Add support for horizontal scrolling with Waltop Media Tablet 10.6 inch by
updating the fixed HID report descriptor.
The horizontal/vertical scrolling is toggled by pressing the wheels' center
buttons while in scroll mode, which wasn't discovered at the time the
support for this tablet was added.
Signed-off-by: Nikolai Kondrashov <spbnick@xxxxxxxxx>
---
drivers/hid/hid-waltop.c | 20 +++++++++++---------
1 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/hid/hid-waltop.c b/drivers/hid/hid-waltop.c
index 81cb4ed..b9d49e4 100644
--- a/drivers/hid/hid-waltop.c
+++ b/drivers/hid/hid-waltop.c
@@ -221,9 +221,10 @@ static __u8 slim_tablet_5_8_inch_rdesc_fixed[] = {
* wheels' function button in the newer version.
*
* The wheel functions are:
- * scroll - the wheels act as scroll wheels, the center buttons do nothing.
- * zoom - the wheels zoom in/out, the buttons supposedly reset to 100%.
- * volume - the wheels control the sound volume, the buttons mute.
+ * scroll - the wheels act as scroll wheels, the center buttons switch
+ * between vertical and horizontal scrolling;
+ * zoom - the wheels zoom in/out, the buttons supposedly reset to 100%;
+ * volume - the wheels control the sound volume, the buttons mute;
* brush - the wheels are supposed to control brush width in a graphics
* editor, the buttons do nothing.
*
@@ -460,16 +461,17 @@ static __u8 media_tablet_10_6_inch_rdesc_fixed[] = {
0x85, 0x01, /* Report ID (1), */
0x09, 0x01, /* Usage (Pointer), */
0xA0, /* Collection (Physical), */
- 0x95, 0x01, /* Report Count (1), */
- 0x75, 0x18, /* Report Size (24), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x03, /* Report Count (3), */
0x81, 0x03, /* Input (Constant, Variable), */
- 0x05, 0x01, /* Usage Page (Desktop), */
- 0x09, 0x38, /* Usage (Wheel), */
+ 0x95, 0x02, /* Report Count (2), */
0x15, 0xFF, /* Logical Minimum (-1), */
0x25, 0x01, /* Logical Maximum (1), */
- 0x75, 0x08, /* Report Size (8), */
+ 0x09, 0x38, /* Usage (Wheel), */
+ 0x0B, 0x38, 0x02, /* Usage (Consumer AC Pan), */
+ 0x0C, 0x00,
0x81, 0x06, /* Input (Variable, Relative), */
- 0x75, 0x18, /* Report Size (24), */
+ 0x95, 0x02, /* Report Count (2), */
0x81, 0x03, /* Input (Constant, Variable), */
0xC0, /* End Collection, */
0xC0, /* End Collection, */
--
1.7.1
--
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