diff mbox series

[v1,3/4] Bluetooth: hci_qca: Enable power off/on support during hci down/up for QCA Rome

Message ID 20191225060317.5258-3-rjliao@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series [v1,1/4] Bluetooth: hci_qca: Add QCA Rome power off support to the qca_power_off() | expand

Commit Message

Rocky Liao Dec. 25, 2019, 6:03 a.m. UTC
This patch registers hdev->shutdown() callback and also sets
HCI_QUIRK_NON_PERSISTENT_SETUP for QCA Rome. It will power-off the BT chip
during hci down and power-on/initialize the chip again during hci up.

Signed-off-by: Rocky Liao <rjliao@codeaurora.org>
---
 drivers/bluetooth/hci_qca.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 45042aa27fa4..7e202041ed77 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1300,6 +1300,11 @@  static int qca_setup(struct hci_uart *hu)
 	} else {
 		bt_dev_info(hdev, "ROME setup");
 		if (hu->serdev) {
+			/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to
+			 * execute setup for every hci up.
+			 */
+			set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
+			hu->hdev->shutdown = qca_power_off;
 			qcadev = serdev_device_get_drvdata(hu->serdev);
 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
 			/* Controller needs time to bootup. */