[media] rc: ati_remote.c: code style fixing

changes:
	1. wrap some lines that are longer than 80 characters.
	2. remove local function prototype declarations which do not
	   need.
	3. replace TAB character with a space character in function
	   comments.

Signed-off-by: Du, Changbin <changbin.du@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 80 insertions, 53 deletions

diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 7be377fc1be8..8fa72e2dacb1 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -147,7 +147,8 @@ static bool mouse = true;
 module_param(mouse, bool, 0444);
 MODULE_PARM_DESC(mouse, "Enable mouse device, default = yes");
 
-#define dbginfo(dev, format, arg...) do { if (debug) dev_info(dev , format , ## arg); } while (0)
+#define dbginfo(dev, format, arg...) \
+        do { if (debug) dev_info(dev , format , ## arg); } while (0)
 #undef err
 #define err(format, arg...) printk(KERN_ERR format , ## arg)
 
@@ -191,17 +192,41 @@ static const char *get_medion_keymap(struct usb_interface *interface)
         return RC_MAP_MEDION_X10;
 }
 
-static const struct ati_receiver_type type_ati          = { .default_keymap = RC_MAP_ATI_X10 };
-static const struct ati_receiver_type type_medion       = { .get_default_keymap = get_medion_keymap };
-static const struct ati_receiver_type type_firefly      = { .default_keymap = RC_MAP_SNAPSTREAM_FIREFLY };
+static const struct ati_receiver_type type_ati          = {
+        .default_keymap = RC_MAP_ATI_X10
+};
+static const struct ati_receiver_type type_medion       = {
+        .get_default_keymap = get_medion_keymap
+};
+static const struct ati_receiver_type type_firefly      = {
+        .default_keymap = RC_MAP_SNAPSTREAM_FIREFLY
+};
 
 static struct usb_device_id ati_remote_table[] = {
-        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA_REMOTE_PRODUCT_ID),     .driver_info = (unsigned long)&type_ati },
-        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA2_REMOTE_PRODUCT_ID),    .driver_info = (unsigned long)&type_ati },
-        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, ATI_REMOTE_PRODUCT_ID),      .driver_info = (unsigned long)&type_ati },
-        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, NVIDIA_REMOTE_PRODUCT_ID),   .driver_info = (unsigned long)&type_ati },
-        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, MEDION_REMOTE_PRODUCT_ID),   .driver_info = (unsigned long)&type_medion },
-        { USB_DEVICE(ATI_REMOTE_VENDOR_ID, FIREFLY_REMOTE_PRODUCT_ID),  .driver_info = (unsigned long)&type_firefly },
+        {
+                USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA_REMOTE_PRODUCT_ID),
+                .driver_info = (unsigned long)&type_ati
+        },
+        {
+                USB_DEVICE(ATI_REMOTE_VENDOR_ID, LOLA2_REMOTE_PRODUCT_ID),
+                .driver_info = (unsigned long)&type_ati
+        },
+        {
+                USB_DEVICE(ATI_REMOTE_VENDOR_ID, ATI_REMOTE_PRODUCT_ID),
+                .driver_info = (unsigned long)&type_ati
+        },
+        {
+                USB_DEVICE(ATI_REMOTE_VENDOR_ID, NVIDIA_REMOTE_PRODUCT_ID),
+                .driver_info = (unsigned long)&type_ati
+        },
+        {
+                USB_DEVICE(ATI_REMOTE_VENDOR_ID, MEDION_REMOTE_PRODUCT_ID),
+                .driver_info = (unsigned long)&type_medion
+        },
+        {
+                USB_DEVICE(ATI_REMOTE_VENDOR_ID, FIREFLY_REMOTE_PRODUCT_ID),
+                .driver_info = (unsigned long)&type_firefly
+        },
         {}      /* Terminating entry */
 };
 
@@ -296,25 +321,8 @@ static const struct {
         {KIND_END, 0x00, EV_MAX + 1, 0, 0}
 };
 
