624 lines
17 KiB
C
624 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// TI LP50XX LED chip family driver
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// Copyright (C) 2018-20 Texas Instruments Incorporated - https://www.ti.com/
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#include <linux/gpio/consumer.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/leds.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/slab.h>
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#include <uapi/linux/uleds.h>
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#include <linux/led-class-multicolor.h>
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#include "leds.h"
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#define LP50XX_DEV_CFG0 0x00
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#define LP50XX_DEV_CFG1 0x01
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#define LP50XX_LED_CFG0 0x02
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/* LP5009 and LP5012 registers */
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#define LP5012_BNK_BRT 0x03
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#define LP5012_BNKA_CLR 0x04
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#define LP5012_BNKB_CLR 0x05
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#define LP5012_BNKC_CLR 0x06
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#define LP5012_LED0_BRT 0x07
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#define LP5012_OUT0_CLR 0x0b
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#define LP5012_RESET 0x17
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/* LP5018 and LP5024 registers */
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#define LP5024_BNK_BRT 0x03
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#define LP5024_BNKA_CLR 0x04
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#define LP5024_BNKB_CLR 0x05
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#define LP5024_BNKC_CLR 0x06
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#define LP5024_LED0_BRT 0x07
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#define LP5024_OUT0_CLR 0x0f
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#define LP5024_RESET 0x27
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/* LP5030 and LP5036 registers */
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#define LP5036_LED_CFG1 0x03
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#define LP5036_BNK_BRT 0x04
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#define LP5036_BNKA_CLR 0x05
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#define LP5036_BNKB_CLR 0x06
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#define LP5036_BNKC_CLR 0x07
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#define LP5036_LED0_BRT 0x08
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#define LP5036_OUT0_CLR 0x14
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#define LP5036_RESET 0x38
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#define LP50XX_SW_RESET 0xff
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#define LP50XX_CHIP_EN BIT(6)
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/* There are 3 LED outputs per bank */
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#define LP50XX_LEDS_PER_MODULE 3
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#define LP5009_MAX_LED_MODULES 2
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#define LP5012_MAX_LED_MODULES 4
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#define LP5018_MAX_LED_MODULES 6
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#define LP5024_MAX_LED_MODULES 8
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#define LP5030_MAX_LED_MODULES 10
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#define LP5036_MAX_LED_MODULES 12
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static const struct reg_default lp5012_reg_defs[] = {
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{LP50XX_DEV_CFG0, 0x0},
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{LP50XX_DEV_CFG1, 0x3c},
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{LP50XX_LED_CFG0, 0x0},
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{LP5012_BNK_BRT, 0xff},
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{LP5012_BNKA_CLR, 0x0f},
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{LP5012_BNKB_CLR, 0x0f},
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{LP5012_BNKC_CLR, 0x0f},
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{LP5012_LED0_BRT, 0x0f},
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/* LEDX_BRT registers are all 0xff for defaults */
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{0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff},
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{LP5012_OUT0_CLR, 0x0f},
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/* OUTX_CLR registers are all 0x0 for defaults */
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{0x0c, 0x00}, {0x0d, 0x00}, {0x0e, 0x00}, {0x0f, 0x00}, {0x10, 0x00},
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{0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00}, {0x14, 0x00}, {0x15, 0x00},
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{0x16, 0x00},
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{LP5012_RESET, 0x00}
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};
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static const struct reg_default lp5024_reg_defs[] = {
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{LP50XX_DEV_CFG0, 0x0},
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{LP50XX_DEV_CFG1, 0x3c},
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{LP50XX_LED_CFG0, 0x0},
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{LP5024_BNK_BRT, 0xff},
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{LP5024_BNKA_CLR, 0x0f},
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{LP5024_BNKB_CLR, 0x0f},
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{LP5024_BNKC_CLR, 0x0f},
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{LP5024_LED0_BRT, 0x0f},
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/* LEDX_BRT registers are all 0xff for defaults */
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{0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, {0x0b, 0xff}, {0x0c, 0xff},
