diff mbox series

[v2,2/2] Bluetooth: hci_h5: Add power reset via gpio in h5_btrtl_open

Message ID 20211025084704.173755-3-adeep@lexina.in (mailing list archive)
State Superseded
Headers show
Series Bluetooth: hci_h5: btrtl: Add support for RTL8822CS hci_ver 0x08 | expand

Commit Message

Viacheslav Oct. 25, 2021, 8:47 a.m. UTC
Add power reset via enable-gpios in h5_btrtl_open function.

Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
---
 drivers/bluetooth/hci_h5.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 0c0dedece59c..ab7c929cc25d 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -968,6 +968,11 @@  static void h5_btrtl_open(struct h5 *h5)
 					 SUSPEND_TIMEOUT_MS);
 	pm_runtime_enable(&h5->hu->serdev->dev);
 
+	/* The controller needs reset to startup */
+	gpiod_set_value_cansleep(h5->enable_gpio, 0);
+	gpiod_set_value_cansleep(h5->device_wake_gpio, 0);
+	msleep(100);
+
 	/* The controller needs up to 500ms to wakeup */
 	gpiod_set_value_cansleep(h5->enable_gpio, 1);
 	gpiod_set_value_cansleep(h5->device_wake_gpio, 1);