diff options
Diffstat (limited to 'drivers/gpio/wm831x-gpio.c')
| -rw-r--r-- | drivers/gpio/wm831x-gpio.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c index f5e4934f1da1..b4468b616890 100644 --- a/drivers/gpio/wm831x-gpio.c +++ b/drivers/gpio/wm831x-gpio.c @@ -22,6 +22,7 @@ #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/pdata.h> #include <linux/mfd/wm831x/gpio.h> +#include <linux/mfd/wm831x/irq.h> struct wm831x_gpio { struct wm831x *wm831x; @@ -78,6 +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) { @@ -173,6 +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, }; |