Lines Matching +full:client +full:- +full:id
2 * leds-bd2802.c - RGB LED Driver
11 * Datasheet: http://www.rohm.com/products/databook/driver/pdf/bd2802gu-e.pdf
20 #include <linux/leds-bd2802.h>
73 struct i2c_client *client; member
107 /*--------------------------------------------------------------*/
109 /*--------------------------------------------------------------*/
111 static inline int bd2802_is_rgb_off(struct bd2802_led *led, enum led_ids id, in bd2802_is_rgb_off() argument
116 return !led->led[id].r; in bd2802_is_rgb_off()
118 return !led->led[id].g; in bd2802_is_rgb_off()
120 return !led->led[id].b; in bd2802_is_rgb_off()
122 dev_err(&led->client->dev, "%s: Invalid color\n", __func__); in bd2802_is_rgb_off()
123 return -EINVAL; in bd2802_is_rgb_off()
127 static inline int bd2802_is_led_off(struct bd2802_led *led, enum led_ids id) in bd2802_is_led_off() argument
129 if (led->led[id].r || led->led[id].g || led->led[id].b) in bd2802_is_led_off()
146 static inline u8 bd2802_get_base_offset(enum led_ids id, enum led_colors color) in bd2802_get_base_offset() argument
148 return id * BD2802_LED_OFFSET + color * BD2802_COLOR_OFFSET; in bd2802_get_base_offset()
151 static inline u8 bd2802_get_reg_addr(enum led_ids id, enum led_colors color, in bd2802_get_reg_addr() argument
154 return reg_offset + bd2802_get_base_offset(id, color); in bd2802_get_reg_addr()
158 /*--------------------------------------------------------------*/
160 /*--------------------------------------------------------------*/
162 static int bd2802_write_byte(struct i2c_client *client, u8 reg, u8 val) in bd2802_write_byte() argument
164 int ret = i2c_smbus_write_byte_data(client, reg, val); in bd2802_write_byte()
168 dev_err(&client->dev, "%s: reg 0x%x, val 0x%x, err %d\n", in bd2802_write_byte()
174 static void bd2802_update_state(struct bd2802_led *led, enum led_ids id, in bd2802_update_state() argument
181 if (i == id) { in bd2802_update_state()
184 led->led[i].r = led_bit; in bd2802_update_state()
187 led->led[i].g = led_bit; in bd2802_update_state()
190 led->led[i].b = led_bit; in bd2802_update_state()
193 dev_err(&led->client->dev, in bd2802_update_state()
203 if (!bd2802_is_led_off(led, id)) in bd2802_update_state()
206 if (bd2802_is_all_off(led) && !led->adf_on) { in bd2802_update_state()
207 gpio_set_value(led->pdata->reset_gpio, 0); in bd2802_update_state()
215 value = (id == LED1) ? LED_CTL(1, 0) : LED_CTL(0, 1); in bd2802_update_state()
216 bd2802_write_byte(led->client, BD2802_REG_CONTROL, value); in bd2802_update_state()
221 struct bd2802_led_platform_data *pdata = led->pdata; in bd2802_configure()
225 bd2802_write_byte(led->client, reg, pdata->rgb_time); in bd2802_configure()
228 bd2802_write_byte(led->client, reg, pdata->rgb_time); in bd2802_configure()
233 gpio_set_value(led->pdata->reset_gpio, 1); in bd2802_reset_cancel()
238 static void bd2802_enable(struct bd2802_led *led, enum led_ids id) in bd2802_enable() argument
240 enum led_ids other_led = (id == LED1) ? LED2 : LED1; in bd2802_enable()
244 if (id == LED1) in bd2802_enable()
249 bd2802_write_byte(led->client, BD2802_REG_CONTROL, value); in bd2802_enable()
252 static void bd2802_set_on(struct bd2802_led *led, enum led_ids id, in bd2802_set_on() argument
257 if (bd2802_is_all_off(led) && !led->adf_on) in bd2802_set_on()
260 reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT1SETUP); in bd2802_set_on()
261 bd2802_write_byte(led->client, reg, led->rgb_current); in bd2802_set_on()
262 reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT2SETUP); in bd2802_set_on()
263 bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); in bd2802_set_on()
