Lines Matching refs:led_cdev
42 static int __led_set_brightness(struct led_classdev *led_cdev, unsigned int value) in __led_set_brightness() argument
44 if (!led_cdev->brightness_set) in __led_set_brightness()
47 led_cdev->brightness_set(led_cdev, value); in __led_set_brightness()
52 static int __led_set_brightness_blocking(struct led_classdev *led_cdev, unsigned int value) in __led_set_brightness_blocking() argument
54 if (!led_cdev->brightness_set_blocking) in __led_set_brightness_blocking()
57 return led_cdev->brightness_set_blocking(led_cdev, value); in __led_set_brightness_blocking()
62 struct led_classdev *led_cdev = from_timer(led_cdev, t, blink_timer); in led_timer_function() local
66 if (!led_cdev->blink_delay_on || !led_cdev->blink_delay_off) { in led_timer_function()
67 led_set_brightness_nosleep(led_cdev, LED_OFF); in led_timer_function()
68 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_timer_function()
73 &led_cdev->work_flags)) { in led_timer_function()
74 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_timer_function()
78 brightness = led_get_brightness(led_cdev); in led_timer_function()
82 &led_cdev->work_flags)) in led_timer_function()
83 brightness = led_cdev->new_blink_brightness; in led_timer_function()
85 brightness = led_cdev->blink_brightness; in led_timer_function()
86 delay = led_cdev->blink_delay_on; in led_timer_function()
91 led_cdev->blink_brightness = brightness; in led_timer_function()
93 delay = led_cdev->blink_delay_off; in led_timer_function()
96 led_set_brightness_nosleep(led_cdev, brightness); in led_timer_function()
102 if (test_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags)) { in led_timer_function()
103 if (test_bit(LED_BLINK_INVERT, &led_cdev->work_flags)) { in led_timer_function()
106 &led_cdev->work_flags); in led_timer_function()
110 &led_cdev->work_flags); in led_timer_function()
114 mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay)); in led_timer_function()
119 struct led_classdev *led_cdev = in set_brightness_delayed() local
123 if (test_and_clear_bit(LED_BLINK_DISABLE, &led_cdev->work_flags)) { in set_brightness_delayed()
124 led_cdev->delayed_set_value = LED_OFF; in set_brightness_delayed()
125 led_stop_software_blink(led_cdev); in set_brightness_delayed()
128 ret = __led_set_brightness(led_cdev, led_cdev->delayed_set_value); in set_brightness_delayed()
130 ret = __led_set_brightness_blocking(led_cdev, in set_brightness_delayed()
131 led_cdev->delayed_set_value); in set_brightness_delayed()
134 !(ret == -ENODEV && (led_cdev->flags & LED_UNREGISTERING) && in set_brightness_delayed()
135 (led_cdev->flags & LED_HW_PLUGGABLE))) in set_brightness_delayed()
136 dev_err(led_cdev->dev, in set_brightness_delayed()
140 static void led_set_software_blink(struct led_classdev *led_cdev, in led_set_software_blink() argument
146 current_brightness = led_get_brightness(led_cdev); in led_set_software_blink()
148 led_cdev->blink_brightness = current_brightness; in led_set_software_blink()
149 if (!led_cdev->blink_brightness) in led_set_software_blink()
150 led_cdev->blink_brightness = led_cdev->max_brightness; in led_set_software_blink()
152 led_cdev->blink_delay_on = delay_on; in led_set_software_blink()
153 led_cdev->blink_delay_off = delay_off; in led_set_software_blink()
157 led_set_brightness_nosleep(led_cdev, LED_OFF); in led_set_software_blink()
163 led_set_brightness_nosleep(led_cdev, in led_set_software_blink()
164 led_cdev->blink_brightness); in led_set_software_blink()
168 set_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_set_software_blink()
169 mod_timer(&led_cdev->blink_timer, jiffies + 1); in led_set_software_blink()
173 static void led_blink_setup(struct led_classdev *led_cdev, in led_blink_setup() argument
177 if (!test_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags) && in led_blink_setup()
178 led_cdev->blink_set && in led_blink_setup()
179 !led_cdev->blink_set(led_cdev, delay_on, delay_off)) in led_blink_setup()
186 led_set_software_blink(led_cdev, *delay_on, *delay_off); in led_blink_setup()
189 void led_init_core(struct led_classdev *led_cdev) in led_init_core() argument
191 INIT_WORK(&led_cdev->set_brightness_work, set_brightness_delayed); in led_init_core()
