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NFC: netlink: Add new netlink command NFC_CMD_ACTIVATE_TARGET

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Some tag might get deactivated after some read or write tentative.
This may happen for example with Mifare Ultralight C tag when trying
to read the last 4 blocks (starting block 0x2c) configured as write
only.
NFC_CMD_ACTIVATE_TARGET will try to reselect the tag in order to
detect if it got remove from the field or if it is still present.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Christophe Ricard 2014-12-02 21:27:50 +01:00 • committed by Samuel Ortiz
commit 3682f49f32
2 changed files with 31 additions and 0 deletions
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include/uapi/linux/nfc.h
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@ -116,6 +116,7 @@ enum nfc_commands {
NFC_EVENT_SE_TRANSACTION,
NFC_CMD_GET_SE,
NFC_CMD_SE_IO,
NFC_CMD_ACTIVATE_TARGET,
/* private: internal use only */
__NFC_CMD_AFTER_LAST
};