Re: [PATCH] Bluetooth: Enable auto sleep mode for btmrvl driver

From: Amitkumar Karwar <redacted>

The auto sleep mode for btmrvl driver is not enabled by default.
This patch enables auto sleep mode when card is probed.

Signed-off-by: Amitkumar Karwar <redacted>
Signed-off-by: Bing Zhao <redacted>
---
 drivers/bluetooth/btmrvl_drv.h  |    1 +
 drivers/bluetooth/btmrvl_main.c |   56 +++++++++++++++++++++++---------------
 drivers/bluetooth/btmrvl_sdio.c |    2 +
 3 files changed, 37 insertions(+), 22 deletions(-)

diff --git a/drivers/bluetooth/btmrvl_drv.h b/drivers/bluetooth/btmrvl_drv.h
index 411c7a7..523d197 100644
--- a/drivers/bluetooth/btmrvl_drv.h
+++ b/drivers/bluetooth/btmrvl_drv.h

@@ -131,6 +131,7 @@ void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
 
 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
+int btmrvl_enable_ps(struct btmrvl_private *priv);
 int btmrvl_prepare_command(struct btmrvl_private *priv);
 
 #ifdef CONFIG_DEBUG_FS

diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index e605563..43b5b68 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c

@@ -189,6 +189,39 @@ int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
 }
 EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
 
+int btmrvl_enable_ps(struct btmrvl_private *priv)
+{
+	struct sk_buff *skb;
+	struct btmrvl_cmd *cmd;
+	int ret = 0;
+
+	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
+	if (skb == NULL) {
+		BT_ERR("No free skb");
+		return -ENOMEM;
+	}
+
+	cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
+	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF,
+					BT_CMD_AUTO_SLEEP_MODE));
+	cmd->length = 1;
+
+	if (priv->btmrvl_dev.psmode)
+		cmd->data[0] = BT_PS_ENABLE;
+	else
+		cmd->data[0] = BT_PS_DISABLE;
+
+	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
+
+	skb->dev = (void *) priv->btmrvl_dev.hcidev;
+	skb_queue_head(&priv->adapter->tx_queue, skb);
+
+	BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(btmrvl_enable_ps);