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authorChristophe Ricard <christophe.ricard@gmail.com>2015-10-25 22:54:23 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2015-10-26 06:53:12 +0100
commitfa6fbadea5d3618339fae8f9d5136a470bad4fa7 (patch)
tree00c9d30f720c9c90cddfbe19c56a3cec24cba215 /net/nfc/nci/hci.c
parente65917b6d54f8b47d8293ea96adfa604fd46cf0d (diff)
NFC: nci: add nci_hci_clear_all_pipes functions
nci_hci_clear_all_pipes might be use full in some cases for example after a firmware update. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/nci/hci.c')
-rw-r--r--net/nfc/nci/hci.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index 30b09f04c142..6f477d21adfd 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -70,6 +70,7 @@ struct nci_hcp_packet {
#define NCI_HCI_ANY_SET_PARAMETER 0x01
#define NCI_HCI_ANY_GET_PARAMETER 0x02
#define NCI_HCI_ANY_CLOSE_PIPE 0x04
+#define NCI_HCI_ADM_CLEAR_ALL_PIPE 0x14
#define NCI_HFP_NO_CHAINING 0x80
@@ -267,6 +268,20 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,
}
EXPORT_SYMBOL(nci_hci_send_cmd);
+int nci_hci_clear_all_pipes(struct nci_dev *ndev)
+{
+ int r;
+
+ r = nci_hci_send_cmd(ndev, NCI_HCI_ADMIN_GATE,
+ NCI_HCI_ADM_CLEAR_ALL_PIPE, NULL, 0, NULL);
+ if (r < 0)
+ return r;
+
+ nci_hci_reset_pipes(ndev->hci_dev);
+ return r;
+}
+EXPORT_SYMBOL(nci_hci_clear_all_pipes);
+
static void nci_hci_event_received(struct nci_dev *ndev, u8 pipe,
u8 event, struct sk_buff *skb)
{