path mpu code

drivers/misc/Kconfig

@@ -300,10 +300,6 @@ config MU509
 	bool "MU509 modem control driver"
 	default n
 	
-config RK29_NEWTON
-	bool "RK29_NEWTON misc driver"
-	default n
-
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"

drivers/misc/Makefile

@@ -35,5 +35,3 @@ obj-$(CONFIG_STE)		+= ste.o
 obj-$(CONFIG_RK29_SUPPORT_MODEM)        += rk29_modem/
 obj-$(CONFIG_GPS_GNS7560)			+=	gps/
 obj-y += mpu3050/
-obj-$(CONFIG_RK29_NEWTON)			+=	newton.o
-

drivers/misc/mpu3050/accel/mma845x.c

@@ -35,11 +35,11 @@
 #include <linux/module.h>
 #endif
 
-#include <stdlib.h>
+//#include <stdlib.h>
 #include "mpu.h"
 #include "mlsl.h"
 #include "mlos.h"
-#include <string.h>
+//#include <string.h>
 
 #include <log.h>
 #undef MPL_LOG_TAG

drivers/misc/mpu3050/mpuirq.c

@@ -29,6 +29,8 @@
 #include <linux/i2c-dev.h>
 #include <linux/workqueue.h>
 #include <linux/poll.h>
+#include <linux/gpio.h>
+#include <mach/gpio.h>
 
 #include <linux/errno.h>
 #include <linux/fs.h>
@@ -72,6 +74,9 @@ static int mpuirq_open(struct inode *inode, struct file *file)
 		"%s current->pid %d\n", __func__, current->pid);
 	mpuirq_dev_data.pid = current->pid;
 	file->private_data = &mpuirq_dev_data;
+	/* we could do some checking on the flags supplied by "open" */
+	/* i.e. O_NONBLOCK */
+	/* -> set some flag to disable interruptible_sleep_on in mpuirq_read */
 	return 0;
 }
 
@@ -274,10 +279,24 @@ int mpuirq_init(struct i2c_client *mpu_client)
 			flags = IRQF_TRIGGER_FALLING;
 		else
 			flags = IRQF_TRIGGER_RISING;
-
-		res =
-		    request_irq(mpuirq_dev_data.irq, mpuirq_handler, flags,
-				interface, &mpuirq_dev_data.irq);
+		/* mpu irq register xxm*/
+		res = gpio_request(mpuirq_dev_data.irq, "mpu3050_int");
+		if(res)
+		{
+			printk("failed to request mpu3050_int GPIO %d\n",			
+						gpio_to_irq(mpuirq_dev_data.irq));
+			return res;
+		}
+		res = gpio_direction_input(mpuirq_dev_data.irq);
+		if(res)
+		{
+			printk("failed to set mpu3050_int GPIO input\n");
+			return res;
+		}
+		printk("gpio_to_irq(mpuirq_dev_data.irq) == %d \r\n",	
+				gpio_to_irq(mpuirq_dev_data.irq));
+		res =request_irq(gpio_to_irq(mpuirq_dev_data.irq), mpuirq_handler, flags,
+							interface,&mpuirq_dev_data.irq);
 		if (res) {
 			dev_err(&mpu_client->adapter->dev,
 				"myirqtest: cannot register IRQ %d\n",

drivers/misc/mpu3050/slaveirq.c

@@ -28,6 +28,8 @@
 #include <linux/i2c.h>
 #include <linux/i2c-dev.h>
 #include <linux/poll.h>
+#include <linux/gpio.h>
+#include <mach/gpio.h>
 
 #include <linux/errno.h>
 #include <linux/fs.h>
@@ -225,10 +227,25 @@ int slaveirq_init(struct i2c_adapter *slave_adapter,
 	data->data_ready = 0;
 	data->timeout = 0;
 
+	/* mpu irq register xxm*/
+	res = gpio_request(data->irq, name);
+	if(res)
+	{
+		printk("failed to request %s GPIO %d\n",			
+					name,data->irq);
+		return res;
+	}
+	res = gpio_direction_input(data->irq);
+	if(res)
+	{
+		printk("failed to set %s GPIO input\n",name);
+		return res;
+	}
+	printk("%s registing irq  == %d \r\n",name,gpio_to_irq(data->irq));
+	//gpio_pull_updown(data->irq, GPIOPullUp);
+	//gpio_set_value(data->irq,GPIO_HIGH);
 	init_waitqueue_head(&data->slaveirq_wait);
-
-	res = request_irq(data->irq, slaveirq_handler, IRQF_TRIGGER_RISING,
-			  data->dev.name, data);
+	res = request_irq(gpio_to_irq(data->irq), slaveirq_handler, IRQF_TRIGGER_FALLING,data->dev.name, data);
 
 	if (res) {
 		dev_err(&slave_adapter->dev,