libertas: add lbs_host_sleep_cfg() command function

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 8d8f9d9..2d7b646 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -111,6 +111,25 @@
 	return ret;
 }
 
+int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
+		       uint8_t gpio, uint8_t gap)
+{
+	struct cmd_ds_host_sleep cmd_config;
+	int ret;
+
+	cmd_config.criteria = cpu_to_le32(criteria);
+	cmd_config.gpio = gpio;
+	cmd_config.gap = gap;
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, cmd_config);
+	if (ret) {
+		lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
+		return ret;
+	}
+	return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
+
 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 				   struct cmd_ds_command *cmd,
 				   u16 cmd_action)