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| author |   Harish Bandi <c-hbandi@codeaurora.org> | 2019-07-12 10:39:40 +0530 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2019-08-12 18:23:50 +0200 |
| commit | a2780889e247561744dd8efbd3478a1999b72ae3 (patch) | |
| tree | f2b671a852bc48705a7701a91850bd45dd86a75c /drivers/bluetooth/btqca.c | |
| parent | Bluetooth: btqca: Use correct byte format for opcode of injected command (diff) | |
| download | linux-dev-a2780889e247561744dd8efbd3478a1999b72ae3.tar.xz linux-dev-a2780889e247561744dd8efbd3478a1999b72ae3.zip | |
Bluetooth: hci_qca: Send VS pre shutdown command.
WCN399x chips are coex chips, it needs a VS pre shutdown
command while turning off the BT. So that chip can inform
BT is OFF to other active clients.
Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btqca.c')
| -rw-r--r-- | drivers/bluetooth/btqca.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 81a5c45bdcd9..2221935fac7e 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -99,6 +99,27 @@ static int qca_send_reset(struct hci_dev *hdev) return 0; } +int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) +{ + struct sk_buff *skb; + int err; + + bt_dev_dbg(hdev, "QCA pre shutdown cmd"); + + skb = __hci_cmd_sync(hdev, QCA_PRE_SHUTDOWN_CMD, 0, + NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err); + return err; + } + + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd); + static void qca_tlv_check_data(struct rome_config *config, const struct firmware *fw) { |