53 static int lp3943_gpio_request(struct gpio_chip *chip, unsigned offset)  in lp3943_gpio_request()  argument
59 	if (test_and_set_bit(offset, &lp3943->pin_used))  in lp3943_gpio_request()
65 static void lp3943_gpio_free(struct gpio_chip *chip, unsigned offset)  in lp3943_gpio_free()  argument
70 	clear_bit(offset, &lp3943->pin_used);  in lp3943_gpio_free()
73 static int lp3943_gpio_set_mode(struct lp3943_gpio *lp3943_gpio, u8 offset,  in lp3943_gpio_set_mode()  argument
79 	return lp3943_update_bits(lp3943, mux[offset].reg, mux[offset].mask,  in lp3943_gpio_set_mode()
80 				  val << mux[offset].shift);  in lp3943_gpio_set_mode()
83 static int lp3943_gpio_direction_input(struct gpio_chip *chip, unsigned offset)  in lp3943_gpio_direction_input()  argument
87 	lp3943_gpio->input_mask |= BIT(offset);  in lp3943_gpio_direction_input()
89 	return lp3943_gpio_set_mode(lp3943_gpio, offset, LP3943_GPIO_IN);  in lp3943_gpio_direction_input()
93 				     struct gpio_chip *chip, unsigned offset)  in lp3943_get_gpio_in_status()  argument
98 	switch (offset) {  in lp3943_get_gpio_in_status()
104 		offset = offset - 8;  in lp3943_get_gpio_in_status()
114 	return !!(read & BIT(offset));  in lp3943_get_gpio_in_status()
118 				      struct gpio_chip *chip, unsigned offset)  in lp3943_get_gpio_out_status()  argument
125 	err = lp3943_read_byte(lp3943, mux[offset].reg, &read);  in lp3943_get_gpio_out_status()
129 	read = (read & mux[offset].mask) >> mux[offset].shift;  in lp3943_get_gpio_out_status()
139 static int lp3943_gpio_get(struct gpio_chip *chip, unsigned offset)  in lp3943_gpio_get()  argument
152 	if (lp3943_gpio->input_mask & BIT(offset))  in lp3943_gpio_get()
153 		return lp3943_get_gpio_in_status(lp3943_gpio, chip, offset);  in lp3943_gpio_get()
155 		return lp3943_get_gpio_out_status(lp3943_gpio, chip, offset);  in lp3943_gpio_get()
158 static void lp3943_gpio_set(struct gpio_chip *chip, unsigned offset, int value)  in lp3943_gpio_set()  argument
168 	lp3943_gpio_set_mode(lp3943_gpio, offset, data);  in lp3943_gpio_set()
171 static int lp3943_gpio_direction_output(struct gpio_chip *chip, unsigned offset,  in lp3943_gpio_direction_output()  argument
176 	lp3943_gpio_set(chip, offset, value);  in lp3943_gpio_direction_output()
177 	lp3943_gpio->input_mask &= ~BIT(offset);  in lp3943_gpio_direction_output()