-static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset)
-{
- struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
- uint8_t val;
- int ret;
-
- ret = __tps6586x_read(tps6586x->client, TPS6586X_GPIOSET2, &val);
- if (ret)
- return ret;
-
- return !!(val & (1 << offset));
-}
-
-
-static void tps6586x_gpio_set(struct gpio_chip *chip, unsigned offset,
- int value)
-{
- struct tps6586x *tps6586x = container_of(chip, struct tps6586x, gpio);
-
- tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET2,
- value << offset, 1 << offset);
-}
-
-static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset,
- int value)
-{
- struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
- uint8_t val, mask;
-
- tps6586x_gpio_set(gc, offset, value);
-
- val = 0x1 << (offset * 2);
- mask = 0x3 << (offset * 2);
-
- return tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET1, val, mask);
-}
-
-static int tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base)
-{
- if (!gpio_base)
- return 0;
-
- tps6586x->gpio.owner = THIS_MODULE;
- tps6586x->gpio.label = tps6586x->client->name;
- tps6586x->gpio.dev = tps6586x->dev;
- tps6586x->gpio.base = gpio_base;
- tps6586x->gpio.ngpio = 4;
- tps6586x->gpio.can_sleep = 1;
-
- /* FIXME: add handling of GPIOs as dedicated inputs */
- tps6586x->gpio.direction_output = tps6586x_gpio_output;
- tps6586x->gpio.set = tps6586x_gpio_set;
- tps6586x->gpio.get = tps6586x_gpio_get;
-
- return gpiochip_add(&tps6586x->gpio);
-}
-