diff options
| author | Henrik Rydberg <rydberg@euromail.se> | 2010-10-11 21:16:43 +0200 |
|---|---|---|
| committer | Henrik Rydberg <rydberg@euromail.se> | 2010-12-16 10:43:37 +0100 |
| commit | 80a469e4f4d01ad96447f85cc71a379ec82ffe2d (patch) | |
| tree | 9aeafae05421da0e8bd9b6553bad09b09ad5afff /drivers/hid | |
| parent | hid: egalax: Correct for device resolution report error (diff) | |
| download | linux-80a469e4f4d01ad96447f85cc71a379ec82ffe2d.tar.xz linux-80a469e4f4d01ad96447f85cc71a379ec82ffe2d.zip | |
hid: egalax: Report zero as minimum pressure
The firmware reports a logical minimum of one, but in order for
userspace applications to correctly map all reported values to
non-zero pressure, the driver needs to report a logical minimum of
zero. Fixed with this patch.
Tested-by: Philipp Merkel <mail@philmerk.de>
Cc: Stephane Chatty <chatty@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-egalax.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c index 733bebc885db..aac8a6326bbd 100644 --- a/drivers/hid/hid-egalax.c +++ b/drivers/hid/hid-egalax.c @@ -90,6 +90,7 @@ static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi, set_abs(input, ABS_MT_TRACKING_ID, field, 0); return 1; case HID_DG_TIPPRESSURE: + field->logical_minimum = 0; hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_PRESSURE); set_abs(input, ABS_MT_PRESSURE, field, 0); |