109 	struct i2c_client *client;  member
123 	struct i2c_client	*client;  member
129 static int adp8870_read(struct i2c_client *client, int reg, uint8_t *val)  in adp8870_read()  argument
133 	ret = i2c_smbus_read_byte_data(client, reg);  in adp8870_read()
135 		dev_err(&client->dev, "failed reading at 0x%02x\n", reg);  in adp8870_read()
144 static int adp8870_write(struct i2c_client *client, u8 reg, u8 val)  in adp8870_write()  argument
146 	int ret = i2c_smbus_write_byte_data(client, reg, val);  in adp8870_write()
149 		dev_err(&client->dev, "failed to write\n");  in adp8870_write()
154 static int adp8870_set_bits(struct i2c_client *client, int reg, uint8_t bit_mask)  in adp8870_set_bits()  argument
156 	struct adp8870_bl *data = i2c_get_clientdata(client);  in adp8870_set_bits()
162 	ret = adp8870_read(client, reg, &reg_val);  in adp8870_set_bits()
166 		ret = adp8870_write(client, reg, reg_val);  in adp8870_set_bits()
173 static int adp8870_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask)  in adp8870_clr_bits()  argument
175 	struct adp8870_bl *data = i2c_get_clientdata(client);  in adp8870_clr_bits()
181 	ret = adp8870_read(client, reg, &reg_val);  in adp8870_clr_bits()
185 		ret = adp8870_write(client, reg, reg_val);  in adp8870_clr_bits()
200 	adp8870_write(led->client, ADP8870_ISC1 + led->id - 1,  in adp8870_led_work()
219 	struct i2c_client *client = led->client;  in adp8870_led_setup()  local
222 	ret = adp8870_write(client, ADP8870_ISC1 + led->id - 1, 0);  in adp8870_led_setup()
226 	ret = adp8870_set_bits(client, ADP8870_ISCC, 1 << (led->id - 1));  in adp8870_led_setup()
231 		ret = adp8870_set_bits(client, ADP8870_ISCT1,  in adp8870_led_setup()
234 		ret = adp8870_set_bits(client, ADP8870_ISCT2,  in adp8870_led_setup()
240 static int adp8870_led_probe(struct i2c_client *client)  in adp8870_led_probe()  argument
243 		dev_get_platdata(&client->dev);  in adp8870_led_probe()
244 	struct adp8870_bl *data = i2c_get_clientdata(client);  in adp8870_led_probe()
249 	led = devm_kzalloc(&client->dev, pdata->num_leds * sizeof(*led),  in adp8870_led_probe()
254 	ret = adp8870_write(client, ADP8870_ISCLAW, pdata->led_fade_law);  in adp8870_led_probe()
258 	ret = adp8870_write(client, ADP8870_ISCT1,  in adp8870_led_probe()
263 	ret = adp8870_write(client, ADP8870_ISCF,  in adp8870_led_probe()
275 			dev_err(&client->dev, "Invalid LED ID %d\n",  in adp8870_led_probe()
282 			dev_err(&client->dev, "LED %d used by Backlight\n",  in adp8870_led_probe()
293 		led_dat->client = client;  in adp8870_led_probe()
297 		ret = led_classdev_register(&client->dev, &led_dat->cdev);  in adp8870_led_probe()
299 			dev_err(&client->dev, "failed to register LED %d\n",  in adp8870_led_probe()
306 			dev_err(&client->dev, "failed to write\n");  in adp8870_led_probe()
325 static int adp8870_led_remove(struct i2c_client *client)  in adp8870_led_remove()  argument
328 		dev_get_platdata(&client->dev);  in adp8870_led_remove()
329 	struct adp8870_bl *data = i2c_get_clientdata(client);  in adp8870_led_remove()
340 static int adp8870_led_probe(struct i2c_client *client)  in adp8870_led_probe()  argument
345 static int adp8870_led_remove(struct i2c_client *client)  in adp8870_led_remove()  argument
354 	struct i2c_client *client = data->client;  in adp8870_bl_set()  local
360 			ret = adp8870_clr_bits(client, ADP8870_MDCR,  in adp8870_bl_set()
364 			ret = adp8870_write(client, ADP8870_BLMX1, brightness);  in adp8870_bl_set()
372 			ret = adp8870_write(client, ADP8870_BLMX1,  in adp8870_bl_set()
377 			ret = adp8870_set_bits(client, ADP8870_MDCR,  in adp8870_bl_set()
383 		ret = adp8870_write(client, ADP8870_BLMX1, brightness);  in adp8870_bl_set()
389 		ret = adp8870_set_bits(client,  in adp8870_bl_set()
392 		ret = adp8870_clr_bits(client,  in adp8870_bl_set()
429 	struct i2c_client *client = data->client;  in adp8870_bl_setup()  local
433 	ret = adp8870_write(client, ADP8870_BLSEL, ~pdata->bl_led_assign);  in adp8870_bl_setup()
437 	ret = adp8870_write(client, ADP8870_PWMLED, pdata->pwm_assign);  in adp8870_bl_setup()
441 	ret = adp8870_write(client, ADP8870_BLMX1, pdata->l1_daylight_max);  in adp8870_bl_setup()
445 	ret = adp8870_write(client, ADP8870_BLDM1, pdata->l1_daylight_dim);  in adp8870_bl_setup()
451 		ret = adp8870_write(client, ADP8870_BLMX2,  in adp8870_bl_setup()