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{0x0d, 0xff}, {0x0e, 0xff},
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{LP5024_OUT0_CLR, 0x0f},
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/* OUTX_CLR registers are all 0x0 for defaults */
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{0x10, 0x00}, {0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00}, {0x14, 0x00},
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{0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00}, {0x18, 0x00}, {0x19, 0x00},
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{0x1a, 0x00}, {0x1b, 0x00}, {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00},
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{0x1f, 0x00}, {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00},
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{0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00},
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{LP5024_RESET, 0x00}
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};
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static const struct reg_default lp5036_reg_defs[] = {
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{LP50XX_DEV_CFG0, 0x0},
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{LP50XX_DEV_CFG1, 0x3c},
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{LP50XX_LED_CFG0, 0x0},
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{LP5036_LED_CFG1, 0x0},
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{LP5036_BNK_BRT, 0xff},
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{LP5036_BNKA_CLR, 0x0f},
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{LP5036_BNKB_CLR, 0x0f},
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{LP5036_BNKC_CLR, 0x0f},
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{LP5036_LED0_BRT, 0x0f},
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/* LEDX_BRT registers are all 0xff for defaults */
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{0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, {0x0b, 0xff}, {0x0c, 0xff},
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{0x0d, 0xff}, {0x0e, 0xff}, {0x0f, 0xff}, {0x10, 0xff}, {0x11, 0xff},
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{0x12, 0xff}, {0x13, 0xff},
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{LP5036_OUT0_CLR, 0x0f},
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/* OUTX_CLR registers are all 0x0 for defaults */
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{0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00}, {0x18, 0x00}, {0x19, 0x00},
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{0x1a, 0x00}, {0x1b, 0x00}, {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00},
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{0x1f, 0x00}, {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00},
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{0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00}, {0x28, 0x00},
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{0x29, 0x00}, {0x2a, 0x00}, {0x2b, 0x00}, {0x2c, 0x00}, {0x2d, 0x00},
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{0x2e, 0x00}, {0x2f, 0x00}, {0x30, 0x00}, {0x31, 0x00}, {0x32, 0x00},
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{0x33, 0x00}, {0x34, 0x00}, {0x35, 0x00}, {0x36, 0x00}, {0x37, 0x00},
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{LP5036_RESET, 0x00}
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};
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static const struct regmap_config lp5012_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = LP5012_RESET,
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.reg_defaults = lp5012_reg_defs,
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.num_reg_defaults = ARRAY_SIZE(lp5012_reg_defs),
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.cache_type = REGCACHE_FLAT,
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};
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static const struct regmap_config lp5024_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = LP5024_RESET,
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.reg_defaults = lp5024_reg_defs,
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.num_reg_defaults = ARRAY_SIZE(lp5024_reg_defs),
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.cache_type = REGCACHE_FLAT,
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};
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static const struct regmap_config lp5036_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = LP5036_RESET,
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.reg_defaults = lp5036_reg_defs,
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.num_reg_defaults = ARRAY_SIZE(lp5036_reg_defs),
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.cache_type = REGCACHE_FLAT,
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};
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enum lp50xx_model {
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LP5009,
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LP5012,
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LP5018,
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LP5024,
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LP5030,
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LP5036,
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};
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/**
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* struct lp50xx_chip_info -
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* @lp50xx_regmap_config: regmap register configuration
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* @model_id: LED device model
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* @max_modules: total number of supported LED modules
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* @num_leds: number of LED outputs available on the device
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* @led_brightness0_reg: first brightness register of the device
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* @mix_out0_reg: first color mix register of the device
