| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kim Kyuwon (김규원) | 3140 | 93.01% | 4 | 25.00% |
| Mark Brown | 159 | 4.71% | 1 | 6.25% |
| Axel Lin | 44 | 1.30% | 3 | 18.75% |
| Jingoo Han | 11 | 0.33% | 3 | 18.75% |
| Bryan Wu | 9 | 0.27% | 1 | 6.25% |
| Andrew Lunn | 7 | 0.21% | 1 | 6.25% |
| Tejun Heo | 3 | 0.09% | 1 | 6.25% |
| Thomas Gleixner | 2 | 0.06% | 1 | 6.25% |
| Guenter Roeck | 1 | 0.03% | 1 | 6.25% |
| Total | 3376 | 16 |
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// SPDX-License-Identifier: GPL-2.0-only /* * leds-bd2802.c - RGB LED Driver * * Copyright (C) 2009 Samsung Electronics * Kim Kyuwon <q1.kim@samsung.com> * * Datasheet: http://www.rohm.com/products/databook/driver/pdf/bd2802gu-e.pdf */ #include <linux/module.h> #include <linux/i2c.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/leds.h> #include <linux/leds-bd2802.h> #include <linux/slab.h> #include <linux/pm.h> #define LED_CTL(rgb2en, rgb1en) ((rgb2en) << 4 | ((rgb1en) << 0)) #define BD2802_LED_OFFSET 0xa #define BD2802_COLOR_OFFSET 0x3 #define BD2802_REG_CLKSETUP 0x00 #define BD2802_REG_CONTROL 0x01 #define BD2802_REG_HOURSETUP 0x02 #define BD2802_REG_CURRENT1SETUP 0x03 #define BD2802_REG_CURRENT2SETUP 0x04 #define BD2802_REG_WAVEPATTERN 0x05 #define BD2802_CURRENT_032 0x10 /* 3.2mA */ #define BD2802_CURRENT_000 0x00 /* 0.0mA */ #define BD2802_PATTERN_FULL 0x07 #define BD2802_PATTERN_HALF 0x03 enum led_ids { LED1, LED2, LED_NUM, }; enum led_colors { RED, GREEN, BLUE, }; enum led_bits { BD2802_OFF, BD2802_BLINK, BD2802_ON, }; /* * State '0' : 'off' * State '1' : 'blink' * State '2' : 'on'. */ struct led_state { unsigned r:2; unsigned g:2; unsigned b:2; }; struct bd2802_led { struct bd2802_led_platform_data *pdata; struct i2c_client *client; struct rw_semaphore rwsem; struct led_state led[2]; /* * Making led_classdev as array is not recommended, because array * members prevent using 'container_of' macro. So repetitive works * are needed. */ struct led_classdev cdev_led1r; struct led_classdev cdev_led1g; struct led_classdev cdev_led1b; struct led_classdev cdev_led2r; struct led_classdev cdev_led2g; struct led_classdev cdev_led2b; /* * Advanced Configuration Function(ADF) mode: * In ADF mode, user can set registers of BD2802GU directly, * therefore BD2802GU doesn't enter reset state. */ int adf_on; enum led_ids led_id; enum led_colors color; enum led_bits state; /* General attributes of RGB LEDs */ int wave_pattern; int rgb_current; }; /*--------------------------------------------------------------*/ /* BD2802GU helper functions */ /*--------------------------------------------------------------*/ static inline int bd2802_is_rgb_off(struct bd2802_led *led, enum led_ids id, enum led_colors color) { switch (color) { case RED: return !led->led[id].r; case GREEN: return !led->led[id].g; case BLUE: return !led->led[id].b; default: dev_err(&led->client->dev, "%s: Invalid color\n", __func__); return -EINVAL; } } static inline int bd2802_is_led_off(struct bd2802_led *led, enum led_ids id) { if (led->led[id].r || led->led[id].g || led->led[id].b) return 0; return 1; } static inline int bd2802_is_all_off(struct bd2802_led *led) { int i; for (i = 0; i < LED_NUM; i++) if (!bd2802_is_led_off(led, i)) return 0; return 1; } static inline u8 