Input: bcm5974 - add BTN_TOUCH event for mousedev benefit

The mousedev driver requires the use of BTN_TOUCH events to process
ABS_X and ABS_Y events properly, which is what is needed for the
bcm5974-based apple computers to have a functional pointer out-of-the-box.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 8568211c5564..18f4d7f6ce6d 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -253,6 +253,7 @@ static void setup_events_to_report(struct input_dev *input_dev,
                                 0, cfg->y.dim, cfg->y.fuzz, 0);
 
         __set_bit(EV_KEY, input_dev->evbit);
+        __set_bit(BTN_TOUCH, input_dev->keybit);
         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
         __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
@@ -320,6 +321,7 @@ static int report_tp_state(struct bcm5974 *dev, int size)
         if (dev->fingers > nmax)
                 dev->fingers = nmax;
 
+        input_report_key(input, BTN_TOUCH, dev->fingers > 0);
         input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1);
         input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2);
         input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers > 2);