diff options
Diffstat (limited to 'drivers/gpio/wm831x-gpio.c')
| -rw-r--r-- | drivers/gpio/wm831x-gpio.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c index f9c09a54ec7..b4468b61689 100644 --- a/drivers/gpio/wm831x-gpio.c +++ b/drivers/gpio/wm831x-gpio.c @@ -22,8 +22,7 @@ #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/pdata.h> #include <linux/mfd/wm831x/gpio.h> - -#define WM831X_GPIO_MAX 16 +#include <linux/mfd/wm831x/irq.h> struct wm831x_gpio { struct wm831x *wm831x; @@ -80,6 +79,17 @@ static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) value << offset); } +static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x *wm831x = wm831x_gpio->wm831x; + + if (!wm831x->irq_base) + return -EINVAL; + + return wm831x->irq_base + WM831X_IRQ_GPIO_1 + offset; +} + #ifdef CONFIG_DEBUG_FS static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { @@ -175,6 +185,7 @@ static struct gpio_chip template_chip = { .get = wm831x_gpio_get, .direction_output = wm831x_gpio_direction_out, .set = wm831x_gpio_set, + .to_irq = wm831x_gpio_to_irq, .dbg_show = wm831x_gpio_dbg_show, .can_sleep = 1, }; @@ -192,7 +203,7 @@ static int __devinit wm831x_gpio_probe(struct platform_device *pdev) wm831x_gpio->wm831x = wm831x; wm831x_gpio->gpio_chip = template_chip; - wm831x_gpio->gpio_chip.ngpio = WM831X_GPIO_MAX; + wm831x_gpio->gpio_chip.ngpio = wm831x->num_gpio; wm831x_gpio->gpio_chip.dev = &pdev->dev; if (pdata && pdata->gpio_base) wm831x_gpio->gpio_chip.base = pdata->gpio_base; |