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authorLinus Walleij <linus.walleij@linaro.org>2015-12-09 01:44:39 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-04-26 16:36:57 +0300
commitc2aea142af6179d757424a21110da3fc90127e02 (patch)
tree6a80e91952dc6840595a0c75acd2a255c76a379f /sound/soc
parentf42b6f5800b6d06442c193d4beb423b0186e7b6a (diff)
downloadlinux-c2aea142af6179d757424a21110da3fc90127e02.tar.xz
ASoC: wm8996: 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: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/wm8996.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index f99b34f7647b..a73044251218 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);
}