NFC: Add dev_up and dev_down control operations
Add 2 new nfc control operations:
dev_up to turn on the nfc device
dev_down to turn off the nfc device
Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index ccdff79..03f8818 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -367,6 +367,52 @@
return rc;
}
+static int nfc_genl_dev_up(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx;
+
+ nfc_dbg("entry");
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ rc = nfc_dev_up(dev);
+
+ nfc_put_device(dev);
+ return rc;
+}
+
+static int nfc_genl_dev_down(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx;
+
+ nfc_dbg("entry");
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ rc = nfc_dev_down(dev);
+
+ nfc_put_device(dev);
+ return rc;
+}
+
static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
{
struct nfc_dev *dev;
@@ -441,6 +487,16 @@
.policy = nfc_genl_policy,
},
{
+ .cmd = NFC_CMD_DEV_UP,
+ .doit = nfc_genl_dev_up,
+ .policy = nfc_genl_policy,
+ },
+ {
+ .cmd = NFC_CMD_DEV_DOWN,
+ .doit = nfc_genl_dev_down,
+ .policy = nfc_genl_policy,
+ },
+ {
.cmd = NFC_CMD_START_POLL,
.doit = nfc_genl_start_poll,
.policy = nfc_genl_policy,