From: Mark Chen <mark-yw.chen@xxxxxxxxxxxx>
According to chip hw flow, mt7921s need to re-acquire privilege
again before normal running. Otherwise, the bus may be stuck in
an abnormal status.
Fixes: c603bf1f94d0 ("Bluetooth: btmtksdio: add MT7921s Bluetooth support")
Co-developed-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
Signed-off-by: Mark Chen <mark-yw.chen@xxxxxxxxxxxx>
---
drivers/bluetooth/btmtksdio.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index 8cbd49013d86..0951bb10d117 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -960,6 +960,14 @@ static int btmtksdio_setup(struct hci_dev *hdev)
if (err < 0)
return err;
+ err = btmtksdio_fw_pmctrl(bdev);
+ if (err < 0)
+ return err;
+
+ err = btmtksdio_drv_pmctrl(bdev);
+ if (err < 0)
+ return err;
+
/* Enable SCO over I2S/PCM */
err = btmtksdio_sco_setting(hdev);
if (err < 0) {
--
2.25.1
