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ASoC: wm8903: 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 23:38:20 +01:00
parent db1d127053
commit 8f4160661f
1 changed files with 6 additions and 11 deletions
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17
sound/soc/codecs/wm8903.c
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@ -20,7 +20,7 @@
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
@ -1766,11 +1766,6 @@ static int wm8903_resume(struct snd_soc_codec *codec)
}
#ifdef CONFIG_GPIOLIB
static inline struct wm8903_priv *gpio_to_wm8903(struct gpio_chip *chip)
{
return container_of(chip, struct wm8903_priv, gpio_chip);
}
static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
{
if (offset >= WM8903_NUM_GPIO)
@ -1781,7 +1776,7 @@ static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
unsigned int mask, val;
int ret;
@ -1799,7 +1794,7 @@ static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
unsigned int reg;
regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, &reg);
@ -1810,7 +1805,7 @@ static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
static int wm8903_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
unsigned int mask, val;
int ret;
@ -1828,7 +1823,7 @@ static int wm8903_gpio_direction_out(struct gpio_chip *chip,
static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset,
WM8903_GP1_LVL_MASK,
@ -1860,7 +1855,7 @@ static void wm8903_init_gpio(struct wm8903_priv *wm8903)
else
wm8903->gpio_chip.base = -1;
ret = gpiochip_add(&wm8903->gpio_chip);
ret = gpiochip_add_data(&wm8903->gpio_chip, wm8903);
if (ret != 0)
dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret);
}