fixed the coding style in device.c

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2386 bbd45198-f89e-11dd-88c7-29a3b14d5316

src/device.c

@@ -28,7 +28,9 @@
  *
  * @return the error code, RT_EOK on initialization successfully.
  */
-rt_err_t rt_device_register(rt_device_t dev, const char *name, rt_uint16_t flags)
+rt_err_t rt_device_register(rt_device_t dev,
+                            const char *name,
+                            rt_uint16_t flags)
 {
     if (dev == RT_NULL)
         return -RT_ERROR;
@@ -288,7 +290,10 @@ RTM_EXPORT(rt_device_close);
  *
  * @note since 0.4.0, the unit of size/pos is a block for block device.
  */
-rt_size_t rt_device_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
+rt_size_t rt_device_read(rt_device_t dev,
+                         rt_off_t    pos,
+                         void       *buffer,
+                         rt_size_t   size)
 {
     rt_size_t (*read)(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size);
 
@@ -320,7 +325,10 @@ RTM_EXPORT(rt_device_read);
  *
  * @note since 0.4.0, the unit of size/pos is a block for block device.
  */
-rt_size_t rt_device_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
+rt_size_t rt_device_write(rt_device_t dev,
+                          rt_off_t    pos,
+                          const void *buffer,
+                          rt_size_t   size)
 {
     rt_size_t (*write)(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size);
 
@@ -375,7 +383,9 @@ RTM_EXPORT(rt_device_control);
  *
  * @return RT_EOK
  */
-rt_err_t rt_device_set_rx_indicate(rt_device_t dev, rt_err_t (*rx_ind)(rt_device_t dev, rt_size_t size))
+rt_err_t
+rt_device_set_rx_indicate(rt_device_t dev,
+                          rt_err_t (*rx_ind)(rt_device_t dev, rt_size_t size))
 {
     RT_ASSERT(dev != RT_NULL);
 
@@ -386,15 +396,17 @@ rt_err_t rt_device_set_rx_indicate(rt_device_t dev, rt_err_t (*rx_ind)(rt_device
 RTM_EXPORT(rt_device_set_rx_indicate);
 
 /**
- * This function will set the indication callback function when device has written
+ * This function will set the indication callback function when device has 
- * data to physical hardware.
+ * written data to physical hardware.
  *
  * @param dev the pointer of device driver structure
  * @param tx_done the indication callback function
  *
  * @return RT_EOK
  */
-rt_err_t rt_device_set_tx_complete(rt_device_t dev, rt_err_t (*tx_done)(rt_device_t dev, void *buffer))
+rt_err_t
+rt_device_set_tx_complete(rt_device_t dev,
+                          rt_err_t (*tx_done)(rt_device_t dev, void *buffer))
 {
     RT_ASSERT(dev != RT_NULL);