| Message ID | 1567168116-12462-1-git-send-email-c_hbandi@qti.qualcomm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 010376ab7fd788a0eddb86b6de5869b3045b97e3 |
| Headers | show |
| Series | [v3] Bluetooth: hci_qca: wait for Pre shutdown complete event before sending the Power off pulse | expand |
Hi Harish, > When SoC receives pre shut down command, it share the same > with other COEX shared clients. So SoC needs a short time > after sending VS pre shutdown command before turning off > the regulators and sending the power off pulse. Along with > short delay, needs to wait for command complete event for > Pre shutdown VS command > > Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org> > Reviewed-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> > --- > Changes in V3: > - updated patch on latest tip. > --- > drivers/bluetooth/btqca.c | 5 +++-- > drivers/bluetooth/hci_qca.c | 2 ++ > 2 files changed, 5 insertions(+), 2 deletions(-) patch has been applied to bluetooth-next tree. Regards Marcel
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 0875470..8cc21ad 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -106,8 +106,9 @@ int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) bt_dev_dbg(hdev, "QCA pre shutdown cmd"); - skb = __hci_cmd_sync(hdev, QCA_PRE_SHUTDOWN_CMD, 0, - NULL, HCI_INIT_TIMEOUT); + skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0, + NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { err = PTR_ERR(skb); bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err); diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 15753f6..d33828f 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1375,6 +1375,8 @@ static int qca_power_off(struct hci_dev *hdev) /* Perform pre shutdown command */ qca_send_pre_shutdown_cmd(hdev); + usleep_range(8000, 10000); + qca_power_shutdown(hu); return 0; }