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[2/3] input: misc: keychord: log when keychord triggered

Message ID 1445935676-5830-1-git-send-email-czoborbalint@gmail.com (mailing list archive)
State Rejected
Headers show

Commit Message

Balint Czobor Oct. 27, 2015, 8:47 a.m. UTC 
From: JP Abgrall <jpa@google.com>

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

Signed-off-by: JP Abgrall <jpa@google.com>
Signed-off-by: Bálint Czobor <czoborbalint@gmail.com>
---
 drivers/input/misc/keychord.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/input/misc/keychord.c b/drivers/input/misc/keychord.c
index 3ffab6d..a5ea27a 100644
--- 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,