summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/nfc/pn533.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index ff3e19d..125d995 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -168,8 +168,9 @@ struct pn533_fw_version {
#define PN533_CFGITEM_MAX_RETRIES 0x05
#define PN533_CFGITEM_PASORI 0x82
-#define PN533_CFGITEM_RF_FIELD_ON 0x1
-#define PN533_CFGITEM_RF_FIELD_OFF 0x0
+#define PN533_CFGITEM_RF_FIELD_AUTO_RFCA 0x2
+#define PN533_CFGITEM_RF_FIELD_ON 0x1
+#define PN533_CFGITEM_RF_FIELD_OFF 0x0
#define PN533_CONFIG_TIMING_102 0xb
#define PN533_CONFIG_TIMING_204 0xc
@@ -1696,7 +1697,7 @@ static void pn533_wq_rf(struct work_struct *work)
return;
*skb_put(skb, 1) = PN533_CFGITEM_RF_FIELD;
- *skb_put(skb, 1) = 0;
+ *skb_put(skb, 1) = PN533_CFGITEM_RF_FIELD_AUTO_RFCA;
rc = pn533_send_cmd_async(dev, PN533_CMD_RF_CONFIGURATION, skb,
pn533_rf_complete, NULL);
@@ -2598,6 +2599,8 @@ static int pn533_rf_field(struct nfc_dev *nfc_dev, u8 rf)
u8 rf_field = !!rf;
int rc;
+ rf_field |= PN533_CFGITEM_RF_FIELD_AUTO_RFCA;
+
rc = pn533_set_configuration(dev, PN533_CFGITEM_RF_FIELD,
(u8 *)&rf_field, 1);
if (rc) {
OpenPOWER on IntegriCloud