HID: Add the transport-driver functions to the HIDP driver.

Add raw_request, set_raw_report and output_report transport-driver functions to
the HIDP driver.

Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Acked-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 90 insertions, 0 deletions

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 292e619db896..b062cee3f319 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -353,6 +353,71 @@ err:
         return ret;
 }
 
+static int hidp_set_raw_report(struct hid_device *hid, unsigned char reportnum,
+                               unsigned char *data, size_t count,
+                               unsigned char report_type)
+{
+        struct hidp_session *session = hid->driver_data;
+        int ret;
+
+        switch (report_type) {
+        case HID_FEATURE_REPORT:
+                report_type = HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_FEATURE;
+                break;
+        case HID_INPUT_REPORT:
+                report_type = HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_INPUT;
+                break;
+        case HID_OUTPUT_REPORT:
+                report_type = HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_OUPUT;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        if (mutex_lock_interruptible(&session->report_mutex))
+                return -ERESTARTSYS;
+
+        /* Set up our wait, and send the report request to the device. */
+        data[0] = reportnum;
+        set_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags);
+        ret = hidp_send_ctrl_message(session, report_type, data, count);
+        if (ret)
+                goto err;
+
+        /* Wait for the ACK from the device. */
+        while (test_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags) &&
+               !atomic_read(&session->terminate)) {
+                int res;
+
+                res = wait_event_interruptible_timeout(session->report_queue,
+                        !test_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags)
+                                || atomic_read(&session->terminate),
+                        10*HZ);
+                if (res == 0) {
+                        /* timeout */
+                        ret = -EIO;
+                        goto err;
+                }
+                if (res < 0) {
+                        /* signal */
+                        ret = -ERESTARTSYS;
+                        goto err;
+                }
+        }
+
+        if (!session->output_report_success) {
+                ret = -EIO;
+                goto err;
+        }
+
+        ret = count;
+
+err:
+        clear_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags);
+        mutex_unlock(&session->report_mutex);
+        return ret;
+}
+
 static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count,
                 unsigned char report_type)
 {
@@ -411,6 +476,29 @@ err:
         return ret;
 }
 
+static int hidp_raw_request(struct hid_device *hid, unsigned char reportnum,
+                            __u8 *buf, size_t len, unsigned char rtype,
+                            int reqtype)
+{
+        switch (reqtype) {
+        case HID_REQ_GET_REPORT:
+                return hidp_get_raw_report(hid, reportnum, buf, len, rtype);
+        case HID_REQ_SET_REPORT:
+                return hidp_set_raw_report(hid, reportnum, buf, len, rtype);
+        default:
+                return -EIO;
+        }
+}
+
+static int hidp_output_report(struct hid_device *hid, __u8 *data, size_t count)
+{
+        struct hidp_session *session = hid->driver_data;
+
+        return hidp_send_intr_message(session,
+                                      HIDP_TRANS_DATA | HIDP_DATA_RTYPE_OUPUT,
+                                      data, count);
+}
+
 static void hidp_idle_timeout(unsigned long arg)
 {
         struct hidp_session *session = (struct hidp_session *) arg;
@@ -727,6 +815,8 @@ static struct hid_ll_driver hidp_hid_driver = {
         .stop = hidp_stop,
         .open  = hidp_open,
         .close = hidp_close,
+        .raw_request = hidp_raw_request,
+        .output_report = hidp_output_report,
         .hidinput_input_event = hidp_hidinput_event,
 };