NFC: nci: Add management for NCI state for machine rf_deactivate_ntf

A notification for rf deaction can be IDLE_MODE, SLEEP_MODE,
SLEEP_AF_MODE and DISCOVERY. According to each type and the NCI
state machine is different (see figure 10 RF Communication State
Machine in NCI specification)

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 14 insertions, 4 deletions

diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index ccc3606fd8b2..17ee28aff68f 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -680,11 +680,21 @@ static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev,
         if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags))
                 nci_data_exchange_complete(ndev, NULL, -EIO);
 
-        nci_clear_target_list(ndev);
-        if (ntf->type == NCI_DEACTIVATE_TYPE_DISCOVERY)
-                atomic_set(&ndev->state, NCI_DISCOVERY);
-        else
+        switch (ntf->type) {
+        case NCI_DEACTIVATE_TYPE_IDLE_MODE:
+                nci_clear_target_list(ndev);
                 atomic_set(&ndev->state, NCI_IDLE);
+                break;
+        case NCI_DEACTIVATE_TYPE_SLEEP_MODE:
+        case NCI_DEACTIVATE_TYPE_SLEEP_AF_MODE:
+                atomic_set(&ndev->state, NCI_W4_HOST_SELECT);
+                break;
+        case NCI_DEACTIVATE_TYPE_DISCOVERY:
+                nci_clear_target_list(ndev);
+                atomic_set(&ndev->state, NCI_DISCOVERY);
+                break;
+        }
+
         nci_req_complete(ndev, NCI_STATUS_OK);
 }