gpiolib: Implement gpio_to_irq() for wm831x (dc0fb25c) · Commits · 戴 / test

drivers/gpio/wm831x-gpio.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -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,
		};