diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-04-02 15:51:59 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-04-05 20:18:12 +0200 |
| commit | ddf438cf2a6de9aa47783a45907e1188b9437ff7 (patch) | |
| tree | 84554917190cdde43ce9be6a8d73ba645ed7512f | |
| parent | mfd: Add WM8994 interrupt controller support (diff) | |
| download | linux-ddf438cf2a6de9aa47783a45907e1188b9437ff7.tar.xz linux-ddf438cf2a6de9aa47783a45907e1188b9437ff7.zip | |
gpiolib: Implement gpio_to_irq for WM8994 GPIO controller
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | drivers/gpio/wm8994-gpio.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpio/wm8994-gpio.c b/drivers/gpio/wm8994-gpio.c index de28b4a470ea..3ee35badcf1d 100644 --- a/drivers/gpio/wm8994-gpio.c +++ b/drivers/gpio/wm8994-gpio.c @@ -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) { |