Lines Matching refs:led_cdev
47 static int __led_set_brightness(struct led_classdev *led_cdev, unsigned int value) in __led_set_brightness() argument
49 if (!led_cdev->brightness_set) in __led_set_brightness()
52 led_cdev->brightness_set(led_cdev, value); in __led_set_brightness()
57 static int __led_set_brightness_blocking(struct led_classdev *led_cdev, unsigned int value) in __led_set_brightness_blocking() argument
59 if (!led_cdev->brightness_set_blocking) in __led_set_brightness_blocking()
62 return led_cdev->brightness_set_blocking(led_cdev, value); in __led_set_brightness_blocking()
67 struct led_classdev *led_cdev = from_timer(led_cdev, t, blink_timer); in led_timer_function() local
71 if (!led_cdev->blink_delay_on || !led_cdev->blink_delay_off) { in led_timer_function()
72 led_set_brightness_nosleep(led_cdev, LED_OFF); in led_timer_function()
73 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_timer_function()
78 &led_cdev->work_flags)) { in led_timer_function()
79 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_timer_function()
83 brightness = led_get_brightness(led_cdev); in led_timer_function()
87 &led_cdev->work_flags)) in led_timer_function()
88 brightness = led_cdev->new_blink_brightness; in led_timer_function()
90 brightness = led_cdev->blink_brightness; in led_timer_function()
91 delay = led_cdev->blink_delay_on; in led_timer_function()
96 led_cdev->blink_brightness = brightness; in led_timer_function()
98 delay = led_cdev->blink_delay_off; in led_timer_function()
101 led_set_brightness_nosleep(led_cdev, brightness); in led_timer_function()
107 if (test_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags)) { in led_timer_function()
108 if (test_bit(LED_BLINK_INVERT, &led_cdev->work_flags)) { in led_timer_function()
111 &led_cdev->work_flags); in led_timer_function()
115 &led_cdev->work_flags); in led_timer_function()
119 mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay)); in led_timer_function()
122 static void set_brightness_delayed_set_brightness(struct led_classdev *led_cdev, in set_brightness_delayed_set_brightness() argument
127 ret = __led_set_brightness(led_cdev, value); in set_brightness_delayed_set_brightness()
129 ret = __led_set_brightness_blocking(led_cdev, value); in set_brightness_delayed_set_brightness()
136 if (ret == -ENODEV && led_cdev->flags & LED_UNREGISTERING && in set_brightness_delayed_set_brightness()
137 led_cdev->flags & LED_HW_PLUGGABLE) in set_brightness_delayed_set_brightness()
141 dev_err(led_cdev->dev, in set_brightness_delayed_set_brightness()
147 struct led_classdev *led_cdev = in set_brightness_delayed() local
150 if (test_and_clear_bit(LED_BLINK_DISABLE, &led_cdev->work_flags)) { in set_brightness_delayed()
151 led_stop_software_blink(led_cdev); in set_brightness_delayed()
152 set_bit(LED_SET_BRIGHTNESS_OFF, &led_cdev->work_flags); in set_brightness_delayed()
162 if (test_and_clear_bit(LED_SET_BRIGHTNESS_OFF, &led_cdev->work_flags)) in set_brightness_delayed()
163 set_brightness_delayed_set_brightness(led_cdev, LED_OFF); in set_brightness_delayed()
165 if (test_and_clear_bit(LED_SET_BRIGHTNESS, &led_cdev->work_flags)) in set_brightness_delayed()
166 set_brightness_delayed_set_brightness(led_cdev, led_cdev->delayed_set_value); in set_brightness_delayed()
168 if (test_and_clear_bit(LED_SET_BLINK, &led_cdev->work_flags)) { in set_brightness_delayed()
169 unsigned long delay_on = led_cdev->delayed_delay_on; in set_brightness_delayed()
170 unsigned long delay_off = led_cdev->delayed_delay_off; in set_brightness_delayed()
172 led_blink_set(led_cdev, &delay_on, &delay_off); in set_brightness_delayed()