193 timer_setup(&led_cdev->blink_timer, led_timer_function, 0); in led_init_core()
197 void led_blink_set(struct led_classdev *led_cdev, in led_blink_set() argument
201 del_timer_sync(&led_cdev->blink_timer); in led_blink_set()
203 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_blink_set()
204 clear_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags); in led_blink_set()
205 clear_bit(LED_BLINK_ONESHOT_STOP, &led_cdev->work_flags); in led_blink_set()
207 led_blink_setup(led_cdev, delay_on, delay_off); in led_blink_set()
211 void led_blink_set_oneshot(struct led_classdev *led_cdev, in led_blink_set_oneshot() argument
216 if (test_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags) && in led_blink_set_oneshot()
217 timer_pending(&led_cdev->blink_timer)) in led_blink_set_oneshot()
220 set_bit(LED_BLINK_ONESHOT, &led_cdev->work_flags); in led_blink_set_oneshot()
221 clear_bit(LED_BLINK_ONESHOT_STOP, &led_cdev->work_flags); in led_blink_set_oneshot()
224 set_bit(LED_BLINK_INVERT, &led_cdev->work_flags); in led_blink_set_oneshot()
226 clear_bit(LED_BLINK_INVERT, &led_cdev->work_flags); in led_blink_set_oneshot()
228 led_blink_setup(led_cdev, delay_on, delay_off); in led_blink_set_oneshot()
232 void led_stop_software_blink(struct led_classdev *led_cdev) in led_stop_software_blink() argument
234 del_timer_sync(&led_cdev->blink_timer); in led_stop_software_blink()
235 led_cdev->blink_delay_on = 0; in led_stop_software_blink()
236 led_cdev->blink_delay_off = 0; in led_stop_software_blink()
237 clear_bit(LED_BLINK_SW, &led_cdev->work_flags); in led_stop_software_blink()
241 void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness) in led_set_brightness() argument
247 if (test_bit(LED_BLINK_SW, &led_cdev->work_flags)) { in led_set_brightness()
254 set_bit(LED_BLINK_DISABLE, &led_cdev->work_flags); in led_set_brightness()
255 schedule_work(&led_cdev->set_brightness_work); in led_set_brightness()
258 &led_cdev->work_flags); in led_set_brightness()
259 led_cdev->new_blink_brightness = brightness; in led_set_brightness()
264 led_set_brightness_nosleep(led_cdev, brightness); in led_set_brightness()
268 void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value) in led_set_brightness_nopm() argument
271 if (!__led_set_brightness(led_cdev, value)) in led_set_brightness_nopm()
275 led_cdev->delayed_set_value = value; in led_set_brightness_nopm()
276 schedule_work(&led_cdev->set_brightness_work); in led_set_brightness_nopm()
280 void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value) in led_set_brightness_nosleep() argument
282 led_cdev->brightness = min(value, led_cdev->max_brightness); in led_set_brightness_nosleep()
284 if (led_cdev->flags & LED_SUSPENDED) in led_set_brightness_nosleep()
287 led_set_brightness_nopm(led_cdev, led_cdev->brightness); in led_set_brightness_nosleep()
291 int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value) in led_set_brightness_sync() argument
293 if (led_cdev->blink_delay_on || led_cdev->blink_delay_off) in led_set_brightness_sync()
296 led_cdev->brightness = min(value, led_cdev->max_brightness); in led_set_brightness_sync()
298 if (led_cdev->flags & LED_SUSPENDED) in led_set_brightness_sync()
301 return __led_set_brightness_blocking(led_cdev, led_cdev->brightness); in led_set_brightness_sync()
305 int led_update_brightness(struct led_classdev *led_cdev) in led_update_brightness() argument
309 if (led_cdev->brightness_get) { in led_update_brightness()
310 ret = led_cdev->brightness_get(led_cdev); in led_update_brightness()
312 led_cdev->brightness = ret; in led_update_brightness()
321 u32 *led_get_default_pattern(struct led_classdev *led_cdev, unsigned int *size) in led_get_default_pattern() argument
323 struct fwnode_handle *fwnode = led_cdev->dev->fwnode; in led_get_default_pattern()
347 void led_sysfs_disable(struct led_classdev *led_cdev) in led_sysfs_disable() argument
349 lockdep_assert_held(&led_cdev->led_access); in led_sysfs_disable()
351 led_cdev->flags |= LED_SYSFS_DISABLE; in led_sysfs_disable()
356 void led_sysfs_enable(struct led_classdev *led_cdev) in led_sysfs_enable() argument
358 lockdep_assert_held(&led_cdev->led_access); in led_sysfs_enable()
360 led_cdev->flags &= ~LED_SYSFS_DISABLE; in led_sysfs_enable()