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Message-id: <20161218111138.12831-5-andi.shyti@samsung.com>
Date: Sun, 18 Dec 2016 20:11:36 +0900
From: Andi Shyti <andi.shyti@...sung.com>
To: Mauro Carvalho Chehab <mchehab@....samsung.com>,
Sean Young <sean@...s.org>, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Richard Purdie <rpurdie@...ys.net>,
Jacek Anaszewski <j.anaszewski@...sung.com>,
Heiner Kallweit <hkallweit1@...il.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
Andi Shyti <andi.shyti@...sung.com>,
Andi Shyti <andi@...zian.org>
Subject: [PATCH v6 4/6] [media] rc-ir-raw: do not generate any receiving thread
for raw transmitters
Raw IR transmitters do not need any thread listening for
occurring events. Check the driver type before running the
thread.
Signed-off-by: Andi Shyti <andi.shyti@...sung.com>
Reviewed-by: Sean Young <sean@...s.org>
---
drivers/media/rc/rc-ir-raw.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
index 1c42a9f2f290..9938e42e0c0b 100644
--- a/drivers/media/rc/rc-ir-raw.c
+++ b/drivers/media/rc/rc-ir-raw.c
@@ -270,12 +270,19 @@ int ir_raw_event_register(struct rc_dev *dev)
INIT_KFIFO(dev->raw->kfifo);
spin_lock_init(&dev->raw->lock);
- dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw,
- "rc%u", dev->minor);
- if (IS_ERR(dev->raw->thread)) {
- rc = PTR_ERR(dev->raw->thread);
- goto out;
+ /*
+ * raw transmitters do not need any event registration
+ * because the event is coming from userspace
+ */
+ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
+ dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw,
+ "rc%u", dev->minor);
+
+ if (IS_ERR(dev->raw->thread)) {
+ rc = PTR_ERR(dev->raw->thread);
+ goto out;
+ }
}
mutex_lock(&ir_raw_handler_lock);
--
2.11.0
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