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* @bank_brt_reg: bank brightness register
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* @bank_mix_reg: color mix register
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* @reset_reg: device reset register
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*/
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struct lp50xx_chip_info {
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const struct regmap_config *lp50xx_regmap_config;
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int model_id;
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u8 max_modules;
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u8 num_leds;
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u8 led_brightness0_reg;
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u8 mix_out0_reg;
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u8 bank_brt_reg;
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u8 bank_mix_reg;
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u8 reset_reg;
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};
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static const struct lp50xx_chip_info lp50xx_chip_info_tbl[] = {
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[LP5009] = {
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.model_id = LP5009,
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.max_modules = LP5009_MAX_LED_MODULES,
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.num_leds = LP5009_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
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.led_brightness0_reg = LP5012_LED0_BRT,
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.mix_out0_reg = LP5012_OUT0_CLR,
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.bank_brt_reg = LP5012_BNK_BRT,
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.bank_mix_reg = LP5012_BNKA_CLR,
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.reset_reg = LP5012_RESET,
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.lp50xx_regmap_config = &lp5012_regmap_config,
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},
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[LP5012] = {
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.model_id = LP5012,
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.max_modules = LP5012_MAX_LED_MODULES,
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.num_leds = LP5012_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
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.led_brightness0_reg = LP5012_LED0_BRT,
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.mix_out0_reg = LP5012_OUT0_CLR,
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.bank_brt_reg = LP5012_BNK_BRT,
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.bank_mix_reg = LP5012_BNKA_CLR,
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.reset_reg = LP5012_RESET,
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.lp50xx_regmap_config = &lp5012_regmap_config,
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},
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[LP5018] = {
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.model_id = LP5018,
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.max_modules = LP5018_MAX_LED_MODULES,
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.num_leds = LP5018_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
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.led_brightness0_reg = LP5024_LED0_BRT,
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.mix_out0_reg = LP5024_OUT0_CLR,
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.bank_brt_reg = LP5024_BNK_BRT,
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.bank_mix_reg = LP5024_BNKA_CLR,
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.reset_reg = LP5024_RESET,
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.lp50xx_regmap_config = &lp5024_regmap_config,
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},
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[LP5024] = {
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.model_id = LP5024,
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.max_modules = LP5024_MAX_LED_MODULES,
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.num_leds = LP5024_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
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.led_brightness0_reg = LP5024_LED0_BRT,
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.mix_out0_reg = LP5024_OUT0_CLR,
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.bank_brt_reg = LP5024_BNK_BRT,
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.bank_mix_reg = LP5024_BNKA_CLR,
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.reset_reg = LP5024_RESET,
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.lp50xx_regmap_config = &lp5024_regmap_config,
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},
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[LP5030] = {
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.model_id = LP5030,
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.max_modules = LP5030_MAX_LED_MODULES,
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.num_leds = LP5030_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
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.led_brightness0_reg = LP5036_LED0_BRT,
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.mix_out0_reg = LP5036_OUT0_CLR,
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.bank_brt_reg = LP5036_BNK_BRT,
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.bank_mix_reg = LP5036_BNKA_CLR,
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.reset_reg = LP5036_RESET,
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.lp50xx_regmap_config = &lp5036_regmap_config,
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},
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[LP5036] = {
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.model_id = LP5036,
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.max_modules = LP5036_MAX_LED_MODULES,
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.num_leds = LP5036_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
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.led_brightness0_reg = LP5036_LED0_BRT,