bd2802_get_base_offset(enum led_ids id, enum led_colors color) { return id * BD2802_LED_OFFSET + color * BD2802_COLOR_OFFSET; } static inline u8 bd2802_get_reg_addr(enum led_ids id, enum led_colors color, u8 reg_offset) { return reg_offset + bd2802_get_base_offset(id, color); } /*--------------------------------------------------------------*/ /* BD2802GU core functions */ /*--------------------------------------------------------------*/ static int bd2802_write_byte(struct i2c_client *client, u8 reg, u8 val) { int ret = i2c_smbus_write_byte_data(client, reg, val); if (ret >= 0) return 0; dev_err(&client->dev, "%s: reg 0x%x, val 0x%x, err %d\n", __func__, reg, val, ret); return ret; } static void bd2802_update_state(struct bd2802_led *led, enum led_ids id, enum led_colors color, enum led_bits led_bit) { int i; u8 value; for (i = 0; i < LED_NUM; i++) { if (i == id) { switch (color) { case RED: led->led[i].r = led_bit; break; case GREEN: led->led[i].g = led_bit; break; case BLUE: led->led[i].b = led_bit; break; default: dev_err(&led->client->dev, "%s: Invalid color\n", __func__); return; } } } if (led_bit == BD2802_BLINK || led_bit == BD2802_ON) return; if (!bd2802_is_led_off(led, id)) return; if (bd2802_is_all_off(led) && !led->adf_on) { gpio_set_value(led->pdata->reset_gpio, 0); return; } /* * In this case, other led is turned on, and current led is turned * off. So set RGB LED Control register to stop the current RGB LED */ value = (id == LED1) ? LED_CTL(1, 0) : LED_CTL(0, 1); bd2802_write_byte(led->client, BD2802_REG_CONTROL, value); } static void bd2802_configure(struct bd2802_led *led) { struct bd2802_led_platform_data *pdata = led->pdata; u8 reg; reg = bd2802_get_reg_addr(LED1, RED, BD2802_REG_HOURSETUP); bd2802_write_byte(led->client, reg, pdata->rgb_time); reg = bd2802_get_reg_addr(LED2, RED, BD2802_REG_HOURSETUP); bd2802_write_byte(led->client, reg, pdata->rgb_time); } static void bd2802_reset_cancel(struct bd2802_led *led) { gpio_set_value(led->pdata->reset_gpio, 1); udelay(100); bd2802_configure(led); } static void bd2802_enable(struct bd2802_led *led, enum led_ids id) { enum led_ids other_led = (id == LED1) ? LED2 : LED1; u8 value, other_led_on; other_led_on = !bd2802_is_led_off(led, other_led); if (id == LED1) value = LED_CTL(other_led_on, 1); else value = LED_CTL(1 , other_led_on); bd2802_write_byte(led->client, BD2802_REG_CONTROL, value); } static void bd2802_set_on(struct bd2802_led *led, enum led_ids id, enum led_colors color) { u8 reg; if (bd2802_is_all_off(led) && !led->adf_on) bd2802_reset_cancel(led); reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT1SETUP); bd2802_write_byte(led->client, reg, led->rgb_current); reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT2SETUP); bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); reg = bd2802_get_reg_addr(id, color, BD2802_REG_WAVEPATTERN); bd2802_write_byte(led->client, reg, BD2802_PATTERN_FULL); bd2802_enable(led, id); bd2802_update_state(led, id, color, BD2802_ON); } static void bd2802_set_blink(struct bd2802_led *led, enum led_ids id, enum led_colors color) { u8 reg; if (bd2802_is_all_off(led) && !led->adf_on) bd2802_reset_cancel(led); reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT1SETUP); bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT2SETUP); bd2802_write_byte(led->client, reg, led->rgb_current); reg = bd2802_get_reg_addr(id, color, BD2802_REG_WAVEPATTERN); bd2802_write_byte(led->client, reg, led->wave_pattern); bd2802_enable(led, id); bd2802_update_state(led, id, color, BD2802_BLINK); } static void bd2802_turn_on(struct bd2802_led *led, enum led_ids id, enum led_colors color, enum led_bits led_bit) { if (led_bit == BD2802_OFF) { dev_err(&led->client->dev, "Only 'blink' and 'on' are allowed\n"); return; } if (led_bit == BD2802_BLINK) bd2802_set_blink(led, id, color); else bd2802_set_on(led, id, color); } static void bd2802_turn_off(struct bd2802_led *led, enum led_ids id, enum led_colors color) { u8 reg; if (bd2802_is_rgb_off(led, id, color)) return; reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT1SETUP); bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT2SETUP); bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); bd2802_update_state(led, id, color, BD2802_OFF); } #define BD2802_SET_REGISTER(reg_addr, reg_name) \ static ssize_t bd2802_store_reg##reg_addr(struct device *dev, \ struct device_attribute *attr, const char *buf, size_t count) \ { \ struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev));\ unsigned long val; \ int ret; \ if (!count) \ return -EINVAL; \ ret = kstrtoul(buf, 16, &val); \ if (ret) \ return ret; \ down_write(&led->rwsem); \ bd2802_write_byte(led->client, reg_addr, (u8) val); \ up_write(&led->rwsem); \ return count; \ } \ static struct device_attribute bd2802_reg##reg_addr##_attr = { \ .attr = {.name = reg_name, .mode = 0644}, \ .store = bd2802_store_reg##reg_addr, \ }; BD2802_SET_REGISTER(0x00, "0x00"); BD2802_SET_REGISTER(0x01, "0x01"); BD2802_SET_REGISTER(0x02, "0x02"); BD2802_SET_REGISTER(0x03, "0x03"); BD2802_SET_REGISTER(0x04, "0x04"); BD2802_SET_REGISTER(0x05, "0x05"); BD2802_SET_REGISTER(0x06, "0x06"); BD2802_SET_REGISTER(0x07, "0x07"); BD2802_SET_REGISTER(0x08, "0x08"); BD2802_SET_REGISTER(0x09, "0x09"); BD2802_SET_REGISTER(0x0a, "0x0a"); BD2802_SET_REGISTER(0x0b, "0x0b"); BD2802_SET_REGISTER(0x0c, "0x0c"); BD2802_SET_REGISTER(0x0d, "0x0d"); BD2802_SET_REGISTER(0x0e, "0x0e"); BD2802_SET_REGISTER(0x0f, "0x0f"); BD2802_SET_REGISTER(0x10, "0x10"); BD2802_SET_REGISTER(0x11, "0x11"); BD2802_SET_REGISTER(0x12, "0x12"); BD2802_SET_REGISTER(0x13, "0x13"); BD2802_SET_REGISTER(0x14, "0x14"); BD2802_SET_REGISTER(0x15, "0x15"); static struct device_attribute *bd2802_addr_attributes[] = { &bd2802_reg0x00_attr, &bd2802_reg0x01_attr, &bd2802_reg0x02_attr, &bd2802_reg0x03_attr, &bd2802_reg0x04_attr, &bd2802_reg0x05_attr, &bd2802_reg0x06_attr, &bd2802_reg0x07_attr, &bd2802_reg0x08_attr, &bd2802_reg0x09_attr, &bd2802_reg0x0a_attr, &bd2802_reg0x0b_attr, &bd2802_reg0x0c_attr, &bd2802_reg0x0d_attr, &bd2802_reg0x0e_attr, &bd2802_reg0x0f_attr, &bd2802_reg0x10_attr, &bd2802_reg0x11_attr, &bd2802_reg0x12_attr, &bd2802_reg0x13_attr, &bd2802_reg0x14_attr, &bd2802_reg0x15_attr, }; static void bd2802_enable_adv_conf(struct bd2802_led *led) { int i, ret; for (i = 0; i < ARRAY_SIZE(bd2802_addr_attributes); i++) { ret = device_create_file(&led->client->dev, bd2802_addr_attributes[i]); if (ret) { dev_err(&led->client->dev, "failed: sysfs file %s\n", bd2802_addr_attributes[i]->attr.name); goto failed_remove_files; } } if (bd2802_is_all_off(led)) bd2802_reset_cancel(led); led->adf_on = 1; return; failed_remove_files: for (i--; i >= 0; i--) device_remove_file(&led->client->dev, bd2802_addr_attributes[i]); } static void bd2802_disable_adv_conf(struct bd2802_led *led) { int i; for (i = 0; i < ARRAY_SIZE(bd2802_addr_attributes); i++) device_remove_file(&led->client->dev, bd2802_addr_attributes[i]); if (bd2802_is_all_off(led)) gpio_set_value(led->pdata->reset_gpio, 0); led->adf_on = 0; } static ssize_t bd2802_show_adv_conf(struct device *dev, struct device_attribute *attr, char *buf) { struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev)); ssize_t ret; down_read(&led->rwsem); if (led->adf_on) ret = sprintf(buf, "on\n"); else ret = sprintf(buf, "off\n"); up_read(&led->rwsem); return ret; } static ssize_t bd2802_store_adv_conf(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev)); if (!count) return -EINVAL; down_write(&led->rwsem); if (!led->adf_on && !strncmp(buf, "on", 2)) bd2802_enable_adv_conf(led); else if (led->adf_on && !strncmp(buf, "off", 3)) bd2802_disable_adv_conf(led); up_write(&led->rwsem); return count; } static struct device_attribute bd2802_adv_conf_attr = { .attr = { .name = "advanced_configuration", .mode = 0644, }, .show = bd2802_show_adv_conf, .store = bd2802_store_adv_conf, }; #define BD2802_CONTROL_ATTR(attr_name, name_str) \ static ssize_t bd2802_show_##attr_name(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev));\ ssize_t ret; \ down_read(&led->rwsem); \ ret = sprintf(buf, "0x%02x\n", led->attr_name); \ up_read(&led->rwsem); \ return ret; \ } \ static ssize_t bd2802_store_##attr_name(struct device *dev, \ struct device_attribute *attr, const char *buf, size_t count) \ { \ struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev));\ unsigned long val; \ int ret; \ if (!count) \ return -EINVAL; \ ret = kstrtoul(buf, 16, &val); \ if (ret) \ return ret; \ down_write(&led->rwsem); \ led->attr_name = val; \ up_write(&led->rwsem); \ return count; \ } \ static struct device_attribute bd2802_##attr_name##_attr = { \ .attr = { \ .name = name_str, \ .mode = 0644, \ }, \ .show = bd2802_show_##attr_name, \ .store = bd2802_store_##attr_name, \ }; BD2802_CONTROL_ATTR(wave_pattern, "wave_pattern"); BD2802_CONTROL_ATTR(rgb_current, "rgb_current"); static struct device_attribute *bd2802_attributes[] = { &bd2802_adv_conf_attr, &bd2802_wave_pattern_attr, &bd2802_rgb_current_attr, }; #define BD2802_CONTROL_RGBS(name, id, clr) \ static int bd2802_set_##name##_brightness(struct led_classdev *led_cdev,\ enum led_brightness value) \ { \ struct bd2802_led *led = \ container_of(led_cdev, struct bd2802_led, cdev_##name); \ led->led_id = id; \ led->color = clr; \ if (value == LED_OFF) { \ led->state = BD2802_OFF; \ bd2802_turn_off(led, led->led_id, led->color); \ } else { \ led->state = BD2802_ON; \ bd2802_turn_on(led, led->led_id, led->color, BD2802_ON);\ } \ return 0; \ } \ static int bd2802_set_##name##_blink(struct led_classdev *led_cdev, \ unsigned long *delay_on, unsigned long *delay_off) \ { \ struct bd2802_led *led = \ container_of(led_cdev, struct bd2802_led, cdev_##name); \ if (*delay_on == 0 || *delay_off == 0) \ return -EINVAL; \ led->led_id = id; \ led->color = clr; \ led->state = BD2802_BLINK; \ bd2802_turn_on(led, led->led_id, led->color, BD2802_BLINK); \ return 0; \ } BD2802_CONTROL_RGBS(led1r, LED1, RED); BD2802_CONTROL_RGBS(led1g, LED1, GREEN); BD2802_CONTROL_RGBS(led1b, LED1, BLUE); BD2802_CONTROL_RGBS(led2r, LED2, RED); BD2802_CONTROL_RGBS(led2g, LED2, GREEN); BD2802_CONTROL_RGBS(led2b, LED2, BLUE); static int bd2802_register_led_classdev(struct bd2802_led *led) { int ret; led->cdev_led1r.name = "led1_R"; led->cdev_led1r.brightness = LED_OFF; led->cdev_led1r.brightness_set_blocking = bd2802_set_led1r_brightness; led->cdev_led1r.blink_set = bd2802_set_led1r_blink; ret = led_classdev_register(&led->client->dev, &led->cdev_led1r); if (ret < 0) { dev_err(&led->client->dev, "couldn't register LED %s\n", led->cdev_led1r.name); goto failed_unregister_led1_R; } led->cdev_led1g.name = "led1_G"; led->cdev_led1g.brightness = LED_OFF; led->cdev_led1g.brightness_set_blocking = bd2802_set_led1g_brightness; led->cdev_led1g.blink_set = bd2802_set_led1g_blink; ret = led_classdev_register(&led->client->dev, &led->cdev_led1g); if (ret < 0) { dev_err(&led->client->dev, "couldn't register LED %s\n", led->cdev_led1g.name); goto failed_unregister_led1_G; } led->cdev_led1b.name = "led1_B"; led->cdev_led1b.brightness = LED_OFF; led->cdev_led1b.brightness_set_blocking = bd2802_set_led1b_brightness; led->cdev_led1b.blink_set = bd2802_set_led1b_blink; ret = led_classdev_register(&led->client->dev, &led->cdev_led1b); if (ret < 0) { dev_err(&led->client->dev, "couldn't register LED %s\n", led->cdev_led1b.name); goto failed_unregister_led1_B; } led->cdev_led2r.name = "led2_R"; led->cdev_led2r.brightness = LED_OFF; led->cdev_led2r.brightness_set_blocking = bd2802_set_led2r_brightness; led->cdev_led2r.blink_set = bd2802_set_led2r_blink; ret = led_classdev_register(&led->client->dev, &led->cdev_led2r); if (ret < 0) { dev_err(&led->client->dev, "couldn't register LED %s\n", led->cdev_led2r.name); goto failed_unregister_led2_R; } led->cdev_led2g.name = "led2_G"; led->cdev_led2g.brightness = LED_OFF; led->cdev_led2g.brightness_set_blocking = bd2802_set_led2g_brightness; led->cdev_led2g.blink_set = bd2802_set_led2g_blink; ret = led_classdev_register(&led->client->dev, &led->cdev_led2g); if (ret < 0) { dev_err(&led->client->dev, "couldn't register LED %s\n", led->cdev_led2g.name); goto failed_unregister_led2_G; } led->cdev_led2b.name = "led2_B"; led->cdev_led2b.brightness = LED_OFF; led->cdev_led2b.brightness_set_blocking = bd2802_set_led2b_brightness; led->cdev_led2b.blink_set = bd2802_set_led2b_blink; led->cdev_led2b.flags |= LED_CORE_SUSPENDRESUME; ret = led_classdev_register(&led->client->dev, &led->cdev_led2b); if (ret < 0) { dev_err(&led->client->dev, "couldn't register LED %s\n", led->cdev_led2b.name); goto failed_unregister_led2_B; } return 0; failed_unregister_led2_B: led_classdev_unregister(&led->cdev_led2g); failed_unregister_led2_G: led_classdev_unregister(&led->cdev_led2r); failed_unregister_led2_R: led_classdev_unregister(&led->cdev_led1b); failed_unregister_led1_B: led_classdev_unregister(&led->cdev_led1g); failed_unregister_led1_G: led_classdev_unregister(&led->cdev_led1r); failed_unregister_led1_R: return ret; } static void bd2802_unregister_led_classdev(struct bd2802_led *led) { led_classdev_unregister(&led->cdev_led2b); led_classdev_unregister(&led->cdev_led2g); led_classdev_unregister(&led->cdev_led2r); led_classdev_unregister(&led->cdev_led1b); led_classdev_unregister(&led->cdev_led1g); led_classdev_unregister(&led->cdev_led1r); } static int bd2802_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct bd2802_led *led; struct bd2802_led_platform_data *pdata; int ret, i; led = devm_kzalloc(&client->dev, sizeof(struct bd2802_led), GFP_KERNEL); if (!led) return -ENOMEM; led->client = client; pdata = led->pdata = dev_get_platdata(&client->dev); i2c_set_clientdata(client, led); /* Configure RESET GPIO (L: RESET, H: RESET cancel) */ gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH, "RGB_RESETB"); /* Tacss = min 0.1ms */ udelay(100); /* Detect BD2802GU */ ret = bd2802_write_byte(client, BD2802_REG_CLKSETUP, 0x00); if (ret < 0) { dev_err(&client->dev, "failed to detect device\n"); return ret; } else dev_info(&client->dev, "return 0x%02x\n", ret); /* To save the power, reset BD2802 after detecting */ gpio_set_value(led->pdata->reset_gpio, 0); /* Default attributes */ led->wave_pattern = BD2802_PATTERN_HALF; led->rgb_current = BD2802_CURRENT_032; init_rwsem(&led->rwsem); for (i = 0; i < ARRAY_SIZE(bd2802_attributes); i++) { ret = device_create_file(&led->client->dev, bd2802_attributes[i]); if (ret) { dev_err(&led->client->dev, "failed: sysfs file %s\n", bd2802_attributes[i]->attr.name); goto failed_unregister_dev_file; } } ret = bd2802_register_led_classdev(led); if (ret < 0) goto failed_unregister_dev_file; return 0; failed_unregister_dev_file: for (i--; i >= 0; i--) device_remove_file(&led->client->dev, bd2802_attributes[i]); return ret; } static int bd2802_remove(struct i2c_client *client) { struct bd2802_led *led = i2c_get_clientdata(client); int i; gpio_set_value(led->pdata->reset_gpio, 0); bd2802_unregister_led_classdev(led); if (led->adf_on) bd2802_disable_adv_conf(led); for (i = 0; i < ARRAY_SIZE(bd2802_attributes); i++) device_remove_file(&led->client->dev, bd2802_attributes[i]); return 0; } #ifdef CONFIG_PM_SLEEP static void bd2802_restore_state(struct bd2802_led *led) { int i; for (i = 0; i < LED_NUM; i++) { if (led->led[i].r) bd2802_turn_on(led, i, RED, led->led[i].r); if (led->led[i].g) bd2802_turn_on(led, i, GREEN, led->led[i].g); if (led->led[i].b) bd2802_turn_on(led, i, BLUE, led->led[i].b); } } static int bd2802_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct bd2802_led *led = i2c_get_clientdata(client); gpio_set_value(led->pdata->reset_gpio, 0); return 0; } static int bd2802_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct bd2802_led *led = i2c_get_clientdata(client); if (!bd2802_is_all_off(led) || led->adf_on) { bd2802_reset_cancel(led); bd2802_restore_state(led); } return 0; } #endif static SIMPLE_DEV_PM_OPS(bd2802_pm, bd2802_suspend, bd2802_resume); static const struct i2c_device_id bd2802_id[] = { { "BD2802", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, bd2802_id); static struct i2c_driver bd2802_i2c_driver = { .driver = { .name = "BD2802", .pm = &bd2802_pm, }, .probe = bd2802_probe, .remove = bd2802_remove, .id_table = bd2802_id, }; module_i2c_driver(bd2802_i2c_driver); MODULE_AUTHOR("Kim Kyuwon <q1.kim@samsung.com>"); MODULE_DESCRIPTION("BD2802 LED driver"); MODULE_LICENSE("GPL v2");
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