264 reg = bd2802_get_reg_addr(id, color, BD2802_REG_WAVEPATTERN); in bd2802_set_on()
265 bd2802_write_byte(led->client, reg, BD2802_PATTERN_FULL); in bd2802_set_on()
267 bd2802_enable(led, id); in bd2802_set_on()
268 bd2802_update_state(led, id, color, BD2802_ON); in bd2802_set_on()
271 static void bd2802_set_blink(struct bd2802_led *led, enum led_ids id, in bd2802_set_blink() argument
276 if (bd2802_is_all_off(led) && !led->adf_on) in bd2802_set_blink()
279 reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT1SETUP); in bd2802_set_blink()
280 bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); in bd2802_set_blink()
281 reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT2SETUP); in bd2802_set_blink()
282 bd2802_write_byte(led->client, reg, led->rgb_current); in bd2802_set_blink()
283 reg = bd2802_get_reg_addr(id, color, BD2802_REG_WAVEPATTERN); in bd2802_set_blink()
284 bd2802_write_byte(led->client, reg, led->wave_pattern); in bd2802_set_blink()
286 bd2802_enable(led, id); in bd2802_set_blink()
287 bd2802_update_state(led, id, color, BD2802_BLINK); in bd2802_set_blink()
290 static void bd2802_turn_on(struct bd2802_led *led, enum led_ids id, in bd2802_turn_on() argument
294 dev_err(&led->client->dev, in bd2802_turn_on()
300 bd2802_set_blink(led, id, color); in bd2802_turn_on()
302 bd2802_set_on(led, id, color); in bd2802_turn_on()
305 static void bd2802_turn_off(struct bd2802_led *led, enum led_ids id, in bd2802_turn_off() argument
310 if (bd2802_is_rgb_off(led, id, color)) in bd2802_turn_off()
313 reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT1SETUP); in bd2802_turn_off()
314 bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); in bd2802_turn_off()
315 reg = bd2802_get_reg_addr(id, color, BD2802_REG_CURRENT2SETUP); in bd2802_turn_off()
316 bd2802_write_byte(led->client, reg, BD2802_CURRENT_000); in bd2802_turn_off()
318 bd2802_update_state(led, id, color, BD2802_OFF); in bd2802_turn_off()
329 return -EINVAL; \
333 down_write(&led->rwsem); \
334 bd2802_write_byte(led->client, reg_addr, (u8) val); \
335 up_write(&led->rwsem); \
396 ret = device_create_file(&led->client->dev, in bd2802_enable_adv_conf()
399 dev_err(&led->client->dev, "failed: sysfs file %s\n", in bd2802_enable_adv_conf()
400 bd2802_addr_attributes[i]->attr.name); in bd2802_enable_adv_conf()
408 led->adf_on = 1; in bd2802_enable_adv_conf()
413 for (i--; i >= 0; i--) in bd2802_enable_adv_conf()
414 device_remove_file(&led->client->dev, in bd2802_enable_adv_conf()
423 device_remove_file(&led->client->dev, in bd2802_disable_adv_conf()
427 gpio_set_value(led->pdata->reset_gpio, 0); in bd2802_disable_adv_conf()
429 led->adf_on = 0; in bd2802_disable_adv_conf()
438 down_read(&led->rwsem); in bd2802_show_adv_conf()
439 if (led->adf_on) in bd2802_show_adv_conf()
443 up_read(&led->rwsem); in bd2802_show_adv_conf()
454 return -EINVAL; in bd2802_store_adv_conf()
456 down_write(&led->rwsem); in bd2802_store_adv_conf()
457 if (!led->adf_on && !strncmp(buf, "on", 2)) in bd2802_store_adv_conf()
459 else if (led->adf_on && !strncmp(buf, "off", 3)) in bd2802_store_adv_conf()
461 up_write(&led->rwsem); in bd2802_store_adv_conf()
481 down_read(&led->rwsem); \
482 ret = sprintf(buf, "0x%02x\n", led->attr_name); \
483 up_read(&led->rwsem); \
493 return -EINVAL; \
497 down_write(&led->rwsem); \
498 led->attr_name = val; \
499 up_write(&led->rwsem); \
520 #define BD2802_CONTROL_RGBS(name, id, clr) \ argument
526 led->led_id = id; \
527 led->color = clr; \
529 led->state = BD2802_OFF; \
530 bd2802_turn_off(led, led->led_id, led->color); \
532 led->state = BD2802_ON; \
533 bd2802_turn_on(led, led->led_id, led->color, BD2802_ON);\