-/* Local function prototypes */
-static int ati_remote_sendpacket        (struct ati_remote *ati_remote, u16 cmd, unsigned char *data);
-static void ati_remote_irq_out          (struct urb *urb);
-static void ati_remote_irq_in           (struct urb *urb);
-static void ati_remote_input_report     (struct urb *urb);
-static int ati_remote_initialize        (struct ati_remote *ati_remote);
-static int ati_remote_probe             (struct usb_interface *interface, const struct usb_device_id *id);
-static void ati_remote_disconnect       (struct usb_interface *interface);
-
-/* usb specific object to register with the usb subsystem */
-static struct usb_driver ati_remote_driver = {
-        .name         = "ati_remote",
-        .probe        = ati_remote_probe,
-        .disconnect   = ati_remote_disconnect,
-        .id_table     = ati_remote_table,
-};
-
 /*
- *      ati_remote_dump_input
+ * ati_remote_dump_input
  */
 static void ati_remote_dump(struct device *dev, unsigned char *data,
                             unsigned int len)
@@ -326,12 +334,14 @@ static void ati_remote_dump(struct device *dev, unsigned char *data,
                 dev_warn(dev, "Weird key %02x %02x %02x %02x\n",
                      data[0], data[1], data[2], data[3]);
         else
-                dev_warn(dev, "Weird data, len=%d %02x %02x %02x %02x %02x %02x ...\n",
-                     len, data[0], data[1], data[2], data[3], data[4], data[5]);
+                dev_warn(dev,
+                        "Weird data, len=%d %02x %02x %02x %02x %02x %02x ...\n",
+                        len, data[0], data[1], data[2], data[3], data[4],
+                        data[5]);
 }
 
 /*
- *      ati_remote_open
+ * ati_remote_open
  */
 static int ati_remote_open(struct ati_remote *ati_remote)
 {
@@ -355,7 +365,7 @@ out:	mutex_unlock(&ati_remote->open_mutex);
 }
 
 /*
- *      ati_remote_close
+ * ati_remote_close
  */
 static void ati_remote_close(struct ati_remote *ati_remote)
 {
@@ -390,7 +400,7 @@ static void ati_remote_rc_close(struct rc_dev *rdev)
 }
 
 /*
- *              ati_remote_irq_out
+ * ati_remote_irq_out
  */
 static void ati_remote_irq_out(struct urb *urb)
 {
@@ -408,11 +418,12 @@ static void ati_remote_irq_out(struct urb *urb)
 }
 
 /*
- *      ati_remote_sendpacket
+ * ati_remote_sendpacket
  *
- *      Used to send device initialization strings
+ * Used to send device initialization strings
  */
-static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd, unsigned char *data)
+static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd,
+        unsigned char *data)
 {
         int retval = 0;
 
@@ -441,7 +452,7 @@ static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd, unsigne
 }
 
 /*
- *      ati_remote_compute_accel
+ * ati_remote_compute_accel
  *
  * Implements acceleration curve for directional control pad
  * If elapsed time since last event is > 1/4 second, user "stopped",
@@ -478,7 +489,7 @@ static int ati_remote_compute_accel(struct ati_remote *ati_remote)
 }
 
 /*
- *      ati_remote_report_input
+ * ati_remote_report_input
  */
 static void ati_remote_input_report(struct urb *urb)
 {
@@ -518,7 +529,8 @@ static void ati_remote_input_report(struct urb *urb)
         remote_num = (data[3] >> 4) & 0x0f;
         if (channel_mask & (1 << (remote_num + 1))) {
                 dbginfo(&ati_remote->interface->dev,
-                        "Masked input from channel 0x%02x: data %02x,%02x, mask= 0x%02lx\n",
+                        "Masked input from channel 0x%02x: data %02x,%02x, "
+                        "mask= 0x%02lx\n",
                         remote_num, data[1], data[2], channel_mask);
                 return;
         }
@@ -546,7 +558,9 @@ static void ati_remote_input_report(struct urb *urb)
                 if (wheel_keycode == KEY_RESERVED) {
                         /* scrollwheel was not mapped, assume mouse */
 
-                        /* Look up event code index in the mouse translation table. */
+                        /* Look up event code index in the mouse translation
+                         * table.
+                         */
                         for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
                                 if (scancode == ati_remote_tbl[i].data) {
                                         index = i;
@@ -630,9 +644,9 @@ static void ati_remote_input_report(struct urb *urb)
         } else {
 
