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 <lgirdw...@gmail.com>
Cc: Mark Brown <broo...@kernel.org>
Cc: alsa-de...@alsa-project.org
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
Liam/Mark: please ACK this so I can merge it into the GPIO tree.
---
 sound/soc/codecs/wm8996.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 8d7d6c01a2f7..f9656df9dccc 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -17,6 +17,7 @@
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/gcd.h>
+#include <linux/gpio/driver.h>
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/regmap.h>
@@ -2139,14 +2140,9 @@ static int wm8996_set_fll(struct snd_soc_codec *codec, 
int fll_id, int source,
 }
 
 #ifdef CONFIG_GPIOLIB
-static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
-{
-       return container_of(chip, struct wm8996_priv, gpio_chip);
-}
-
 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
-       struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
+       struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
 
        regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
                           WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
@@ -2155,7 +2151,7 @@ static void wm8996_gpio_set(struct gpio_chip *chip, 
unsigned offset, int value)
 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
                                     unsigned offset, int value)
 {
-       struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
+       struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
        int val;
 
        val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
@@ -2167,7 +2163,7 @@ static int wm8996_gpio_direction_out(struct gpio_chip 
*chip,
 
 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
-       struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
+       struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
        unsigned int reg;
        int ret;
 
@@ -2180,7 +2176,7 @@ static int wm8996_gpio_get(struct gpio_chip *chip, 
unsigned offset)
 
 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
 {
-       struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
+       struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
 
        return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
                                  WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
@@ -2211,7 +2207,7 @@ static void wm8996_init_gpio(struct wm8996_priv *wm8996)
        else
                wm8996->gpio_chip.base = -1;
 
-       ret = gpiochip_add(&wm8996->gpio_chip);
+       ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
        if (ret != 0)
                dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
 }
-- 
2.4.3

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