Remove trailing whitespaces

Change-Id: I023d56f6ee55de8caf2d46df8356bcd0a4a4b4a0
Signed-off-by: Paweł Szewczyk <p.szewczyk@samsung.com>

diff --git a/doc/usb_host_doc.h b/doc/usb_host_doc.h
index cd7ae9ddcba2ed95bf3504adda32894c1d18836a..2b6b18a188a1a30d3ea3f337c34c98c8ac2638a8 100644 (file)
--- a/doc/usb_host_doc.h
+++ b/doc/usb_host_doc.h
@@ -87,7 +87,7 @@
  * Each device has reference counter. Functions usb_host_ref_device() and usb_host_unref_device() are used to ref or unref device.
  * When ref counter reach 0 device will be freed.
  * Devices reached by calling usb_host_get_devices() have a reference count of 1,
- * and usb_host_free_devices() can optionally decrease the reference count on all devices in the list. 
+ * and usb_host_free_devices() can optionally decrease the reference count on all devices in the list.
  * usb_host_device_open() adds another reference which is later destroyed by usb_host_device_close().
  *
  * @section CAPI_USB_HOST_DEV_MOUDLE_PREPARING Preparing Communication

diff --git a/include/usb_host.h b/include/usb_host.h
index 2f9255fd79196bdcd3bd19fb2fd9679ad4183b3a..c8dc9cb252ea34df7b10875f944287bf9792d84d 100644 (file)
--- a/include/usb_host.h
+++ b/include/usb_host.h
@@ -170,7 +170,7 @@ typedef struct usb_host_endpoint_s *usb_host_endpoint_h;
  * @since_tizen 3.0
  * @remarks @a ctx should be destroyed by calling usb_host_destroy() when no longer needed.
  * @param[out] ctx Context pointer
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_OUT_OF_MEMORY Out of memory
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -188,7 +188,7 @@ int usb_host_create(usb_host_context_h *ctx);
  *          the memory used by library.
  * @since_tizen 3.0
  * @param[in] ctx Context to deinitialize
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
  * @retval #USB_HOST_ERROR_NONE Success
@@ -217,7 +217,7 @@ int usb_host_destroy(usb_host_context_h ctx);
  * @param[in] ctx Context handle
  * @param[out] devs An array of devices
  * @param[out] length Number of devices
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_OUT_OF_MEMORY Out of memory
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Operation not supported
@@ -239,7 +239,7 @@ int usb_host_get_device_list(usb_host_context_h ctx, usb_host_device_h **devs, i
  * @param[in] devs List of devices
  * @param[in] unref_devices Set to @c true to unreference devices,
  *                          set to @c false to not unref
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
  * @retval #USB_HOST_ERROR_NONE Successful
@@ -254,7 +254,7 @@ int usb_host_free_device_list(usb_host_device_h *devs, bool unref_devices);
  * @details Increment ref count of device.
  * @since_tizen 3.0
  * @param[in] dev Device to reference
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         error code otherwise
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
  * @retval #USB_HOST_ERROR_NONE Successful
@@ -268,7 +268,7 @@ int usb_host_ref_device(usb_host_device_h dev);
  * @details Decrements ref count of device. If ref count reaches zero, device will be destroyed.
  * @since_tizen 3.0
  * @param[in] dev Device to unreference
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -283,7 +283,7 @@ int usb_host_unref_device(usb_host_device_h dev);
  *          (including transfer operations and strings introspection).
  * @since_tizen 3.0
  * @param[in] dev Device to open
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_OUT_OF_MEMORY Memory allocation failure
@@ -303,7 +303,7 @@ int usb_host_device_open(usb_host_device_h dev);
  *          It destroys reference that was added by usb_host_device_open().
  * @since_tizen 3.0
  * @param[in] dev Device that should be closed
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_DEVICE_NOT_OPENED If device is not opened
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -322,7 +322,7 @@ int usb_host_device_close(usb_host_device_h dev);
  * @param[in] vendor_id idVendor of connected device
  * @param[in] product_id idProduct of connected device
  * @param[out] device_handle Opened device handle
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_OUT_OF_MEMORY Insufficient memory
@@ -340,7 +340,7 @@ int usb_host_device_open_with_vid_pid(usb_host_context_h ctx,
  * @since_tizen 3.0
  * @param[in] dev Device handle
  * @param[out] bus_number Device bus number
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -357,7 +357,7 @@ int usb_host_device_get_bus_number(usb_host_device_h dev, int *bus_number);
  * @since_tizen 3.0
  * @param[in] dev Device
  * @param[out] device_address Device address
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -375,7 +375,7 @@ int usb_host_device_get_address(usb_host_device_h dev, int *device_address);
  * @param[out] port_numbers Array to be filled with port numbers
  * @param[in] port_numbers_len Max length of array
  * @param[out] ports_count Number of all ports obtained from device
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -394,7 +394,7 @@ int usb_host_device_get_port_numbers(usb_host_device_h dev, int *port_numbers, i
  * @param[in] dev Device
  * @param[in] config_index Index of configuration to retrieve (counting from 0)
  * @param[out] config Output location for USB configuration
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_FOUND The configuration does not exist
@@ -413,7 +413,7 @@ int usb_host_device_get_config(usb_host_device_h dev, int config_index, usb_host
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] config Handle to active configuration
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NO_SUCH_DEVICE the dev has been disconnected
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -430,7 +430,7 @@ int usb_host_get_active_config(usb_host_device_h dev, usb_host_config_h *config)
  * @details Set active configuration for a device.
