input: misc: keychord: log when keychord triggered

log keychord id at info level just before waking up processes.

Signed-off-by: JP Abgrall <jpa@google.com>

diff --git a/drivers/input/misc/keychord.c b/drivers/input/misc/keychord.c
index 3ffab6da411b54ec7d7a7012fd051df803b8e8d2..a5ea27ad0e16c658d7ac2e3629e647c1b9f9cff2 100644 (file)
--- a/drivers/input/misc/keychord.c
+++ b/drivers/input/misc/keychord.c
@@ -126,8 +126,12 @@ static void keychord_event(struct input_handle *handle, unsigned int type,
 done:
        spin_unlock_irqrestore(&kdev->lock, flags);
 
-       if (got_chord)
+       if (got_chord) {
+               pr_info("keychord: got keychord id %d. Any tasks: %d\n",
+                       keychord->id,
+                       !list_empty_careful(&kdev->waitq.task_list));
                wake_up_interruptible(&kdev->waitq);
+       }
 }
 
 static int keychord_connect(struct input_handler *handler,