linux-kernel - [PATCH 2/3] input: misc: keychord: log when keychord triggered

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Message-Id: <1445935676-5830-1-git-send-email-czoborbalint@gmail.com>
Date:	Tue, 27 Oct 2015 09:47:56 +0100
From:	Bálint Czobor <czoborbalint@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Mark Brown <broonie@...nel.org>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	JP Abgrall <jpa@...gle.com>,
	Bálint Czobor <czoborbalint@...il.com>
Subject: [PATCH 2/3] input: misc: keychord: log when keychord triggered

From: JP Abgrall <jpa@...gle.com>

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

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

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,
-- 
1.7.9.5

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