  * @since_tizen 3.0
  * @param[in] configuration Handle to configuration to be activated
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_FOUND Requested configuration does not exist
@@ -451,7 +451,7 @@ int usb_host_set_config(usb_host_config_h configuration);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] bcd_usb Bcd release number of USB
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -467,7 +467,7 @@ int usb_host_device_get_bcd_usb(usb_host_device_h dev, int *bcd_usb);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] device_class Device class
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -482,7 +482,7 @@ int usb_host_device_get_class(usb_host_device_h dev, int *device_class);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] subclass Device subclass
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -497,7 +497,7 @@ int usb_host_device_get_sub_class(usb_host_device_h dev, int *subclass);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] protocol Device protocol
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -512,7 +512,7 @@ int usb_host_device_get_protocol(usb_host_device_h dev, int *protocol);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] max_packet_size Maximum size of single packet, in bytes
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -527,7 +527,7 @@ int usb_host_device_get_max_packet_size_0(usb_host_device_h dev, int *max_packet
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] vendor_id Vendor ID of @a dev
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -542,7 +542,7 @@ int usb_host_device_get_id_vendor(usb_host_device_h dev, int *vendor_id);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] product_id Product ID of @a dev
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -557,7 +557,7 @@ int usb_host_device_get_id_product(usb_host_device_h dev, int *product_id);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] device_bcd Device release number
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -572,7 +572,7 @@ int usb_host_device_get_bcd_device(usb_host_device_h dev, int *device_bcd);
  * @since_tizen 3.0
  * @param[in] dev A device
  * @param[out] num_configurations Number of configurations for given device
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -588,7 +588,7 @@ int usb_host_device_get_num_configurations(usb_host_device_h dev, int *num_confi
  * @param[in] dev A device
  * @param[out] is_opened @c true if device is opened,
  *                       @c false otherwise
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -604,7 +604,7 @@ int usb_host_is_device_opened(usb_host_device_h dev, bool *is_opened);
  * @param[in] dev A handle to opened device
  * @param[in, out] length Data buffer size/how much was actually used
  * @param[out] data Buffer to store string
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_OVERFLOW There was no space in buffer
@@ -623,7 +623,7 @@ int usb_host_device_get_manufacturer_str(usb_host_device_h dev, int *length, uns
  * @param[in] dev A handle to opened device
  * @param[in, out] length Data buffer size/how much was actually used
  * @param[out] data Buffer to store string
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_OVERFLOW There was no space in buffer
@@ -642,7 +642,7 @@ int usb_host_device_get_product_str(usb_host_device_h dev, int *length, unsigned
  * @param[in] dev A handle to opened device
  * @param[in, out] length Data buffer size/how much was actually used
  * @param[out] data Buffer to store string
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_OVERFLOW There was no space in buffer
@@ -660,7 +660,7 @@ int usb_host_device_get_serial_number_str(usb_host_device_h dev, int *length, un
  * @since_tizen 3.0
  * @param[in] config A configuration
  * @param[out] num_interfaces Number of interfaces
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -676,7 +676,7 @@ int usb_host_config_get_num_interfaces(usb_host_config_h config, int *num_interf
  * @param[in] config A configuration
  * @param[out] self_powered @c true if device is self-powered in given configuration,
  *                          @c false otherwise
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         negative error code otherwise
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -692,7 +692,7 @@ int usb_host_config_is_self_powered(usb_host_config_h config, bool *self_powered
  * @param[in] config A configuration
  * @param[out] remote_wakeup @c true if device supports remote wakeup in given configuration,
  *                           @c false otherwise
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         negative error code otherwise
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval @USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -707,7 +707,7 @@ int usb_host_config_support_remote_wakeup(usb_host_config_h config, bool *remote
  * @since_tizen 3.0
  * @param[in] config A configuration
  * @param[out] max_power Maximum power, in mA
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -723,7 +723,7 @@ int usb_host_config_get_max_power(usb_host_config_h config, int *max_power);
  * @param[in] config A configuration
  * @param[in, out] length Data buffer size/how much was actually used
  * @param[out] data Buffer to store string
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -744,7 +744,7 @@ int usb_host_device_get_config_str(usb_host_config_h config, int *length, unsign
  * @param[in] config Configuration handle
  * @param[in] interface_index Index of interface to retrieve (counting from 0)
  * @param[out] interface Interface handle
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_FOUND Configuration does not exist
@@ -761,7 +761,7 @@ int usb_host_config_get_interface(usb_host_config_h config, int interface_index,
  * @details Frees configuration obtained from usb_host_device_get_config().