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.mix_out0_reg = LP5036_OUT0_CLR,
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.bank_brt_reg = LP5036_BNK_BRT,
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.bank_mix_reg = LP5036_BNKA_CLR,
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.reset_reg = LP5036_RESET,
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.lp50xx_regmap_config = &lp5036_regmap_config,
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},
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};
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struct lp50xx_led {
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struct led_classdev_mc mc_cdev;
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struct lp50xx *priv;
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unsigned long bank_modules;
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u8 ctrl_bank_enabled;
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int led_number;
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};
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/**
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* struct lp50xx -
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* @enable_gpio: hardware enable gpio
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* @regulator: LED supply regulator pointer
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* @client: pointer to the I2C client
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* @regmap: device register map
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* @dev: pointer to the devices device struct
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* @lock: lock for reading/writing the device
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* @chip_info: chip specific information (ie num_leds)
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* @num_of_banked_leds: holds the number of banked LEDs
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* @leds: array of LED strings
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*/
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struct lp50xx {
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struct gpio_desc *enable_gpio;
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struct regulator *regulator;
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struct i2c_client *client;
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struct regmap *regmap;
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struct device *dev;
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struct mutex lock;
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const struct lp50xx_chip_info *chip_info;
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int num_of_banked_leds;
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/* This needs to be at the end of the struct */
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struct lp50xx_led leds[];
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};
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static struct lp50xx_led *mcled_cdev_to_led(struct led_classdev_mc *mc_cdev)
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{
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return container_of(mc_cdev, struct lp50xx_led, mc_cdev);
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}
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static int lp50xx_brightness_set(struct led_classdev *cdev,
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enum led_brightness brightness)
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{
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struct led_classdev_mc *mc_dev = lcdev_to_mccdev(cdev);
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struct lp50xx_led *led = mcled_cdev_to_led(mc_dev);
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const struct lp50xx_chip_info *led_chip = led->priv->chip_info;
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u8 led_offset, reg_val;
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int ret = 0;
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int i;
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mutex_lock(&led->priv->lock);
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if (led->ctrl_bank_enabled)
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reg_val = led_chip->bank_brt_reg;
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else
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reg_val = led_chip->led_brightness0_reg +
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led->led_number;
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ret = regmap_write(led->priv->regmap, reg_val, brightness);
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if (ret) {
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dev_err(led->priv->dev,
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"Cannot write brightness value %d\n", ret);
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goto out;
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}
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for (i = 0; i < led->mc_cdev.num_colors; i++) {
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if (led->ctrl_bank_enabled) {
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reg_val = led_chip->bank_mix_reg + i;
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} else {
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led_offset = (led->led_number * 3) + i;
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reg_val = led_chip->mix_out0_reg + led_offset;
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}
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ret = regmap_write(led->priv->regmap, reg_val,
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mc_dev->subled_info[i].intensity);
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if (ret) {
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dev_err(led->priv->dev,
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"Cannot write intensity value %d\n", ret);
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goto out;
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}
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}
