diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/leds.h | 29 | ||||
| -rw-r--r-- | include/linux/platform_data/leds-lm3556.h | 50 |
2 files changed, 77 insertions, 2 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index 39eee41d8c6..3aade1d8f41 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -38,6 +38,9 @@ struct led_classdev { #define LED_SUSPENDED (1 << 0) /* Upper 16 bits reflect control information */ #define LED_CORE_SUSPENDRESUME (1 << 16) +#define LED_BLINK_ONESHOT (1 << 17) +#define LED_BLINK_ONESHOT_STOP (1 << 18) +#define LED_BLINK_INVERT (1 << 19) /* Set LED brightness level */ /* Must not sleep, use a workqueue if needed */ @@ -103,7 +106,25 @@ extern void led_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off); /** - * led_brightness_set - set LED brightness + * led_blink_set_oneshot - do a oneshot software blink + * @led_cdev: the LED to start blinking + * @delay_on: the time it should be on (in ms) + * @delay_off: the time it should ble off (in ms) + * @invert: blink off, then on, leaving the led on + * + * This function makes the LED blink one time for delay_on + + * delay_off time, ignoring the request if another one-shot + * blink is already in progress. + * + * If invert is set, led blinks for delay_off first, then for + * delay_on and leave the led on after the on-off cycle. + */ +extern void led_blink_set_oneshot(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off, + int invert); +/** + * led_set_brightness - set LED brightness * @led_cdev: the LED to set * @brightness: the brightness to set it to * @@ -111,7 +132,7 @@ extern void led_blink_set(struct led_classdev *led_cdev, * software blink timer that implements blinking when the * hardware doesn't. */ -extern void led_brightness_set(struct led_classdev *led_cdev, +extern void led_set_brightness(struct led_classdev *led_cdev, enum led_brightness brightness); /* @@ -150,6 +171,10 @@ extern void led_trigger_event(struct led_trigger *trigger, extern void led_trigger_blink(struct led_trigger *trigger, unsigned long *delay_on, unsigned long *delay_off); +extern void led_trigger_blink_oneshot(struct led_trigger *trigger, + unsigned long *delay_on, + unsigned long *delay_off, + int invert); #else diff --git a/include/linux/platform_data/leds-lm3556.h b/include/linux/platform_data/leds-lm3556.h new file mode 100644 index 00000000000..4b4e7d6b052 --- /dev/null +++ b/include/linux/platform_data/leds-lm3556.h @@ -0,0 +1,50 @@ +/* + * Simple driver for Texas Instruments LM3556 LED Flash driver chip (Rev0x03) + * Copyright (C) 2012 Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __LINUX_LM3556_H +#define __LINUX_LM3556_H + +#define LM3556_NAME "leds-lm3556" + +enum lm3556_pin_polarity { + PIN_LOW_ACTIVE = 0, + PIN_HIGH_ACTIVE, +}; + +enum lm3556_pin_enable { + PIN_DISABLED = 0, + PIN_ENABLED, +}; + +enum lm3556_strobe_usuage { + STROBE_EDGE_DETECT = 0, + STROBE_LEVEL_DETECT, +}; + +enum lm3556_indic_mode { + INDIC_MODE_INTERNAL = 0, + INDIC_MODE_EXTERNAL, +}; + +struct lm3556_platform_data { + enum lm3556_pin_enable torch_pin_en; + enum lm3556_pin_polarity torch_pin_polarity; + + enum lm3556_strobe_usuage strobe_usuage; + enum lm3556_pin_enable strobe_pin_en; + enum lm3556_pin_polarity strobe_pin_polarity; + + enum lm3556_pin_enable tx_pin_en; + enum lm3556_pin_polarity tx_pin_polarity; + + enum lm3556_indic_mode indicator_mode; +}; + +#endif /* __LINUX_LM3556_H */ |