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| author | Jiri Kosina <jkosina@suse.cz> | 2017-11-22 13:19:51 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-11-24 16:40:23 +0300 |
| commit | 9abd04af951e5734c9d5cfee9b49790844b734cf (patch) | |
| tree | 2eff2f8d420d6ca59fc41f094b2311a54827c445 | |
| parent | 20df15783a44a289aaa8c8f83b3f715f9040c9c2 (diff) | |
| download | linux-9abd04af951e5734c9d5cfee9b49790844b734cf.tar.xz | |
HID: elo: clear BTN_LEFT mapping
ELO devices have one Button usage in GenDesk field, which makes hid-input map
it to BTN_LEFT; that confuses userspace, which then considers the device to be
a mouse/touchpad instead of touchscreen.
Fix that by unmapping BTN_LEFT and keeping only BTN_TOUCH in place.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| -rw-r--r-- | drivers/hid/hid-elo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c index 0cd4f7216239..5eea6fe0d7bd 100644 --- a/drivers/hid/hid-elo.c +++ b/drivers/hid/hid-elo.c @@ -42,6 +42,12 @@ static int elo_input_configured(struct hid_device *hdev, { struct input_dev *input = hidinput->input; + /* + * ELO devices have one Button usage in GenDesk field, which makes + * hid-input map it to BTN_LEFT; that confuses userspace, which then + * considers the device to be a mouse/touchpad instead of touchscreen. + */ + clear_bit(BTN_LEFT, input->keybit); set_bit(BTN_TOUCH, input->keybit); set_bit(ABS_PRESSURE, input->absbit); input_set_abs_params(input, ABS_PRESSURE, 0, 256, 0, 0); |