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ASoC: wm8962: use gpiochip data pointer

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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: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-08 23:41:55 +01:00
parent 8f4160661f
commit f42b6f5800
1 changed files with 5 additions and 10 deletions
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15
sound/soc/codecs/wm8962.c
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@ -18,7 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/gcd.h>
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/pm_runtime.h>
@ -3307,14 +3307,9 @@ static void wm8962_set_gpio_mode(struct wm8962_priv *wm8962, int gpio)
}
#ifdef CONFIG_GPIOLIB
static inline struct wm8962_priv *gpio_to_wm8962(struct gpio_chip *chip)
{
return container_of(chip, struct wm8962_priv, gpio_chip);
}
static int wm8962_gpio_request(struct gpio_chip *chip, unsigned offset)
{
struct wm8962_priv *wm8962 = gpio_to_wm8962(chip);
struct wm8962_priv *wm8962 = gpiochip_get_data(chip);
/* The WM8962 GPIOs aren't linearly numbered. For simplicity
* we export linear numbers and error out if the unsupported
@ -3337,7 +3332,7 @@ static int wm8962_gpio_request(struct gpio_chip *chip, unsigned offset)
static void wm8962_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct wm8962_priv *wm8962 = gpio_to_wm8962(chip);
struct wm8962_priv *wm8962 = gpiochip_get_data(chip);
struct snd_soc_codec *codec = wm8962->codec;
snd_soc_update_bits(codec, WM8962_GPIO_BASE + offset,
@ -3347,7 +3342,7 @@ static void wm8962_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int wm8962_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
struct wm8962_priv *wm8962 = gpio_to_wm8962(chip);
struct wm8962_priv *wm8962 = gpiochip_get_data(chip);
struct snd_soc_codec *codec = wm8962->codec;
int ret, val;
@ -3386,7 +3381,7 @@ static void wm8962_init_gpio(struct snd_soc_codec *codec)
else
wm8962->gpio_chip.base = -1;
ret = gpiochip_add(&wm8962->gpio_chip);
ret = gpiochip_add_data(&wm8962->gpio_chip, wm8962);
if (ret != 0)
dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
}