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gpiolib: Implement gpio_to_irq for WM8994 GPIO controller

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2010-04-02 14:51:59 +01:00
parent c9fbf7e070
commit ddf438cf2a
1 changed files with 12 additions and 0 deletions
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12
drivers/gpio/wm8994-gpio.c
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@ -80,6 +80,18 @@ static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL, value);
}
static int wm8994_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
struct wm8994 *wm8994 = wm8994_gpio->wm8994;
if (!wm8994->irq_base)
return -EINVAL;
return wm8994->irq_base + offset;
}
#ifdef CONFIG_DEBUG_FS
static void wm8994_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{