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

From: BÃlint Czobor
Date: Tue Oct 27 2015 - 04:48:24 EST


From: JP Abgrall <jpa@xxxxxxxxxx>

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

Signed-off-by: JP Abgrall <jpa@xxxxxxxxxx>
Signed-off-by: BÃlint Czobor <czoborbalint@xxxxxxxxx>
---
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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