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out:
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mutex_unlock(&led->priv->lock);
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return ret;
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}
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static int lp50xx_set_banks(struct lp50xx *priv, u32 led_banks[])
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{
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u8 led_config_lo, led_config_hi;
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u32 bank_enable_mask = 0;
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int ret;
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int i;
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for (i = 0; i < priv->chip_info->max_modules; i++) {
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if (led_banks[i])
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bank_enable_mask |= (1 << led_banks[i]);
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}
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led_config_lo = bank_enable_mask;
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led_config_hi = bank_enable_mask >> 8;
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ret = regmap_write(priv->regmap, LP50XX_LED_CFG0, led_config_lo);
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if (ret)
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return ret;
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if (priv->chip_info->model_id >= LP5030)
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ret = regmap_write(priv->regmap, LP5036_LED_CFG1, led_config_hi);
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return ret;
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}
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static int lp50xx_reset(struct lp50xx *priv)
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{
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return regmap_write(priv->regmap, priv->chip_info->reset_reg, LP50XX_SW_RESET);
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}
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static int lp50xx_enable_disable(struct lp50xx *priv, int enable_disable)
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{
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int ret;
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ret = gpiod_direction_output(priv->enable_gpio, enable_disable);
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if (ret)
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return ret;
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if (enable_disable)
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return regmap_write(priv->regmap, LP50XX_DEV_CFG0, LP50XX_CHIP_EN);
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else
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return regmap_write(priv->regmap, LP50XX_DEV_CFG0, 0);
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}
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static int lp50xx_probe_leds(struct fwnode_handle *child, struct lp50xx *priv,
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struct lp50xx_led *led, int num_leds)
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{
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u32 led_banks[LP5036_MAX_LED_MODULES] = {0};
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int led_number;
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int ret;
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if (num_leds > 1) {
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if (num_leds > priv->chip_info->max_modules) {
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dev_err(priv->dev, "reg property is invalid\n");
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return -EINVAL;
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}
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priv->num_of_banked_leds = num_leds;
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ret = fwnode_property_read_u32_array(child, "reg", led_banks, num_leds);
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if (ret) {
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dev_err(priv->dev, "reg property is missing\n");
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return ret;
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}
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ret = lp50xx_set_banks(priv, led_banks);
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if (ret) {
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dev_err(priv->dev, "Cannot setup banked LEDs\n");
|
|
return ret;
|
|
}
|
|
|
|
led->ctrl_bank_enabled = 1;
|
|
} else {
|
|
ret = fwnode_property_read_u32(child, "reg", &led_number);
|
|
if (ret) {
|
|
dev_err(priv->dev, "led reg property missing\n");
|
|
return ret;
|
|
}
|
|
|
|
if (led_number > priv->chip_info->num_leds) {
|
|
dev_err(priv->dev, "led-sources property is invalid\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
led->led_number = led_number;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lp50xx_probe_dt(struct lp50xx *priv)
|
|
{
|
|
struct fwnode_handle *child = NULL;
|
|
struct fwnode_handle *led_node = NULL;
|
|
struct led_init_data init_data = {};
|
|
struct led_classdev *led_cdev;
|
|
struct mc_subled *mc_led_info;
|
|
struct lp50xx_led *led;
|
|
int ret = -EINVAL;
|
|
int num_colors;
|
|
u32 color_id;
|
|
int i = 0;
|
|
|
|
priv->enable_gpio = devm_gpiod_get_optional(priv->dev, "enable", GPIOD_OUT_LOW);
|
|
if (IS_ERR(priv->enable_gpio))
|
|
return dev_err_probe(priv->dev, PTR_ERR(priv->enable_gpio),
|
|
"Failed to get enable GPIO\n");
|
|
|
|
priv->regulator = devm_regulator_get(priv->dev, "vled");
|
|
if (IS_ERR(priv->regulator))
|
|
priv->regulator = NULL;
|
|
|
|
device_for_each_child_node(priv->dev, child) {
|
|
led = &priv->leds[i];
|
|
ret = fwnode_property_count_u32(child, "reg");
|
|
if (ret < 0) {
|
|
dev_err(priv->dev, "reg property is invalid\n");
|
|
goto child_out;
|
|
}
|
|
|
|
ret = lp50xx_probe_leds(child, priv, led, ret);
|
|
if (ret)
|
|
goto child_out;
|
|
|
|
init_data.fwnode = child;
|
|
num_colors = 0;
|
|
|
|
/*
|
|
* There are only 3 LEDs per module otherwise they should be
|
|
* banked which also is presented as 3 LEDs.
