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authorSean Young <sean@mess.org>2013-07-31 00:00:01 +0200
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-08-22 16:46:46 +0200
commit153a60bb0faca59bfde313d4c713d9420e475b75 (patch)
tree73f680efd324624e584037c30816b311618d282d /drivers/media/rc
parent[media] redrat3: ensure whole packet is read (diff)
downloadlinux-153a60bb0faca59bfde313d4c713d9420e475b75.tar.xz
linux-153a60bb0faca59bfde313d4c713d9420e475b75.zip
[media] rc: add feedback led trigger for rc keypresses
Many devices with an ir receiver also have a feedback led. Add the led trigger to support this. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/rc-main.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 1dedebda1cef..aa5d8e724622 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -16,6 +16,7 @@
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/input.h>
+#include <linux/leds.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/module.h>
@@ -31,6 +32,7 @@
/* Used to keep track of known keymaps */
static LIST_HEAD(rc_map_list);
static DEFINE_SPINLOCK(rc_map_lock);
+static struct led_trigger *led_feedback;
static struct rc_map_list *seek_rc_map(const char *name)
{
@@ -535,6 +537,7 @@ static void ir_do_keyup(struct rc_dev *dev, bool sync)
IR_dprintk(1, "keyup key 0x%04x\n", dev->last_keycode);
input_report_key(dev->input_dev, dev->last_keycode, 0);
+ led_trigger_event(led_feedback, LED_OFF);
if (sync)
input_sync(dev->input_dev);
dev->keypressed = false;
@@ -648,6 +651,7 @@ static void ir_do_keydown(struct rc_dev *dev, int scancode,
input_report_key(dev->input_dev, keycode, 1);
}
+ led_trigger_event(led_feedback, LED_FULL);
input_sync(dev->input_dev);
}
@@ -1222,6 +1226,7 @@ static int __init rc_core_init(void)
return rc;
}
+ led_trigger_register_simple("rc-feedback", &led_feedback);
rc_map_register(&empty_map);
return 0;
@@ -1230,6 +1235,7 @@ static int __init rc_core_init(void)
static void __exit rc_core_exit(void)
{
class_unregister(&rc_class);
+ led_trigger_unregister_simple(led_feedback);
rc_map_unregister(&empty_map);
}