change pin number of wm831x to irq

diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c
index 20896e0ca4a1f753d93d553750a7da4193e9ba6b..1fe4de7d86e6d41ae4eeb5a3c2309ee8be3e4b6b 100755 (executable)
--- a/drivers/mfd/wm831x-spi.c
+++ b/drivers/mfd/wm831x-spi.c
@@ -15,6 +15,8 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/spi/spi.h>
+#include <linux/gpio.h>
+
 
 #include <linux/mfd/wm831x/core.h>
 
@@ -67,7 +69,8 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi)
 {
        struct wm831x *wm831x;
        enum wm831x_parent type;
-
+       int ret,gpio,irq;
+       
        /* Currently SPI support for ID tables is unmerged, we're faking it */
        if (strcmp(spi->modalias, "wm8310") == 0)
                type = WM8310;
@@ -93,13 +96,26 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi)
        spi->bits_per_word = 16;
        spi->mode = SPI_MODE_0;
 
+       gpio = spi->irq;
+       ret = gpio_request(gpio, "wm831x");
+       if (ret) {
+               printk( "failed to request rk gpio irq for wm831x \n");
+               return ret;
+       }
+       gpio_pull_updown(gpio, GPIOPullUp);
+       if (ret) {
+           printk("failed to pull up gpio irq for wm831x \n");
+               return ret;
+       }       
+       irq = gpio_to_irq(gpio);
+
        dev_set_drvdata(&spi->dev, wm831x);
        wm831x->dev = &spi->dev;
        wm831x->control_data = spi;
        wm831x->read_dev = wm831x_spi_read_device;
        wm831x->write_dev = wm831x_spi_write_device;
 
-       return wm831x_device_init(wm831x, type, spi->irq);
+       return wm831x_device_init(wm831x, type, irq);
 }
 
 static int __devexit wm831x_spi_remove(struct spi_device *spi)