Bluetooth: btusb: Edit the logical value for Realtek Bluetooth reset
diff mbox series

Message ID 20191127030107.17604-1-max.chou@realtek.com
State New
Headers show
Series
  • Bluetooth: btusb: Edit the logical value for Realtek Bluetooth reset
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Commit Message

max.chou@realtek.com Nov. 27, 2019, 3:01 a.m. UTC
From: Max Chou <max.chou@realtek.com>

It should be pull low and pull high on the physical line for the Realtek
Bluetooth reset. gpiod_set_value_cansleep() takes ACTIVE_LOW status for
the logical value settings, so the original commit should be corrected.

Signed-off-by: Max Chou <max.chou@realtek.com>
---
 drivers/bluetooth/btusb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Marcel Holtmann Nov. 27, 2019, 5:40 a.m. UTC | #1
Hi Max,

> It should be pull low and pull high on the physical line for the Realtek
> Bluetooth reset. gpiod_set_value_cansleep() takes ACTIVE_LOW status for
> the logical value settings, so the original commit should be corrected.
> 
> Signed-off-by: Max Chou <max.chou@realtek.com>
> ---
> drivers/bluetooth/btusb.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel

Patch
diff mbox series

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 70e385987d41..82fb2e7b2892 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -552,9 +552,9 @@  static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
 	}
 
 	bt_dev_err(hdev, "Reset Realtek device via gpio");
-	gpiod_set_value_cansleep(reset_gpio, 0);
-	msleep(200);
 	gpiod_set_value_cansleep(reset_gpio, 1);
+	msleep(200);
+	gpiod_set_value_cansleep(reset_gpio, 0);
 }
 
 static inline void btusb_free_frags(struct btusb_data *data)