diff options
Diffstat (limited to 'drivers/hid/hid-rmi.c')
| -rw-r--r-- | drivers/hid/hid-rmi.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c index e2a43a1d3aa3..6e74eae6b652 100644 --- a/drivers/hid/hid-rmi.c +++ b/drivers/hid/hid-rmi.c @@ -751,6 +751,7 @@ static int rmi_populate_f11(struct hid_device *hdev) bool has_gestures; bool has_rel; bool has_data40 = false; + bool has_dribble = false; unsigned x_size, y_size; u16 query_offset; @@ -792,6 +793,14 @@ static int rmi_populate_f11(struct hid_device *hdev) has_rel = !!(buf[0] & BIT(3)); has_gestures = !!(buf[0] & BIT(5)); + ret = rmi_read(hdev, data->f11.query_base_addr + 5, buf); + if (ret) { + hid_err(hdev, "can not get absolute data sources: %d.\n", ret); + return ret; + } + + has_dribble = !!(buf[0] & BIT(4)); + /* * At least 4 queries are guaranteed to be present in F11 * +1 for query 5 which is present since absolute events are @@ -908,6 +917,16 @@ static int rmi_populate_f11(struct hid_device *hdev) data->max_x = buf[6] | (buf[7] << 8); data->max_y = buf[8] | (buf[9] << 8); + if (has_dribble) { + buf[0] = buf[0] & ~BIT(6); + ret = rmi_write(hdev, data->f11.control_base_addr, buf); + if (ret) { + hid_err(hdev, "can not write to control reg 0: %d.\n", + ret); + return ret; + } + } + return 0; } |