176 static void led_set_software_blink(struct led_classdev *led_cdev, in led_set_software_blink() argument
182 current_brightness = led_get_brightness(led_cdev); in led_set_software_blink()
184 led_cdev->blink_brightness = current_brightness; in led_set_software_blink()
185 if (!led_cdev->blink_brightness) in led_set_software_blink()
186 led_cdev->blink_brightness = led_cdev->max_brightness; in led_set_software_blink()
188 led_cdev->blink_delay_on = delay_on; in led_set_software_blink()
189 led_cdev->blink_delay_off = delay_off; in led_set_software_blink()
193 led_set_brightness_nosleep(led_cdev, LED_OFF); in led_set_software_blink()
199 led_set_brightness_nosleep(led_cdev, in led_set_software_blink()
200 led_cdev->blink_brightness); in led_set_software_blink()
204 set_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_set_software_blink()
205 mod_timer(&led_cdev->blink_timer, jiffies + 1); in led_set_software_blink()
209 static void led_blink_setup(struct led_classdev *led_cdev, in led_blink_setup() argument
213 if (!test_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags) && in led_blink_setup()
214 led_cdev->blink_set && in led_blink_setup()
215 !led_cdev->blink_set(led_cdev, delay_on, delay_off)) in led_blink_setup()
222 led_set_software_blink(led_cdev, *delay_on, *delay_off); in led_blink_setup()
225 void led_init_core(struct led_classdev *led_cdev) in led_init_core() argument
227 INIT_WORK(&led_cdev->set_brightness_work, set_brightness_delayed); in led_init_core()
229 timer_setup(&led_cdev->blink_timer, led_timer_function, 0); in led_init_core()
233 void led_blink_set(struct led_classdev *led_cdev, in led_blink_set() argument
237 del_timer_sync(&led_cdev->blink_timer); in led_blink_set()
239 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_blink_set()
240 clear_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags); in led_blink_set()
241 clear_bit(LED_BLINK_ONESHOT_STOP, &led_cdev->work_flags); in led_blink_set()
243 led_blink_setup(led_cdev, delay_on, delay_off); in led_blink_set()
247 void led_blink_set_oneshot(struct led_classdev *led_cdev, in led_blink_set_oneshot() argument
252 if (test_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags) && in led_blink_set_oneshot()
253 timer_pending(&led_cdev->blink_timer)) in led_blink_set_oneshot()
256 set_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags); in led_blink_set_oneshot()
257 clear_bit(LED_BLINK_ONESHOT_STOP, &led_cdev->work_flags); in led_blink_set_oneshot()
260 set_bit(LED_BLINK_INVERT, &led_cdev->work_flags); in led_blink_set_oneshot()
262 clear_bit(LED_BLINK_INVERT, &led_cdev->work_flags); in led_blink_set_oneshot()
264 led_blink_setup(led_cdev, delay_on, delay_off); in led_blink_set_oneshot()
268 void led_blink_set_nosleep(struct led_classdev *led_cdev, unsigned long delay_on, in led_blink_set_nosleep() argument
272 if (led_cdev->blink_set && led_cdev->brightness_set_blocking) { in led_blink_set_nosleep()
273 led_cdev->delayed_delay_on = delay_on; in led_blink_set_nosleep()
274 led_cdev->delayed_delay_off = delay_off; in led_blink_set_nosleep()
275 set_bit(LED_SET_BLINK, &led_cdev->work_flags); in led_blink_set_nosleep()
276 schedule_work(&led_cdev->set_brightness_work); in led_blink_set_nosleep()
280 led_blink_set(led_cdev, &delay_on, &delay_off); in led_blink_set_nosleep()
284 void led_stop_software_blink(struct led_classdev *led_cdev) in led_stop_software_blink() argument
286 del_timer_sync(&led_cdev->blink_timer); in led_stop_software_blink()
287 led_cdev->blink_delay_on = 0; in led_stop_software_blink()
288 led_cdev->blink_delay_off = 0; in led_stop_software_blink()
