leds: pca9532: use gpiochip data pointer
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: linux-leds@vger.kernel.org
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c
index a975b32..1b228ad 100644
--- a/drivers/leds/leds-pca9532.c
+++ b/drivers/leds/leds-pca9532.c
@@ -245,7 +245,7 @@
#ifdef CONFIG_LEDS_PCA9532_GPIO
static int pca9532_gpio_request_pin(struct gpio_chip *gc, unsigned offset)
{
- struct pca9532_data *data = container_of(gc, struct pca9532_data, gpio);
+ struct pca9532_data *data = gpiochip_get_data(gc);
struct pca9532_led *led = &data->leds[offset];
if (led->type == PCA9532_TYPE_GPIO)
@@ -256,7 +256,7 @@
static void pca9532_gpio_set_value(struct gpio_chip *gc, unsigned offset, int val)
{
- struct pca9532_data *data = container_of(gc, struct pca9532_data, gpio);
+ struct pca9532_data *data = gpiochip_get_data(gc);
struct pca9532_led *led = &data->leds[offset];
if (val)
@@ -269,7 +269,7 @@
static int pca9532_gpio_get_value(struct gpio_chip *gc, unsigned offset)
{
- struct pca9532_data *data = container_of(gc, struct pca9532_data, gpio);
+ struct pca9532_data *data = gpiochip_get_data(gc);
unsigned char reg;
reg = i2c_smbus_read_byte_data(data->client, PCA9532_REG_INPUT(offset));
@@ -416,7 +416,7 @@
data->gpio.parent = &client->dev;
data->gpio.owner = THIS_MODULE;
- err = gpiochip_add(&data->gpio);
+ err = gpiochip_add_data(&data->gpio, data);
if (err) {
/* Use data->gpio.dev as a flag for freeing gpiochip */
data->gpio.parent = NULL;
