From: Mark A. Greer Date: Mon, 10 Mar 2014 18:56:23 +0000 (-0700) Subject: NFC: trf7970a: Add support for Type 4A Tags X-Git-Tag: v3.15-rc1~113^2~93^2^2~48^2~5 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8006289108fa9635d16a65d9db16da06d7dce201;p=karo-tx-linux.git NFC: trf7970a: Add support for Type 4A Tags Add support for Type 4A Tags which includes supporting the underlying ISO/IEC 14443-A protocol. Signed-off-by: Mark A. Greer Signed-off-by: Samuel Ortiz --- diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 0d62d45d6884..516d0a616cbe 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -87,7 +87,8 @@ * the trf7970a_per_cmd_config() routine. */ -#define TRF7970A_SUPPORTED_PROTOCOLS NFC_PROTO_MIFARE_MASK +#define TRF7970A_SUPPORTED_PROTOCOLS \ + (NFC_PROTO_MIFARE_MASK | NFC_PROTO_ISO14443_MASK) /* TX data must be prefixed with a FIFO reset cmd, a cmd that depends * on what the current framing is, the address of the TX length byte 1 @@ -821,6 +822,7 @@ static int trf7970a_config_framing(struct trf7970a *trf, int framing) trf->iso_ctrl |= TRF7970A_ISO_CTRL_RX_CRC_N; break; case NFC_DIGITAL_FRAMING_NFCA_STANDARD_WITH_CRC_A: + case NFC_DIGITAL_FRAMING_NFCA_T4T: trf->tx_cmd = TRF7970A_CMD_TRANSMIT; trf->iso_ctrl &= ~TRF7970A_ISO_CTRL_RX_CRC_N; break;