  * @since_tizen 3.0
  * @param[in] config Configuration to free
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -781,7 +781,7 @@ int usb_host_config_destroy(usb_host_config_h config);
  * @param[in] interface The bInterfaceNumber of interface to claim
  * @param[in] force Set to @c true to auto detach kernel driver,
  *                  set to @c false to not detach it
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_FOUND Requested interface does not exist
@@ -800,7 +800,7 @@ int usb_host_claim_interface(usb_host_interface_h interface, bool force);
  *          This is a blocking function.
  * @since_tizen 3.0
  * @param[in] interface The bInterfaceNumber of interface to release
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_FOUND Interface was not claimed
@@ -819,7 +819,7 @@ int usb_host_release_interface(usb_host_interface_h interface);
  * @since_tizen 3.0
  * @param[in] interface An interface
  * @param[out] number Number of given interface
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -834,7 +834,7 @@ int usb_host_interface_get_number(usb_host_interface_h interface, int *number);
  * @since_tizen 3.0
  * @param[in] interface An interface
  * @param[out] num_endpoints Number of endpoints in @a interface
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -853,7 +853,7 @@ int usb_host_interface_get_num_endpoints(usb_host_interface_h interface, int *nu
  * @param[in] interface Interface handle
  * @param[in] ep_index Index of endpoint to retrieve (counting from 0)
  * @param[out] ep Endpoint handle
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -868,7 +868,7 @@ int usb_host_interface_get_endpoint(usb_host_interface_h interface, int ep_index
  * @since_tizen 3.0
  * @param[in] interface Interface handle
  * @param[in] altsetting Index of new alternative setting for given interface
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -883,7 +883,7 @@ int usb_host_interface_set_altsetting(usb_host_interface_h interface, int altset
  * @param[in] interface An interface
  * @param[in, out] length Data buffer size/how much was actually used
  * @param[out] data Buffer to store string
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -901,7 +901,7 @@ int usb_host_interface_get_str(usb_host_interface_h interface, int *length,
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] number Number of given endpoint
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -916,7 +916,7 @@ int usb_host_endpoint_get_number(usb_host_endpoint_h ep, int *number);
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] direction Direction of endpoint (a value from enum #usb_host_endpoint_direction_e)
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -931,7 +931,7 @@ int usb_host_endpoint_get_direction(usb_host_endpoint_h ep, usb_host_endpoint_di
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] transfer_type Transfer type (a value from enum #usb_host_transfer_type_e)
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -946,7 +946,7 @@ int usb_host_endpoint_get_transfer_type(usb_host_endpoint_h ep, usb_host_transfe
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] synch_type Synch type (a value from enum #usb_host_iso_sync_type_e)
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -961,7 +961,7 @@ int usb_host_endpoint_get_synch_type(usb_host_endpoint_h ep, usb_host_iso_sync_t
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] usage_type Usage type (a value from enum #usb_host_usage_type_e)
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
@@ -976,7 +976,7 @@ int usb_host_endpoint_get_usage_type(usb_host_endpoint_h ep, usb_host_usage_type
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] max_packet_size Max packet size, in bytes
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -990,7 +990,7 @@ int usb_host_endpoint_get_max_packet_size(usb_host_endpoint_h ep, int *max_packe
  * @since_tizen 3.0
  * @param[in] ep An endpoint
  * @param[out] interval Interval for polling, in frame counts (refer to USB protocol specification)
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
@@ -1020,7 +1020,7 @@ int usb_host_endpoint_get_interval(usb_host_endpoint_h ep, int *interval);
  *                    before giving up due to no response being received. For an unlimited
  * @param[out] transferred Number of transferred bytes
  *                         timeout, 0 value should be used
- * @return @c 0 on success, 
+ * @return @c 0 on success,
  *         otherwise a negative error value
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_TIMED_OUT Transfer timed out
@@ -1051,7 +1051,7 @@ int usb_host_control_transfer(usb_host_device_h dev,
  * @param[in] timeout Timeout (in milliseconds) that this function should wait
  *                    before giving up due to no response being received (for an unlimited
  *                    timeout 0 value should be used)
- * @return @c 0 on success (and populates @a transferred), 
+ * @return @c 0 on success (and populates @a transferred),
  *         negative error code on error
  * @retval #USB_HOST_ERROR_NONE Successful
  * @retval #USB_HOST_ERROR_TIMED_OUT Transfer timed out