543 return -EINVAL; \
544 led->led_id = id; \
545 led->color = clr; \
546 led->state = BD2802_BLINK; \
547 bd2802_turn_on(led, led->led_id, led->color, BD2802_BLINK); \
562 led->cdev_led1r.name = "led1_R"; in bd2802_register_led_classdev()
563 led->cdev_led1r.brightness = LED_OFF; in bd2802_register_led_classdev()
564 led->cdev_led1r.brightness_set_blocking = bd2802_set_led1r_brightness; in bd2802_register_led_classdev()
565 led->cdev_led1r.blink_set = bd2802_set_led1r_blink; in bd2802_register_led_classdev()
567 ret = led_classdev_register(&led->client->dev, &led->cdev_led1r); in bd2802_register_led_classdev()
569 dev_err(&led->client->dev, "couldn't register LED %s\n", in bd2802_register_led_classdev()
570 led->cdev_led1r.name); in bd2802_register_led_classdev()
574 led->cdev_led1g.name = "led1_G"; in bd2802_register_led_classdev()
575 led->cdev_led1g.brightness = LED_OFF; in bd2802_register_led_classdev()
576 led->cdev_led1g.brightness_set_blocking = bd2802_set_led1g_brightness; in bd2802_register_led_classdev()
577 led->cdev_led1g.blink_set = bd2802_set_led1g_blink; in bd2802_register_led_classdev()
579 ret = led_classdev_register(&led->client->dev, &led->cdev_led1g); in bd2802_register_led_classdev()
581 dev_err(&led->client->dev, "couldn't register LED %s\n", in bd2802_register_led_classdev()
582 led->cdev_led1g.name); in bd2802_register_led_classdev()
586 led->cdev_led1b.name = "led1_B"; in bd2802_register_led_classdev()
587 led->cdev_led1b.brightness = LED_OFF; in bd2802_register_led_classdev()
588 led->cdev_led1b.brightness_set_blocking = bd2802_set_led1b_brightness; in bd2802_register_led_classdev()
589 led->cdev_led1b.blink_set = bd2802_set_led1b_blink; in bd2802_register_led_classdev()
591 ret = led_classdev_register(&led->client->dev, &led->cdev_led1b); in bd2802_register_led_classdev()
593 dev_err(&led->client->dev, "couldn't register LED %s\n", in bd2802_register_led_classdev()
594 led->cdev_led1b.name); in bd2802_register_led_classdev()
598 led->cdev_led2r.name = "led2_R"; in bd2802_register_led_classdev()
599 led->cdev_led2r.brightness = LED_OFF; in bd2802_register_led_classdev()
600 led->cdev_led2r.brightness_set_blocking = bd2802_set_led2r_brightness; in bd2802_register_led_classdev()
601 led->cdev_led2r.blink_set = bd2802_set_led2r_blink; in bd2802_register_led_classdev()
603 ret = led_classdev_register(&led->client->dev, &led->cdev_led2r); in bd2802_register_led_classdev()
605 dev_err(&led->client->dev, "couldn't register LED %s\n", in bd2802_register_led_classdev()
606 led->cdev_led2r.name); in bd2802_register_led_classdev()
610 led->cdev_led2g.name = "led2_G"; in bd2802_register_led_classdev()
611 led->cdev_led2g.brightness = LED_OFF; in bd2802_register_led_classdev()
612 led->cdev_led2g.brightness_set_blocking = bd2802_set_led2g_brightness; in bd2802_register_led_classdev()
613 led->cdev_led2g.blink_set = bd2802_set_led2g_blink; in bd2802_register_led_classdev()
615 ret = led_classdev_register(&led->client->dev, &led->cdev_led2g); in bd2802_register_led_classdev()
617 dev_err(&led->client->dev, "couldn't register LED %s\n", in bd2802_register_led_classdev()
618 led->cdev_led2g.name); in bd2802_register_led_classdev()
622 led->cdev_led2b.name = "led2_B"; in bd2802_register_led_classdev()
623 led->cdev_led2b.brightness = LED_OFF; in bd2802_register_led_classdev()
624 led->cdev_led2b.brightness_set_blocking = bd2802_set_led2b_brightness; in bd2802_register_led_classdev()
625 led->cdev_led2b.blink_set = bd2802_set_led2b_blink; in bd2802_register_led_classdev()
626 led->cdev_led2b.flags |= LED_CORE_SUSPENDRESUME; in bd2802_register_led_classdev()
