94 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_config()  local
99 	if (period_ns != pca->period_ns) {  in pca9685_pwm_config()
106 			regmap_update_bits(pca->regmap, PCA9685_MODE1,  in pca9685_pwm_config()
110 			regmap_write(pca->regmap, PCA9685_PRESCALE, prescale);  in pca9685_pwm_config()
113 			regmap_update_bits(pca->regmap, PCA9685_MODE1,  in pca9685_pwm_config()
119 			pca->period_ns = period_ns;  in pca9685_pwm_config()
125 			if (duty_ns == pca->duty_ns) {  in pca9685_pwm_config()
126 				regmap_update_bits(pca->regmap, PCA9685_MODE1,  in pca9685_pwm_config()
137 	pca->duty_ns = duty_ns;  in pca9685_pwm_config()
145 		regmap_write(pca->regmap, reg, LED_FULL);  in pca9685_pwm_config()
157 		regmap_write(pca->regmap, reg, 0x0);  in pca9685_pwm_config()
164 		regmap_write(pca->regmap, reg, 0x0);  in pca9685_pwm_config()
172 		regmap_write(pca->regmap, reg, LED_FULL);  in pca9685_pwm_config()
185 	regmap_write(pca->regmap, reg, (int)duty & 0xff);  in pca9685_pwm_config()
192 	regmap_write(pca->regmap, reg, ((int)duty >> 8) & 0xf);  in pca9685_pwm_config()
200 	regmap_write(pca->regmap, reg, 0);  in pca9685_pwm_config()
207 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_enable()  local
219 	regmap_write(pca->regmap, reg, 0);  in pca9685_pwm_enable()
226 	regmap_write(pca->regmap, reg, 0);  in pca9685_pwm_enable()
237 	regmap_update_bits(pca->regmap, reg, LED_FULL, 0x0);  in pca9685_pwm_enable()
244 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_disable()  local
252 	regmap_write(pca->regmap, reg, LED_FULL);  in pca9685_pwm_disable()
260 	regmap_write(pca->regmap, reg, 0x0);  in pca9685_pwm_disable()
265 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_request()  local
267 	if (pca->active_cnt++ == 0)  in pca9685_pwm_request()
268 		return regmap_update_bits(pca->regmap, PCA9685_MODE1,  in pca9685_pwm_request()
276 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_free()  local
278 	if (--pca->active_cnt == 0)  in pca9685_pwm_free()
279 		regmap_update_bits(pca->regmap, PCA9685_MODE1, MODE1_SLEEP,  in pca9685_pwm_free()
302 	struct pca9685 *pca;  in pca9685_pwm_probe()  local
306 	pca = devm_kzalloc(&client->dev, sizeof(*pca), GFP_KERNEL);  in pca9685_pwm_probe()
307 	if (!pca)  in pca9685_pwm_probe()
310 	pca->regmap = devm_regmap_init_i2c(client, &pca9685_regmap_i2c_config);  in pca9685_pwm_probe()
311 	if (IS_ERR(pca->regmap)) {  in pca9685_pwm_probe()
312 		ret = PTR_ERR(pca->regmap);  in pca9685_pwm_probe()
317 	pca->duty_ns = 0;  in pca9685_pwm_probe()
318 	pca->period_ns = PCA9685_DEFAULT_PERIOD;  in pca9685_pwm_probe()
320 	i2c_set_clientdata(client, pca);  in pca9685_pwm_probe()
322 	regmap_read(pca->regmap, PCA9685_MODE2, &mode2);  in pca9685_pwm_probe()
334 	regmap_write(pca->regmap, PCA9685_MODE2, mode2);  in pca9685_pwm_probe()
337 	regmap_write(pca->regmap, PCA9685_ALL_LED_OFF_L, 0);  in pca9685_pwm_probe()
338 	regmap_write(pca->regmap, PCA9685_ALL_LED_OFF_H, 0);  in pca9685_pwm_probe()
340 	pca->chip.ops = &pca9685_pwm_ops;  in pca9685_pwm_probe()
342 	pca->chip.npwm = PCA9685_MAXCHAN + 1;  in pca9685_pwm_probe()
344 	pca->chip.dev = &client->dev;  in pca9685_pwm_probe()
345 	pca->chip.base = -1;  in pca9685_pwm_probe()
346 	pca->chip.can_sleep = true;  in pca9685_pwm_probe()
348 	return pwmchip_add(&pca->chip);  in pca9685_pwm_probe()
353 	struct pca9685 *pca = i2c_get_clientdata(client);  in pca9685_pwm_remove()  local
355 	regmap_update_bits(pca->regmap, PCA9685_MODE1, MODE1_SLEEP,  in pca9685_pwm_remove()
358 	return pwmchip_remove(&pca->chip);  in pca9685_pwm_remove()