HID: wacom: Add pad buttons reporting on Intuos4 WL
This patch adds reporting of 1 wheel button and 8 strip buttons for Intuos4 WL.
The buttons are reported as BTN_0 to BTN_9. The change of type butstate variable
is required as the old type 'char' couldn't store state of 9 buttons. The change
is not affecting Graphire tablet as it only uses first 2 bits of 'butstate'.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Acked-by：Ping Cheng <pinglinux@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 5a58db2..58aedbc 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -31,9 +31,11 @@
#include "hid-ids.h"
+#define PAD_DEVICE_ID 0x0F
+
struct wacom_data {
__u16 tool;
- unsigned char butstate;
+ __u16 butstate;
__u8 features;
__u32 id;
__u32 serial;
@@ -316,6 +318,30 @@
return 1;
}
+static void wacom_i4_parse_button_report(struct wacom_data *wdata,
+ struct input_dev *input, unsigned char *data)
+{
+ __u16 new_butstate;
+
+ new_butstate = (data[3] << 1) | (data[2] & 0x01);
+ if (new_butstate != wdata->butstate) {
+ wdata->butstate = new_butstate;
+ input_report_key(input, BTN_0, new_butstate & 0x001);
+ input_report_key(input, BTN_1, new_butstate & 0x002);
+ input_report_key(input, BTN_2, new_butstate & 0x004);
+ input_report_key(input, BTN_3, new_butstate & 0x008);
+ input_report_key(input, BTN_4, new_butstate & 0x010);
+ input_report_key(input, BTN_5, new_butstate & 0x020);
+ input_report_key(input, BTN_6, new_butstate & 0x040);
+ input_report_key(input, BTN_7, new_butstate & 0x080);
+ input_report_key(input, BTN_8, new_butstate & 0x100);
+ input_report_key(input, BTN_TOOL_FINGER, 1);
+ input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
+ input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
+ input_sync(input);
+ }
+}
+
static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
struct input_dev *input, unsigned char *data)
{
@@ -389,6 +415,7 @@
wdata->features = data[2];
break;
case 0x0C: /* Button report */
+ wacom_i4_parse_button_report(wdata, input, data);
break;
default:
hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]);
@@ -484,6 +511,13 @@
break;
case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
__set_bit(ABS_MISC, input->absbit);
+ __set_bit(BTN_2, input->keybit);
+ __set_bit(BTN_3, input->keybit);
+ __set_bit(BTN_4, input->keybit);
+ __set_bit(BTN_5, input->keybit);
+ __set_bit(BTN_6, input->keybit);
+ __set_bit(BTN_7, input->keybit);
+ __set_bit(BTN_8, input->keybit);
input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);