Commit c970a1ac authored by Samuel Ortiz's avatar Samuel Ortiz Committed by John W. Linville
Browse files

NFC: Add device powered netlink attribute 



For user space to know if a device is up or down.

Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent c3b1e1e8

include/linux/nfc.h

+1 −0
Original line number Diff line number Diff line
@@ -107,6 +107,7 @@ enum nfc_attrs { 
	NFC_ATTR_TARGET_SENSF_RES,

	NFC_ATTR_COMM_MODE,

	NFC_ATTR_RF_MODE,

	NFC_ATTR_DEVICE_POWERED,

/* private: internal use only */

	__NFC_ATTR_AFTER_LAST

};

net/nfc/netlink.c

+3 −0
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = { 
	[NFC_ATTR_PROTOCOLS] = { .type = NLA_U32 },

	[NFC_ATTR_COMM_MODE] = { .type = NLA_U8 },

	[NFC_ATTR_RF_MODE] = { .type = NLA_U8 },

	[NFC_ATTR_DEVICE_POWERED] = { .type = NLA_U8 },

};



static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target,
@@ -200,6 +201,7 @@ int nfc_genl_device_added(struct nfc_dev *dev) 
	NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev));

	NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);

	NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols);

	NLA_PUT_U8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up);



	genlmsg_end(msg, hdr);
@@ -261,6 +263,7 @@ static int nfc_genl_send_device(struct sk_buff *msg, struct nfc_dev *dev, 
	NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev));

	NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);

	NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols);

	NLA_PUT_U8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up);



	return genlmsg_end(msg, hdr);