diff options
| author | Samuel Ortiz | 2013-09-24 12:40:44 +0200 |
|---|---|---|
| committer | Samuel Ortiz | 2013-09-25 02:02:44 +0200 |
| commit | b9c0c678f7267831b73e1d73fb30c9b4658e91ec (patch) | |
| tree | 88d047d98bce990d62130f6ab6865832baef3a9f /include/net/nfc | |
| parent | 13292c9a1ed92e535caae6154db1fea7993777ad (diff) | |
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>
Diffstat (limited to 'include/net/nfc')
| -rw-r--r-- | include/net/nfc/nfc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index c2aee4875b65..5329804ebb70 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -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; |