New Intuos series models added a hardware switch to turn touch
data on/off. The state of the switch is reported periodically
from the tablet. To report the state, SW_MUTE_DEVICE is added
in include/uapi/linux/input.h.
Reviewed_by: Chris Bagwell <chris@xxxxxxxxxxxxxx>
Acked-by: Peter Hutterer <peter.hutterer@xxxxxxxxx>
Tested-by: Jason Gerecke <killertofu@xxxxxxxxx>
Signed-off-by: Ping Cheng <pingc@xxxxxxxxx>
---
v4: Changed SW_TOUCH to SW_MUTE_DEVICE as suggested by Dmitry.
---
drivers/input/tablet/wacom_sys.c | 12 ++++++++++++
drivers/input/tablet/wacom_wac.c | 30 +++++++++++++++++++++++++++---
drivers/input/tablet/wacom_wac.h | 5 +++++
include/uapi/linux/input.h | 1 +
4 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 3a7d99c..bb72fa3 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -1193,6 +1193,8 @@ static void wacom_wireless_work(struct work_struct *work)
wacom_wac1->features.device_type = BTN_TOOL_PEN;
snprintf(wacom_wac1->name, WACOM_NAME_MAX, "%s (WL) Pen",
wacom_wac1->features.name);
+ wacom_wac1->shared->touch_max = wacom_wac1->features.touch_max;
+ wacom_wac1->shared->type = wacom_wac1->features.type;
error = wacom_register_input(wacom1);
if (error)
goto fail;
@@ -1214,6 +1216,10 @@ static void wacom_wireless_work(struct work_struct *work)
error = wacom_register_input(wacom2);
if (error)
goto fail;
+
+ if (wacom_wac1->features.type == INTUOSHT &&
+ wacom_wac1->features.touch_max)
+ wacom_wac->shared->touch_input = wacom_wac2->input;
}
error = wacom_initialize_battery(wacom);
@@ -1392,6 +1398,12 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
goto fail5;
}
}
+
+ if (wacom_wac->features.type == INTUOSHT && wacom_wac->features.touch_max) {
+ if (wacom_wac->features.device_type == BTN_TOOL_FINGER)
+ wacom_wac->shared->touch_input = wacom_wac->input;
+ }
+
return 0;
fail5: wacom_destroy_leds(wacom);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index eb60a28..4892366 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1219,13 +1219,23 @@ static int wacom_bpt3_touch(struct wacom_wac *wacom)
static int wacom_bpt_pen(struct wacom_wac *wacom)
{
+ struct wacom_features *features = &wacom->features;
struct input_dev *input = wacom->input;
unsigned char *data = wacom->data;
int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
- if (data[0] != WACOM_REPORT_PENABLED)
+ if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_USB)
return 0;
+ if (data[0] == WACOM_REPORT_USB) {
+ if ((features->type == INTUOSHT) && features->touch_max) {
+ input_report_switch(wacom->shared->touch_input,
+ SW_MUTE_DEVICE, data[8] & 0x40);
+ input_sync(wacom->shared->touch_input);
+ }
+ return 0;
+ }
+
prox = (data[1] & 0x20) == 0x20;
/*
@@ -1258,8 +1268,8 @@ static int wacom_bpt_pen(struct wacom_wac *wacom)
* touching and applying pressure; do not report negative
* distance.
*/
- if (data[8] <= wacom->features.distance_max)
- d = wacom->features.distance_max - data[8];
+ if (data[8] <= features->distance_max)
+ d = features->distance_max - data[8];
pen = data[1] & 0x01;
btn1 = data[1] & 0x02;
@@ -1310,6 +1320,13 @@ static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
if (connected) {
int pid, battery;
+ if ((wacom->shared->type == INTUOSHT) &&
+ wacom->shared->touch_max) {
+ input_report_switch(wacom->shared->touch_input,
+ SW_MUTE_DEVICE, data[5] & 0x40);
+ input_sync(wacom->shared->touch_input);
+ }
+
pid = get_unaligned_be16(&data[6]);
battery = data[5] & 0x3f;
if (wacom->pid != pid) {
@@ -1779,6 +1796,13 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
break;
case INTUOSHT:
+ if (features->touch_max &&
+ (features->device_type == BTN_TOOL_FINGER)) {
+ input_dev->evbit[0] |= BIT_MASK(EV_SW);
+ __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
+ }
+ /* fall through */
+
case BAMBOO_PT:
__clear_bit(ABS_MISC, input_dev->absbit);
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 854cceb..3600cf7 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -55,6 +55,7 @@
#define WACOM_REPORT_TPC1FGE 18
#define WACOM_REPORT_24HDT 1
#define WACOM_REPORT_WL 128
+#define WACOM_REPORT_USB 192
/* device quirks */
#define WACOM_QUIRK_MULTI_INPUT 0x0001
@@ -131,6 +132,10 @@ struct wacom_features {
struct wacom_shared {
bool stylus_in_proximity;
bool touch_down;
+ /* for wireless device to access USB interfaces */
+ unsigned touch_max;
+ int type;
+ struct input_dev *touch_input;
};
struct wacom_wac {
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index a372627..c1f07c9 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -856,6 +856,7 @@ struct input_keymap_entry {
#define SW_FRONT_PROXIMITY 0x0b /* set = front proximity sensor active */
#define SW_ROTATE_LOCK 0x0c /* set = rotate locked/disabled */
#define SW_LINEIN_INSERT 0x0d /* set = inserted */
+#define SW_MUTE_DEVICE 0x0e /* set = device disabled */
#define SW_MAX 0x0f
#define SW_CNT (SW_MAX+1)
--
1.8.3.2
--
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