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authorSamuel Ortiz <sameo@linux.intel.com>2011-12-14 16:43:10 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-12-14 14:50:13 -0500
commit541d920b05b538ec0d9ae8ce619ee4fc6fb19e32 (patch)
treee83cbcc06cf2e9a3c34e4fceb222730469117a77 /drivers/nfc/pn533.c
parent1ed28f610653e9b18433c6d87e9d333b7e3e886e (diff)
downloadblackbird-op-linux-541d920b05b538ec0d9ae8ce619ee4fc6fb19e32.tar.gz
blackbird-op-linux-541d920b05b538ec0d9ae8ce619ee4fc6fb19e32.zip
NFC: Set and get DEP general bytes
Without an API for setting and getting the local and remote general bytes, drivers won't be able to properly establish a DEP link. This API also allows them to propagate the remote general bytes they get from the DEP link establishment up to the LLCP layer. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/nfc/pn533.c')
-rw-r--r--drivers/nfc/pn533.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index ea1caaeed13c..dccd96552f5d 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -1121,6 +1121,7 @@ static int pn533_activate_target_nfcdep(struct pn533 *dev)
{
struct pn533_cmd_activate_param param;
struct pn533_cmd_activate_response *resp;
+ u16 gt_len;
int rc;
nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
@@ -1146,7 +1147,11 @@ static int pn533_activate_target_nfcdep(struct pn533 *dev)
if (rc != PN533_CMD_RET_SUCCESS)
return -EIO;
- return 0;
+ /* ATR_RES general bytes are located at offset 16 */
+ gt_len = PN533_FRAME_CMD_PARAMS_LEN(dev->in_frame) - 16;
+ rc = nfc_set_remote_general_bytes(dev->nfc_dev, resp->gt, gt_len);
+
+ return rc;
}
static int pn533_activate_target(struct nfc_dev *nfc_dev, u32 target_idx,
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