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NFC: Document NFC targets sens_res field 

SENS_RES has no specific endiannes attached to it, the kernel ABI is the
following one: Byte 2 (As described by the NFC Forum Digital spec) is
the u16 most significant byte.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2013-09-24 12:40:44 +02:00
parent 13292c9a1e
commit b9c0c678f7
1 changed files with 8 additions and 0 deletions
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8
include/net/nfc/nfc.h
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@ -85,6 +85,14 @@ struct nfc_ops {
#define NFC_MAX_GT_LEN 48
#define NFC_ATR_RES_GT_OFFSET 15
/**
* struct nfc_target - NFC target descriptiom
*
* @sens_res: 2 bytes describing the target SENS_RES response, if the target
* is a type A one. The %sens_res most significant byte must be byte 2
* as described by the NFC Forum digital specification (i.e. the platform
* configuration one) while %sens_res least significant byte is byte 1.
*/
struct nfc_target {
u32 idx;
u32 supported_protocols;