously. + */ + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &h5->hu->hdev->quirks); + out_free: btrtl_free(btrtl_dev);