628 ret = led_classdev_register(&led->client->dev, &led->cdev_led2b); in bd2802_register_led_classdev()
630 dev_err(&led->client->dev, "couldn't register LED %s\n", in bd2802_register_led_classdev()
631 led->cdev_led2b.name); in bd2802_register_led_classdev()
638 led_classdev_unregister(&led->cdev_led2g); in bd2802_register_led_classdev()
640 led_classdev_unregister(&led->cdev_led2r); in bd2802_register_led_classdev()
642 led_classdev_unregister(&led->cdev_led1b); in bd2802_register_led_classdev()
644 led_classdev_unregister(&led->cdev_led1g); in bd2802_register_led_classdev()
646 led_classdev_unregister(&led->cdev_led1r); in bd2802_register_led_classdev()
654 led_classdev_unregister(&led->cdev_led2b); in bd2802_unregister_led_classdev()
655 led_classdev_unregister(&led->cdev_led2g); in bd2802_unregister_led_classdev()
656 led_classdev_unregister(&led->cdev_led2r); in bd2802_unregister_led_classdev()
657 led_classdev_unregister(&led->cdev_led1b); in bd2802_unregister_led_classdev()
658 led_classdev_unregister(&led->cdev_led1g); in bd2802_unregister_led_classdev()
659 led_classdev_unregister(&led->cdev_led1r); in bd2802_unregister_led_classdev()
662 static int bd2802_probe(struct i2c_client *client, in bd2802_probe() argument
663 const struct i2c_device_id *id) in bd2802_probe() argument
669 led = devm_kzalloc(&client->dev, sizeof(struct bd2802_led), GFP_KERNEL); in bd2802_probe()
671 return -ENOMEM; in bd2802_probe()
673 led->client = client; in bd2802_probe()
674 pdata = led->pdata = dev_get_platdata(&client->dev); in bd2802_probe()
675 i2c_set_clientdata(client, led); in bd2802_probe()
678 gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH, "RGB_RESETB"); in bd2802_probe()
684 ret = bd2802_write_byte(client, BD2802_REG_CLKSETUP, 0x00); in bd2802_probe()
686 dev_err(&client->dev, "failed to detect device\n"); in bd2802_probe()
689 dev_info(&client->dev, "return 0x%02x\n", ret); in bd2802_probe()
692 gpio_set_value(led->pdata->reset_gpio, 0); in bd2802_probe()
695 led->wave_pattern = BD2802_PATTERN_HALF; in bd2802_probe()
696 led->rgb_current = BD2802_CURRENT_032; in bd2802_probe()
698 init_rwsem(&led->rwsem); in bd2802_probe()
701 ret = device_create_file(&led->client->dev, in bd2802_probe()
704 dev_err(&led->client->dev, "failed: sysfs file %s\n", in bd2802_probe()
705 bd2802_attributes[i]->attr.name); in bd2802_probe()
717 for (i--; i >= 0; i--) in bd2802_probe()
718 device_remove_file(&led->client->dev, bd2802_attributes[i]); in bd2802_probe()
722 static int bd2802_remove(struct i2c_client *client) in bd2802_remove() argument
724 struct bd2802_led *led = i2c_get_clientdata(client); in bd2802_remove()
727 gpio_set_value(led->pdata->reset_gpio, 0); in bd2802_remove()
729 if (led->adf_on) in bd2802_remove()
732 device_remove_file(&led->client->dev, bd2802_attributes[i]); in bd2802_remove()
743 if (led->led[i].r) in bd2802_restore_state()
744 bd2802_turn_on(led, i, RED, led->led[i].r); in bd2802_restore_state()
745 if (led->led[i].g) in bd2802_restore_state()
746 bd2802_turn_on(led, i, GREEN, led->led[i].g); in bd2802_restore_state()
747 if (led->led[i].b) in bd2802_restore_state()
748 bd2802_turn_on(led, i, BLUE, led->led[i].b); in bd2802_restore_state()
754 struct i2c_client *client = to_i2c_client(dev); in bd2802_suspend() local
755 struct bd2802_led *led = i2c_get_clientdata(client); in bd2802_suspend()
757 gpio_set_value(led->pdata->reset_gpio, 0); in bd2802_suspend()
764 struct i2c_client *client = to_i2c_client(dev); in bd2802_resume() local
765 struct bd2802_led *led = i2c_get_clientdata(client); in bd2802_resume()
767 if (!bd2802_is_all_off(led) || led->adf_on) { in bd2802_resume()