diff options
Diffstat (limited to 'drivers/hid/wacom_sys.c')
| -rw-r--r-- | drivers/hid/wacom_sys.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 18d5b99d13f1..c4d4464c7b21 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -118,18 +118,23 @@ static void wacom_feature_mapping(struct hid_device *hdev, u32 n; switch (equivalent_usage) { + case WACOM_HID_WD_TOUCH_RING_SETTING: + wacom->generic_has_leds = true; + break; case HID_DG_CONTACTMAX: /* leave touch_max as is if predefined */ if (!features->touch_max) { /* read manually */ - data = kzalloc(2, GFP_KERNEL); + n = hid_report_len(field->report); + data = hid_alloc_report_buf(field->report, GFP_KERNEL); if (!data) break; data[0] = field->report->id; ret = wacom_get_report(hdev, HID_FEATURE_REPORT, - data, 2, WAC_CMD_RETRIES); - if (ret == 2) { - features->touch_max = data[1]; + data, n, WAC_CMD_RETRIES); + if (ret == n) { + ret = hid_report_raw_event(hdev, + HID_FEATURE_REPORT, data, n, 0); } else { features->touch_max = 16; hid_warn(hdev, "wacom_feature_mapping: " |