video/backlight/lm3630a_bl.c

61 	int rval;
64 	rval = regmap_read(pchip->regmap, reg, &reg_val);
65 	if (rval < 0)
66 		return rval;
86 	int rval;
91 	rval = lm3630a_write(pchip, REG_FILTER_STRENGTH, 0x03);
93 	rval |= lm3630a_update(pchip, REG_CONFIG, 0x07, pdata->pwm_ctrl);
95 	rval |= lm3630a_write(pchip, REG_BOOST, 0x38);
97 	rval |= lm3630a_update(pchip, REG_I_A, 0x1F, 0x1F);
99 	rval |= lm3630a_write(pchip, REG_I_B, 0x1F);
101 	rval |= lm3630a_update(pchip, REG_CTRL, 0x14, pdata->leda_ctrl);
102 	rval |= lm3630a_update(pchip, REG_CTRL, 0x0B, pdata->ledb_ctrl);
105 	rval |= lm3630a_write(pchip, REG_BRT_A, pdata->leda_init_brt);
106 	rval |= lm3630a_write(pchip, REG_BRT_B, pdata->ledb_init_brt);
108 	if (rval < 0)
110 	return rval;
116 	int rval;
121 	rval = lm3630a_read(pchip, REG_INT_STATUS);
122 	if (rval < 0) {
128 	dev_info(pchip->dev, "REG_INT_STATUS Register is 0x%x\n", rval);
133 	int rval;
139 	rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00);
140 	if (rval < 0) {
149 	int rval;
151 	rval = lm3630a_write(pchip, REG_INT_EN, 0x87);
152 	if (rval < 0)
153 		return rval;
168 	return rval;
224 	int brightness, rval;
229 		rval = lm3630a_read(pchip, REG_PWM_OUTHIGH);
230 		if (rval < 0)
232 		brightness = (rval & 0x01) << 8;
233 		rval = lm3630a_read(pchip, REG_PWM_OUTLOW);
234 		if (rval < 0)
236 		brightness |= rval;
241 	rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00);
242 	if (rval < 0)
245 	rval = lm3630a_read(pchip, REG_BRT_A);
246 	if (rval < 0)
248 	return rval;
299 	int brightness, rval;
304 		rval = lm3630a_read(pchip, REG_PWM_OUTHIGH);
305 		if (rval < 0)
307 		brightness = (rval & 0x01) << 8;
308 		rval = lm3630a_read(pchip, REG_PWM_OUTLOW);
309 		if (rval < 0)
311 		brightness |= rval;
316 	rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00);
317 	if (rval < 0)
320 	rval = lm3630a_read(pchip, REG_BRT_B);
321 	if (rval < 0)
323 	return rval;
499 	int rval;
514 		rval = PTR_ERR(pchip->regmap);
515 		dev_err(&client->dev, "fail : allocate reg. map: %d\n", rval);
516 		return rval;
533 		rval = lm3630a_parse_node(pchip, pdata);
534 		if (rval) {
536 			return rval;
547 	rval = lm3630a_chip_init(pchip);
548 	if (rval < 0) {
550 		return rval;
553 	rval = lm3630a_backlight_register(pchip);
554 	if (rval < 0) {
556 		return rval;
571 		rval = lm3630a_intr_config(pchip);
572 		if (rval < 0)
573 			return rval;
581 	int rval;
584 	rval = lm3630a_write(pchip, REG_BRT_A, 0);
585 	if (rval < 0)
588 	rval = lm3630a_write(pchip, REG_BRT_B, 0);
589 	if (rval < 0)