diff options
| author | Nikolai Kondrashov <spbnick@gmail.com> | 2012-03-20 18:01:32 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-03-28 12:39:54 +0400 |
| commit | b73b2da0353d15b712b27b1aed3c50856bdfc341 (patch) | |
| tree | b05bb06a82e54edb3c1c5d8b3c431d14901fa099 /drivers/hid/hid-input.c | |
| parent | d464c92b5234227c1698862a1906827e2e398ae0 (diff) | |
| download | linux-b73b2da0353d15b712b27b1aed3c50856bdfc341.tar.xz | |
HID: hid-input: Add digitizer tilt usage support
Add digitizer X Tilt and Y Tilt usage support along with resolution calculation.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-input.c')
| -rw-r--r-- | drivers/hid/hid-input.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 002781c5a616..22d8ce6d5a59 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -225,7 +225,10 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) * Verify and convert units. * See HID specification v1.11 6.2.2.7 Global Items for unit decoding */ - if (code == ABS_X || code == ABS_Y || code == ABS_Z) { + switch (code) { + case ABS_X: + case ABS_Y: + case ABS_Z: if (field->unit == 0x11) { /* If centimeters */ /* Convert to millimeters */ unit_exponent += 1; @@ -239,7 +242,13 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) } else { return 0; } - } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) { + break; + + case ABS_RX: + case ABS_RY: + case ABS_RZ: + case ABS_TILT_X: + case ABS_TILT_Y: if (field->unit == 0x14) { /* If degrees */ /* Convert to radians */ prev = logical_extents; @@ -250,7 +259,9 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) } else if (field->unit != 0x12) { /* If not radians */ return 0; } - } else { + break; + + default: return 0; } @@ -623,6 +634,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel map_key_clear(BTN_TOOL_RUBBER); break; + case 0x3d: /* X Tilt */ + map_abs_clear(ABS_TILT_X); + break; + + case 0x3e: /* Y Tilt */ + map_abs_clear(ABS_TILT_Y); + break; + case 0x33: /* Touch */ case 0x42: /* TipSwitch */ case 0x43: /* TipSwitch2 */ |