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gpiolib: wm8994: Pay attention to the value set when enabling as output

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Not paying attention to the value being set is a bad thing because it
means that we'll not set the hardware up to reflect what was requested.
Not setting the hardware up to reflect what was requested means that the
caller won't get the results they wanted.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Mark Brown 2012-06-09 11:07:56 +08:00 committed by Linus Walleij
parent afcc0f8c17
commit 8cd578b6e2
1 changed files with 4 additions and 1 deletions
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5
drivers/gpio/gpio-wm8994.c
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@ -89,8 +89,11 @@ static int wm8994_gpio_direction_out(struct gpio_chip *chip,
struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
struct wm8994 *wm8994 = wm8994_gpio->wm8994;
if (value)
value = WM8994_GPN_LVL;
return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset,
WM8994_GPN_DIR, 0);
WM8994_GPN_DIR | WM8994_GPN_LVL, value);
}
static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)