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

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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>
This commit is contained in:
Frank Praznik 2014-01-22 13:49:44 -05:00 committed by Jiri Kosina
parent 596cfdd80a
commit 0a7f364e81
1 changed files with 90 additions and 0 deletions
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90
net/bluetooth/hidp/core.c
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@ -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,
};