| Message ID | 20181217141330.6294-5-bgodavar@codeaurora.org (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Bug fixes for Qualcomm BT chip wcn3990 | expand |
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index e7e65c4361e6..cb1695bac4f0 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1286,6 +1286,8 @@ static void qca_power_shutdown(struct hci_uart *hu) * still open, discard all the garbage data received on the Rx line. */ set_bit(STATE_DISCARD_RX, &qca->flags); + clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); + qca_flush(hu); host_set_baudrate(hu, 2400); qca_send_power_pulse(hu, QCA_WCN3990_POWEROFF_PULSE); qca_power_setup(hu, false);
During hci down we observed IBS sleep commands are queued in the Tx buffer and hci_uart_write_work is sending data to the chip which is not required as the chip is powered off. This patch will disable IBS and flush the Tx buffer before we turn off the chip. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> --- v4: * no change. v3: * initial patch --- drivers/bluetooth/hci_qca.c | 2 ++ 1 file changed, 2 insertions(+)