ASoC: ac97: 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: Liam Girdwood <lgirdwood@gmail.com>
Cc: alsa-devel@alsa-project.org
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/sound/soc/soc-ac97.c b/sound/soc/soc-ac97.c
index 7e0acd8..bc4a55b 100644
--- a/sound/soc/soc-ac97.c
+++ b/sound/soc/soc-ac97.c
@@ -59,8 +59,7 @@
#ifdef CONFIG_GPIOLIB
static inline struct snd_soc_codec *gpio_to_codec(struct gpio_chip *chip)
{
- struct snd_ac97_gpio_priv *gpio_priv =
- container_of(chip, struct snd_ac97_gpio_priv, gpio_chip);
+ struct snd_ac97_gpio_priv *gpio_priv = gpiochip_get_data(chip);
return gpio_priv->codec;
}
@@ -98,8 +97,7 @@
static void snd_soc_ac97_gpio_set(struct gpio_chip *chip, unsigned offset,
int value)
{
- struct snd_ac97_gpio_priv *gpio_priv =
- container_of(chip, struct snd_ac97_gpio_priv, gpio_chip);
+ struct snd_ac97_gpio_priv *gpio_priv = gpiochip_get_data(chip);
struct snd_soc_codec *codec = gpio_to_codec(chip);
gpio_priv->gpios_set &= ~(1 << offset);
@@ -145,7 +143,7 @@
gpio_priv->gpio_chip.parent = codec->dev;
gpio_priv->gpio_chip.base = -1;
- ret = gpiochip_add(&gpio_priv->gpio_chip);
+ ret = gpiochip_add_data(&gpio_priv->gpio_chip, gpio_priv);
if (ret != 0)
dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
return ret;