1 // SPDX-License-Identifier: GPL-2.0+
22 #define PCA9551_CTRL_AI		(1 << 4)	/* Auto-increment flag */
34 static int freq_last = -1;
35 static int mask_last = -1;
36 static int idx_last = -1;
39 static int pca9551_led_get_state(int led, int *state)  in pca9551_led_get_state()  argument
45 	if (led < 0 || led > 7) {  in pca9551_led_get_state()
46 		return -EINVAL;  in pca9551_led_get_state()
47 	} else if (led < 4) {  in pca9551_led_get_state()
49 		shift = led << 1;  in pca9551_led_get_state()
52 		shift = (led - 4) << 1;  in pca9551_led_get_state()
63 static int pca9551_led_set_state(int led, int state)  in pca9551_led_set_state()  argument
69 	if (led < 0 || led > 7) {  in pca9551_led_set_state()
70 		return -EINVAL;  in pca9551_led_set_state()
71 	} else if (led < 4) {  in pca9551_led_set_state()
73 		shift = led << 1;  in pca9551_led_set_state()
76 		shift = (led - 4) << 1;  in pca9551_led_set_state()
106 		return -EINVAL;  in pca9551_led_set_blink_rate()
165 	rate.psc = ((freq * 38) / 1000) - 1;  in __led_blink()