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[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>
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38e35a8528
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153a60bb0f
1 changed files with 6 additions and 0 deletions
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@ -16,6 +16,7 @@
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#include <linux/spinlock.h>
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#include <linux/delay.h>
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#include <linux/input.h>
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#include <linux/leds.h>
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#include <linux/slab.h>
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#include <linux/device.h>
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#include <linux/module.h>
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@ -31,6 +32,7 @@
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/* Used to keep track of known keymaps */
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static LIST_HEAD(rc_map_list);
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static DEFINE_SPINLOCK(rc_map_lock);
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static struct led_trigger *led_feedback;
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static struct rc_map_list *seek_rc_map(const char *name)
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{
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@ -535,6 +537,7 @@ static void ir_do_keyup(struct rc_dev *dev, bool sync)
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IR_dprintk(1, "keyup key 0x%04x\n", dev->last_keycode);
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input_report_key(dev->input_dev, dev->last_keycode, 0);
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led_trigger_event(led_feedback, LED_OFF);
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if (sync)
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input_sync(dev->input_dev);
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dev->keypressed = false;
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@ -648,6 +651,7 @@ static void ir_do_keydown(struct rc_dev *dev, int scancode,
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input_report_key(dev->input_dev, keycode, 1);
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}
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led_trigger_event(led_feedback, LED_FULL);
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input_sync(dev->input_dev);
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}
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@ -1222,6 +1226,7 @@ static int __init rc_core_init(void)
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return rc;
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}
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led_trigger_register_simple("rc-feedback", &led_feedback);
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rc_map_register(&empty_map);
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return 0;
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@ -1230,6 +1235,7 @@ static int __init rc_core_init(void)
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static void __exit rc_core_exit(void)
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{
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class_unregister(&rc_class);
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led_trigger_unregister_simple(led_feedback);
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rc_map_unregister(&empty_map);
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}
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