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: Mark Brown broonie@kernel.org Cc: alsa-devel@alsa-project.org Signed-off-by: Linus Walleij linus.walleij@linaro.org --- Liam/Mark: please ACK this so I can merge it into the GPIO tree. --- sound/soc/soc-ac97.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/sound/soc/soc-ac97.c b/sound/soc/soc-ac97.c index a2012652f212..eaec7177eab2 100644 --- a/sound/soc/soc-ac97.c +++ b/sound/soc/soc-ac97.c @@ -59,8 +59,7 @@ static void soc_ac97_device_release(struct device *dev) #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 int snd_soc_ac97_gpio_get(struct gpio_chip *chip, unsigned offset) 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 @@ static int snd_soc_ac97_init_gpio(struct snd_ac97 *ac97, 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;