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[media] rc: add feedback led trigger for rc keypresses

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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>
This commit is contained in:
Sean Young 2013-07-30 19:00:01 -03:00 committed by Mauro Carvalho Chehab
parent 38e35a8528
commit 153a60bb0f
1 changed files with 6 additions and 0 deletions
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6
drivers/media/rc/rc-main.c
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@ -16,6 +16,7 @@
#include <linux/spinlock.h> #include <linux/spinlock.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/input.h> #include <linux/input.h>
#include <linux/leds.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/device.h> #include <linux/device.h>
#include <linux/module.h> #include <linux/module.h>
@ -31,6 +32,7 @@
/* Used to keep track of known keymaps */ /* Used to keep track of known keymaps */
static LIST_HEAD(rc_map_list); static LIST_HEAD(rc_map_list);
static DEFINE_SPINLOCK(rc_map_lock); static DEFINE_SPINLOCK(rc_map_lock);
static struct led_trigger *led_feedback;
static struct rc_map_list *seek_rc_map(const char *name) 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); IR_dprintk(1, "keyup key 0x%04x\n", dev->last_keycode);
input_report_key(dev->input_dev, dev->last_keycode, 0); input_report_key(dev->input_dev, dev->last_keycode, 0);
led_trigger_event(led_feedback, LED_OFF);
if (sync) if (sync)
input_sync(dev->input_dev); input_sync(dev->input_dev);
dev->keypressed = false; 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); input_report_key(dev->input_dev, keycode, 1);
} }
led_trigger_event(led_feedback, LED_FULL);
input_sync(dev->input_dev); input_sync(dev->input_dev);
} }
@ -1222,6 +1226,7 @@ static int __init rc_core_init(void)
return rc; return rc;
} }
led_trigger_register_simple("rc-feedback", &led_feedback);
rc_map_register(&empty_map); rc_map_register(&empty_map);
return 0; return 0;
@ -1230,6 +1235,7 @@ static int __init rc_core_init(void)
static void __exit rc_core_exit(void) static void __exit rc_core_exit(void)
{ {
class_unregister(&rc_class); class_unregister(&rc_class);
led_trigger_unregister_simple(led_feedback);
rc_map_unregister(&empty_map); rc_map_unregister(&empty_map);
} }