On Thu, Nov 12, 2015 at 1:05 AM, Simon Glass sjg@chromium.org wrote:
Add a function which returns a new keyboard LED value when the LEDs need updating.
Signed-off-by: Simon Glass sjg@chromium.org
Changes in v3: None Changes in v2: None
drivers/input/input.c | 9 +++++++++ include/input.h | 14 +++++++++++++- 2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/input/input.c b/drivers/input/input.c index a8a15c9..bf1acdc 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -276,6 +276,7 @@ static struct input_key_xlate *process_modifier(struct input_config *config, if (config->flags & FLAG_SCROLL_LOCK) leds |= INPUT_LED_SCROLL; config->leds = leds;
config->leds_changed = flip; } }@@ -587,6 +588,14 @@ void input_allow_repeats(struct input_config *config, bool allow_repeats) config->allow_repeats = allow_repeats; }
+int input_leds_changed(struct input_config *config) +{
if (config->leds_changed)return config->leds;return -1;+}
int input_add_tables(struct input_config *config, bool german) { struct kbd_entry *entry; diff --git a/include/input.h b/include/input.h index c1af259..ad120e4 100644 --- a/include/input.h +++ b/include/input.h @@ -43,7 +43,8 @@ struct input_config { /* Which modifiers are active (1 bit for each MOD_... value) */ uchar modifiers; uchar flags; /* active state keys (FLAGS_...) */
uchar leds; /* active LEDS (INPUT_LED_...) */
uchar leds; /* active LEDs (INPUT_LED_...) */uchar leds_changed; /* LEDs that just changed */ uchar num_tables; /* number of modifier tables */ int prev_keycodes[INPUT_BUFFER_LEN]; /* keys held last time */ int num_prev_keycodes; /* number of prev keys */@@ -162,6 +163,17 @@ void input_set_delays(struct input_config *config, int repeat_delay_ms, void input_allow_repeats(struct input_config *config, bool allow_repeats);
/**
- Check if keyboard LEDs need to be updated
- This can be called after input_tstc() to see if keyboard LEDs need
- updating.
- @param config Input state
- @return -1 if no LEDs need updating, other value if they do
- */
+int input_leds_changed(struct input_config *config);
+/**
- Set up the key map tables
- This must be called after input_init() or keycode decoding will not work.
--
Reviewed-by: Bin Meng bmeng.cn@gmail.com