455 		ret = adp8870_write(client, ADP8870_BLDM2,  in adp8870_bl_setup()
460 		ret = adp8870_write(client, ADP8870_BLMX3,  in adp8870_bl_setup()
464 		ret = adp8870_write(client, ADP8870_BLDM3,  in adp8870_bl_setup()
469 		ret = adp8870_write(client, ADP8870_BLMX4,  in adp8870_bl_setup()
474 		ret = adp8870_write(client, ADP8870_BLDM4,  in adp8870_bl_setup()
479 		ret = adp8870_write(client, ADP8870_BLMX5,  in adp8870_bl_setup()
484 		ret = adp8870_write(client, ADP8870_BLDM5,  in adp8870_bl_setup()
489 		ret = adp8870_write(client, ADP8870_L2TRP, pdata->l2_trip);  in adp8870_bl_setup()
493 		ret = adp8870_write(client, ADP8870_L2HYS, pdata->l2_hyst);  in adp8870_bl_setup()
497 		ret = adp8870_write(client, ADP8870_L3TRP, pdata->l3_trip);  in adp8870_bl_setup()
501 		ret = adp8870_write(client, ADP8870_L3HYS, pdata->l3_hyst);  in adp8870_bl_setup()
505 		ret = adp8870_write(client, ADP8870_L4TRP, pdata->l4_trip);  in adp8870_bl_setup()
509 		ret = adp8870_write(client, ADP8870_L4HYS, pdata->l4_hyst);  in adp8870_bl_setup()
513 		ret = adp8870_write(client, ADP8870_L5TRP, pdata->l5_trip);  in adp8870_bl_setup()
517 		ret = adp8870_write(client, ADP8870_L5HYS, pdata->l5_hyst);  in adp8870_bl_setup()
521 		ret = adp8870_write(client, ADP8870_ALS1_EN, L5_EN | L4_EN |  in adp8870_bl_setup()
526 		ret = adp8870_write(client, ADP8870_CMP_CTL,  in adp8870_bl_setup()
532 	ret = adp8870_write(client, ADP8870_CFGR,  in adp8870_bl_setup()
537 	ret = adp8870_write(client, ADP8870_BLFR, FADE_VAL(pdata->bl_fade_in,  in adp8870_bl_setup()
545 	ret = adp8870_set_bits(client, ADP8870_MDCR, BLEN | DIM_EN | NSTBY |  in adp8870_bl_setup()
558 	error = adp8870_read(data->client, reg, &reg_val);  in adp8870_show()
579 	adp8870_write(data->client, reg, val);  in adp8870_store()
750 	error = adp8870_read(data->client, ADP8870_PH1LEVL, &reg_val);  in adp8870_bl_ambient_light_level_show()
756 	error = adp8870_read(data->client, ADP8870_PH1LEVH, &reg_val);  in adp8870_bl_ambient_light_level_show()
778 	error = adp8870_read(data->client, ADP8870_CFGR, &reg_val);  in adp8870_bl_ambient_light_zone_show()
803 		adp8870_set_bits(data->client, ADP8870_MDCR, CMP_AUTOEN);  in adp8870_bl_ambient_light_zone_store()
806 		adp8870_clr_bits(data->client, ADP8870_MDCR, CMP_AUTOEN);  in adp8870_bl_ambient_light_zone_store()
810 		adp8870_read(data->client, ADP8870_CFGR, &reg_val);  in adp8870_bl_ambient_light_zone_store()
813 		adp8870_write(data->client, ADP8870_CFGR, reg_val);  in adp8870_bl_ambient_light_zone_store()
846 static int adp8870_probe(struct i2c_client *client,  in adp8870_probe()  argument
853 		dev_get_platdata(&client->dev);  in adp8870_probe()
857 	if (!i2c_check_functionality(client->adapter,  in adp8870_probe()
859 		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");  in adp8870_probe()
864 		dev_err(&client->dev, "no platform data?\n");  in adp8870_probe()
868 	ret = adp8870_read(client, ADP8870_MFDVID, &reg_val);  in adp8870_probe()
873 		dev_err(&client->dev, "failed to probe\n");  in adp8870_probe()
877 	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);  in adp8870_probe()
882 	data->client = client;  in adp8870_probe()
886 	i2c_set_clientdata(client, data);  in adp8870_probe()
893 	bl = devm_backlight_device_register(&client->dev,  in adp8870_probe()
894 				dev_driver_string(&client->dev),  in adp8870_probe()
895 				&client->dev, data, &adp8870_bl_ops, &props);  in adp8870_probe()
897 		dev_err(&client->dev, "failed to register backlight\n");  in adp8870_probe()
907 			dev_err(&client->dev, "failed to register sysfs\n");  in adp8870_probe()
920 	dev_info(&client->dev, "Rev.%d Backlight\n", data->revid);  in adp8870_probe()
923 		adp8870_led_probe(client);  in adp8870_probe()
935 static int adp8870_remove(struct i2c_client *client)  in adp8870_remove()  argument
937 	struct adp8870_bl *data = i2c_get_clientdata(client);  in adp8870_remove()
939 	adp8870_clr_bits(client, ADP8870_MDCR, NSTBY);  in adp8870_remove()
942 		adp8870_led_remove(client);  in adp8870_remove()
954 	struct i2c_client *client = to_i2c_client(dev);  in adp8870_i2c_suspend()  local
956 	adp8870_clr_bits(client, ADP8870_MDCR, NSTBY);  in adp8870_i2c_suspend()
963 	struct i2c_client *client = to_i2c_client(dev);  in adp8870_i2c_resume()  local
965 	adp8870_set_bits(client, ADP8870_MDCR, NSTBY | BLEN);  in adp8870_i2c_resume()