Input: bcm5974 - set BUTTONPAD property

commit 52965cc012f7a3cf35f06485ec275ebf3b3fddae upstream.

Some bcm5974 trackpads have a physical button beneath the physical surface.
This patch sets the property bit so user space applications can detect the
trackpad type and act accordingly.

Signed-off-by: Jussi Pakkanen <jussi.pakkanen@canonical.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Cc: maximilian attems <max@stro.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 3126983c004a96860d4b042295eec0cce7b09ef1..13e38ffec35bb6274dbeedd377146d6ec24b545a 100644 (file)
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -373,6 +373,9 @@ static void setup_events_to_report(struct input_dev *input_dev,
        __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
        __set_bit(BTN_LEFT, input_dev->keybit);
 
+       if (cfg->caps & HAS_INTEGRATED_BUTTON)
+               __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit);
+
        input_set_events_per_packet(input_dev, 60);
 }