                 /*
-                 * Other event kinds are from the directional control pad, and have an
-                 * acceleration factor applied to them.  Without this acceleration, the
-                 * control pad is mostly unusable.
+                 * Other event kinds are from the directional control pad, and
+                 * have an acceleration factor applied to them.  Without this
+                 * acceleration, the control pad is mostly unusable.
                  */
                 acc = ati_remote_compute_accel(ati_remote);
 
@@ -659,7 +673,8 @@ static void ati_remote_input_report(struct urb *urb)
                         input_report_rel(dev, REL_Y, acc);
                         break;
                 default:
-                        dev_dbg(&ati_remote->interface->dev, "ati_remote kind=%d\n",
+                        dev_dbg(&ati_remote->interface->dev,
+                                "ati_remote kind=%d\n",
                                 ati_remote_tbl[index].kind);
                 }
                 input_sync(dev);
@@ -670,7 +685,7 @@ static void ati_remote_input_report(struct urb *urb)
 }
 
 /*
- *      ati_remote_irq_in
+ * ati_remote_irq_in
  */
 static void ati_remote_irq_in(struct urb *urb)
 {
@@ -684,22 +699,25 @@ static void ati_remote_irq_in(struct urb *urb)
         case -ECONNRESET:       /* unlink */
         case -ENOENT:
         case -ESHUTDOWN:
-                dev_dbg(&ati_remote->interface->dev, "%s: urb error status, unlink? \n",
+                dev_dbg(&ati_remote->interface->dev,
+                        "%s: urb error status, unlink?\n",
                         __func__);
                 return;
         default:                /* error */
-                dev_dbg(&ati_remote->interface->dev, "%s: Nonzero urb status %d\n",
+                dev_dbg(&ati_remote->interface->dev,
+                        "%s: Nonzero urb status %d\n",
                         __func__, urb->status);
         }
 
         retval = usb_submit_urb(urb, GFP_ATOMIC);
         if (retval)
-                dev_err(&ati_remote->interface->dev, "%s: usb_submit_urb()=%d\n",
+                dev_err(&ati_remote->interface->dev,
+                        "%s: usb_submit_urb()=%d\n",
                         __func__, retval);
 }
 
 /*
- *      ati_remote_alloc_buffers
+ * ati_remote_alloc_buffers
  */
 static int ati_remote_alloc_buffers(struct usb_device *udev,
                                     struct ati_remote *ati_remote)
@@ -726,7 +744,7 @@ static int ati_remote_alloc_buffers(struct usb_device *udev,
 }
 
 /*
- *      ati_remote_free_buffers
+ * ati_remote_free_buffers
  */
 static void ati_remote_free_buffers(struct ati_remote *ati_remote)
 {
@@ -825,9 +843,10 @@ static int ati_remote_initialize(struct ati_remote *ati_remote)
 }
 
 /*
- *      ati_remote_probe
+ * ati_remote_probe
  */
-static int ati_remote_probe(struct usb_interface *interface, const struct usb_device_id *id)
+static int ati_remote_probe(struct usb_interface *interface,
+        const struct usb_device_id *id)
 {
         struct usb_device *udev = interface_to_usbdev(interface);
         struct usb_host_interface *iface_host = interface->cur_altsetting;
@@ -949,7 +968,7 @@ static int ati_remote_probe(struct usb_interface *interface, const struct usb_de
 }
 
 /*
- *      ati_remote_disconnect
+ * ati_remote_disconnect
  */
 static void ati_remote_disconnect(struct usb_interface *interface)
 {
@@ -971,6 +990,14 @@ static void ati_remote_disconnect(struct usb_interface *interface)
         kfree(ati_remote);
 }
 
+/* usb specific object to register with the usb subsystem */
+static struct usb_driver ati_remote_driver = {
+        .name         = "ati_remote",
+        .probe        = ati_remote_probe,
+        .disconnect   = ati_remote_disconnect,
+        .id_table     = ati_remote_table,
+};
+
 module_usb_driver(ati_remote_driver);
 
 MODULE_AUTHOR(DRIVER_AUTHOR);