HID: remove initial reading of reports at connect
[muen/linux.git] / drivers / hid / i2c-hid / i2c-hid.c
index ea3c3546cef7f81f0f1c82b996c3ed5ab9fb26ed..042b90d451eeed2f4eafa05ed682d257289538f8 100644 (file)
@@ -508,66 +508,6 @@ static int i2c_hid_get_report_length(struct hid_report *report)
                report->device->report_enum[report->type].numbered + 2;
 }
 
-static void i2c_hid_init_report(struct hid_report *report, u8 *buffer,
-       size_t bufsize)
-{
-       struct hid_device *hid = report->device;
-       struct i2c_client *client = hid->driver_data;
-       struct i2c_hid *ihid = i2c_get_clientdata(client);
-       unsigned int size, ret_size;
-
-       size = i2c_hid_get_report_length(report);
-       if (i2c_hid_get_report(client,
-                       report->type == HID_FEATURE_REPORT ? 0x03 : 0x01,
-                       report->id, buffer, size))
-               return;
-
-       i2c_hid_dbg(ihid, "report (len=%d): %*ph\n", size, size, buffer);
-
-       ret_size = buffer[0] | (buffer[1] << 8);
-
-       if (ret_size != size) {
-               dev_err(&client->dev, "error in %s size:%d / ret_size:%d\n",
-                       __func__, size, ret_size);
-               return;
-       }
-
-       /* hid->driver_lock is held as we are in probe function,
-        * we just need to setup the input fields, so using
-        * hid_report_raw_event is safe. */
-       hid_report_raw_event(hid, report->type, buffer + 2, size - 2, 1);
-}
-
-/*
- * Initialize all reports
- */
-static void i2c_hid_init_reports(struct hid_device *hid)
-{
-       struct hid_report *report;
-       struct i2c_client *client = hid->driver_data;
-       struct i2c_hid *ihid = i2c_get_clientdata(client);
-       u8 *inbuf = kzalloc(ihid->bufsize, GFP_KERNEL);
-
-       if (!inbuf) {
-               dev_err(&client->dev, "can not retrieve initial reports\n");
-               return;
-       }
-
-       /*
-        * The device must be powered on while we fetch initial reports
-        * from it.
-        */
-       pm_runtime_get_sync(&client->dev);
-
-       list_for_each_entry(report,
-               &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
-               i2c_hid_init_report(report, inbuf, ihid->bufsize);
-
-       pm_runtime_put(&client->dev);
-
-       kfree(inbuf);
-}
-
 /*
  * Traverse the supplied list of reports and find the longest
  */
@@ -789,9 +729,6 @@ static int i2c_hid_start(struct hid_device *hid)
                        return ret;
        }
 
-       if (!(hid->quirks & HID_QUIRK_NO_INIT_REPORTS))
-               i2c_hid_init_reports(hid);
-
        return 0;
 }