input: Call keyboard's update_leds() method when the LEDs change
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>
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 575f4b6..e02e264 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -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 @@
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 @@
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
}
}