gpiolib: Implement gpio_to_irq() for wm831x
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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@ -22,6 +22,7 @@
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#include <linux/mfd/wm831x/core.h>
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#include <linux/mfd/wm831x/pdata.h>
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#include <linux/mfd/wm831x/gpio.h>
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#include <linux/mfd/wm831x/irq.h>
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struct wm831x_gpio {
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struct wm831x *wm831x;
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@ -78,6 +79,17 @@ static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
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value << offset);
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}
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static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
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{
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struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
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struct wm831x *wm831x = wm831x_gpio->wm831x;
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if (!wm831x->irq_base)
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return -EINVAL;
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return wm831x->irq_base + WM831X_IRQ_GPIO_1 + offset;
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}
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#ifdef CONFIG_DEBUG_FS
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static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
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{
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@ -173,6 +185,7 @@ static struct gpio_chip template_chip = {
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.get = wm831x_gpio_get,
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.direction_output = wm831x_gpio_direction_out,
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.set = wm831x_gpio_set,
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.to_irq = wm831x_gpio_to_irq,
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.dbg_show = wm831x_gpio_dbg_show,
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.can_sleep = 1,
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};
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