|
|
*/
|
|
mc_led_info = devm_kcalloc(priv->dev, LP50XX_LEDS_PER_MODULE,
|
|
sizeof(*mc_led_info), GFP_KERNEL);
|
|
if (!mc_led_info) {
|
|
ret = -ENOMEM;
|
|
goto child_out;
|
|
}
|
|
|
|
fwnode_for_each_child_node(child, led_node) {
|
|
ret = fwnode_property_read_u32(led_node, "color",
|
|
&color_id);
|
|
if (ret) {
|
|
fwnode_handle_put(led_node);
|
|
dev_err(priv->dev, "Cannot read color\n");
|
|
goto child_out;
|
|
}
|
|
|
|
mc_led_info[num_colors].color_index = color_id;
|
|
num_colors++;
|
|
}
|
|
|
|
led->priv = priv;
|
|
led->mc_cdev.num_colors = num_colors;
|
|
led->mc_cdev.subled_info = mc_led_info;
|
|
led_cdev = &led->mc_cdev.led_cdev;
|
|
led_cdev->brightness_set_blocking = lp50xx_brightness_set;
|
|
|
|
ret = devm_led_classdev_multicolor_register_ext(priv->dev,
|
|
&led->mc_cdev,
|
|
&init_data);
|
|
if (ret) {
|
|
dev_err(priv->dev, "led register err: %d\n", ret);
|
|
goto child_out;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
|
|
child_out:
|
|
fwnode_handle_put(child);
|
|
return ret;
|
|
}
|
|
|
|
static int lp50xx_probe(struct i2c_client *client)
|
|
{
|
|
struct lp50xx *led;
|
|
int count;
|
|
int ret;
|
|
|
|
count = device_get_child_node_count(&client->dev);
|
|
if (!count) {
|
|
dev_err(&client->dev, "LEDs are not defined in device tree!");
|
|
return -ENODEV;
|
|
}
|
|
|
|
led = devm_kzalloc(&client->dev, struct_size(led, leds, count),
|
|
GFP_KERNEL);
|
|
if (!led)
|
|
return -ENOMEM;
|
|
|
|
mutex_init(&led->lock);
|
|
led->client = client;
|
|
led->dev = &client->dev;
|
|
led->chip_info = device_get_match_data(&client->dev);
|
|
i2c_set_clientdata(client, led);
|
|
led->regmap = devm_regmap_init_i2c(client,
|
|
led->chip_info->lp50xx_regmap_config);
|
|
if (IS_ERR(led->regmap)) {
|
|
ret = PTR_ERR(led->regmap);
|
|
dev_err(&client->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = lp50xx_reset(led);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = lp50xx_enable_disable(led, 1);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return lp50xx_probe_dt(led);
|
|
}
|
|
|
|
static int lp50xx_remove(struct i2c_client *client)
|
|
{
|
|
struct lp50xx *led = i2c_get_clientdata(client);
|
|
int ret;
|
|
|
|
ret = lp50xx_enable_disable(led, 0);
|
|
if (ret) {
|
|
dev_err(led->dev, "Failed to disable chip\n");
|
|
return ret;
|
|
}
|
|
|
|
if (led->regulator) {
|
|
ret = regulator_disable(led->regulator);
|
|
if (ret)
|
|
dev_err(led->dev, "Failed to disable regulator\n");
|
|
}
|
|
|
|
mutex_destroy(&led->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id lp50xx_id[] = {
|
|
{ "lp5009", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5009] },
|
|
{ "lp5012", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5012] },
|
|
{ "lp5018", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5018] },
|
|
{ "lp5024", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5024] },
|
|
{ "lp5030", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5030] },
|
|
{ "lp5036", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5036] },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, lp50xx_id);
|
|
|
|
static const struct of_device_id of_lp50xx_leds_match[] = {
|
|
{ .compatible = "ti,lp5009", .data = &lp50xx_chip_info_tbl[LP5009] },
|
|
{ .compatible = "ti,lp5012", .data = &lp50xx_chip_info_tbl[LP5012] },
|
|
{ .compatible = "ti,lp5018", .data = &lp50xx_chip_info_tbl[LP5018] },
|
|
{ .compatible = "ti,lp5024", .data = &lp50xx_chip_info_tbl[LP5024] },
|
|
{ .compatible = "ti,lp5030", .data = &lp50xx_chip_info_tbl[LP5030] },
|
|
{ .compatible = "ti,lp5036", .data = &lp50xx_chip_info_tbl[LP5036] },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, of_lp50xx_leds_match);
|
|
|
|
static struct i2c_driver lp50xx_driver = {
|
|
.driver = {
|
|
.name = "lp50xx",
|
|
.of_match_table = of_lp50xx_leds_match,
|
|
},
|
|
.probe_new = lp50xx_probe,
|
|
.remove = lp50xx_remove,
|
|
.id_table = lp50xx_id,
|
|
};
|
|
module_i2c_driver(lp50xx_driver);
|
|
|
|
MODULE_DESCRIPTION("Texas Instruments LP50XX LED driver");
|
|
MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
|
|
MODULE_LICENSE("GPL v2");
|