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Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Simple driver for Texas Instruments LM3630A LED Flash driver chip
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* Copyright (C) 2012 Texas Instruments
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*/
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#ifndef __LINUX_LM3630A_H
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#define __LINUX_LM3630A_H
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#define LM3630A_NAME "lm3630a_bl"
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enum lm3630a_pwm_ctrl {
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LM3630A_PWM_DISABLE = 0x00,
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LM3630A_PWM_BANK_A,
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LM3630A_PWM_BANK_B,
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LM3630A_PWM_BANK_ALL,
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LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
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LM3630A_PWM_BANK_B_ACT_LOW,
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LM3630A_PWM_BANK_ALL_ACT_LOW,
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};
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enum lm3630a_leda_ctrl {
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LM3630A_LEDA_DISABLE = 0x00,
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LM3630A_LEDA_ENABLE = 0x04,
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LM3630A_LEDA_ENABLE_LINEAR = 0x14,
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};
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enum lm3630a_ledb_ctrl {
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LM3630A_LEDB_DISABLE = 0x00,
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LM3630A_LEDB_ON_A = 0x01,
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LM3630A_LEDB_ENABLE = 0x02,
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LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
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};
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#define LM3630A_MAX_BRIGHTNESS 255
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/*
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*@leda_label : optional led a label.
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*@leda_init_brt : led a init brightness. 4~255
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*@leda_max_brt : led a max brightness. 4~255
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*@leda_ctrl : led a disable, enable linear, enable exponential
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*@ledb_label : optional led b label.
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*@ledb_init_brt : led b init brightness. 4~255
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*@ledb_max_brt : led b max brightness. 4~255
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*@ledb_ctrl : led b disable, enable linear, enable exponential
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*@pwm_period : pwm period
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*@pwm_ctrl : pwm disable, bank a or b, active high or low
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*/
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struct lm3630a_platform_data {
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/* led a config. */
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const char *leda_label;
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int leda_init_brt;
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int leda_max_brt;
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enum lm3630a_leda_ctrl leda_ctrl;
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/* led b config. */
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const char *ledb_label;
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int ledb_init_brt;
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int ledb_max_brt;
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enum lm3630a_ledb_ctrl ledb_ctrl;
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/* pwm config. */
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unsigned int pwm_period;
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enum lm3630a_pwm_ctrl pwm_ctrl;
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};
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#endif /* __LINUX_LM3630A_H */
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