289 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_stop_software_blink()
293 void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness) in led_set_brightness() argument
299 if (test_bit(LED_BLINK_SW, &led_cdev->work_flags)) { in led_set_brightness()
306 set_bit(LED_BLINK_DISABLE, &led_cdev->work_flags); in led_set_brightness()
307 schedule_work(&led_cdev->set_brightness_work); in led_set_brightness()
310 &led_cdev->work_flags); in led_set_brightness()
311 led_cdev->new_blink_brightness = brightness; in led_set_brightness()
316 led_set_brightness_nosleep(led_cdev, brightness); in led_set_brightness()
320 void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value) in led_set_brightness_nopm() argument
323 if (!__led_set_brightness(led_cdev, value)) in led_set_brightness_nopm()
335 led_cdev->delayed_set_value = value; in led_set_brightness_nopm()
336 set_bit(LED_SET_BRIGHTNESS, &led_cdev->work_flags); in led_set_brightness_nopm()
338 clear_bit(LED_SET_BRIGHTNESS, &led_cdev->work_flags); in led_set_brightness_nopm()
339 clear_bit(LED_SET_BLINK, &led_cdev->work_flags); in led_set_brightness_nopm()
340 set_bit(LED_SET_BRIGHTNESS_OFF, &led_cdev->work_flags); in led_set_brightness_nopm()
343 schedule_work(&led_cdev->set_brightness_work); in led_set_brightness_nopm()
347 void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value) in led_set_brightness_nosleep() argument
349 led_cdev->brightness = min(value, led_cdev->max_brightness); in led_set_brightness_nosleep()
351 if (led_cdev->flags & LED_SUSPENDED) in led_set_brightness_nosleep()
354 led_set_brightness_nopm(led_cdev, led_cdev->brightness); in led_set_brightness_nosleep()
358 int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value) in led_set_brightness_sync() argument
360 if (led_cdev->blink_delay_on || led_cdev->blink_delay_off) in led_set_brightness_sync()
363 led_cdev->brightness = min(value, led_cdev->max_brightness); in led_set_brightness_sync()
365 if (led_cdev->flags & LED_SUSPENDED) in led_set_brightness_sync()
368 return __led_set_brightness_blocking(led_cdev, led_cdev->brightness); in led_set_brightness_sync()
376 void led_mc_set_brightness(struct led_classdev *led_cdev, in led_mc_set_brightness() argument
383 if (!(led_cdev->flags & LED_MULTI_COLOR)) { in led_mc_set_brightness()
384 dev_err_once(led_cdev->dev, "error not a multi-color LED\n"); in led_mc_set_brightness()
388 mcled_cdev = lcdev_to_mccdev(led_cdev); in led_mc_set_brightness()
390 dev_err_once(led_cdev->dev, "error num_colors mismatch %u != %u\n", in led_mc_set_brightness()
398 led_set_brightness(led_cdev, brightness); in led_mc_set_brightness()
402 int led_update_brightness(struct led_classdev *led_cdev) in led_update_brightness() argument
406 if (led_cdev->brightness_get) { in led_update_brightness()
407 ret = led_cdev->brightness_get(led_cdev); in led_update_brightness()
411 led_cdev->brightness = ret; in led_update_brightness()
418 u32 *led_get_default_pattern(struct led_classdev *led_cdev, unsigned int *size) in led_get_default_pattern() argument
420 struct fwnode_handle *fwnode = led_cdev->dev->fwnode; in led_get_default_pattern()
444 void led_sysfs_disable(struct led_classdev *led_cdev) in led_sysfs_disable() argument
446 lockdep_assert_held(&led_cdev->led_access); in led_sysfs_disable()
448 led_cdev->flags |= LED_SYSFS_DISABLE; in led_sysfs_disable()
453 void led_sysfs_enable(struct led_classdev *led_cdev) in led_sysfs_enable() argument
455 lockdep_assert_held(&led_cdev->led_access); in led_sysfs_enable()
457 led_cdev->flags &= ~LED_SYSFS_DISABLE; in led_sysfs_enable()