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input: Call keyboard's update_leds() method when the LEDs change

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We should request keyboard to turn on/off its LED when detecting
any changes on the LEDs.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Minor changes to allow this to build without CONFIG_DM_KEYBOARD:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-11-12 05:33:02 -08:00 committed by Simon Glass
parent 533c81a949
commit cd810918fd
1 changed files with 15 additions and 0 deletions
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15
drivers/input/input.c
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@ -8,9 +8,13 @@
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <stdio_dev.h>
#include <input.h>
#ifdef CONFIG_DM_KEYBOARD
#include <keyboard.h>
#endif
#include <linux/input.h>
enum {
@ -235,6 +239,10 @@ int input_getc(struct input_config *config)
static struct input_key_xlate *process_modifier(struct input_config *config,
int key, int release)
{
#ifdef CONFIG_DM_KEYBOARD
struct udevice *dev = config->dev;
struct keyboard_ops *ops = keyboard_get_ops(dev);
#endif
struct input_key_xlate *table;
int i;
@ -276,6 +284,13 @@ static struct input_key_xlate *process_modifier(struct input_config *config,
leds |= INPUT_LED_SCROLL;
config->leds = leds;
config->leds_changed = flip;
#ifdef CONFIG_DM_KEYBOARD
if (ops->update_leds) {
if (ops->update_leds(dev, config->leds))
debug("Update keyboard's LED failed\n");
}
#endif
}
}