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Commit 385bd937 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
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ASoC: Fix return value of wm8903_gpio_direction_in() and wm8903_gpio_direction_out() 



We can't just pass back the return value of snd_soc_update_bits() as it
will be 1 if a bit changed rather than zero.

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 3c3f51f6

sound/soc/codecs/wm8903.c

+14 −4
Original line number Diff line number Diff line
@@ -1777,13 +1777,18 @@ static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset) 
	struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);

	struct snd_soc_codec *codec = wm8903->codec;

	unsigned int mask, val;

	int ret;



	mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK;

	val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |

		WM8903_GP1_DIR;



	return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,

	ret = snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,

				  mask, val);

	if (ret < 0)

		return ret;



	return 0;

}



static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
@@ -1803,13 +1808,18 @@ static int wm8903_gpio_direction_out(struct gpio_chip *chip, 
	struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);

	struct snd_soc_codec *codec = wm8903->codec;

	unsigned int mask, val;

	int ret;



	mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK;

	val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |

		(value << WM8903_GP2_LVL_SHIFT);



	return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,

	ret = snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,

				  mask, val);

	if (ret < 0)

		return ret;



	return 0;

}



static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)