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gpiolib: Implement gpio_to_irq() for wm831x

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown
2009-11-16 17:21:56 +00:00
committed by Samuel Ortiz
parent ecba96e696
commit dc0fb25c14
1 changed files with 13 additions and 0 deletions
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13
drivers/gpio/wm831x-gpio.c
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@@ -22,6 +22,7 @@
#include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h> #include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/gpio.h> #include <linux/mfd/wm831x/gpio.h>
#include <linux/mfd/wm831x/irq.h>
struct wm831x_gpio { struct wm831x_gpio {
struct wm831x *wm831x; struct wm831x *wm831x;
@@ -78,6 +79,17 @@ static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
value << offset); 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 #ifdef CONFIG_DEBUG_FS
static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) 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, .get = wm831x_gpio_get,
.direction_output = wm831x_gpio_direction_out, .direction_output = wm831x_gpio_direction_out,
.set = wm831x_gpio_set, .set = wm831x_gpio_set,
.to_irq = wm831x_gpio_to_irq,
.dbg_show = wm831x_gpio_dbg_show, .dbg_show = wm831x_gpio_dbg_show,
.can_sleep = 1, .can_sleep = 1,
}; };