V4L/DVB (9213): si470x: module_param access rights

This patch mainly adds correct module_param access rights. Also there
are a lot of small coding style enhancements and some corrections of the
variable references in module_param.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/radio/radio-si470x.c

@@ -141,9 +141,9 @@
 /* USB Device ID List */
 static struct usb_device_id si470x_usb_driver_id_table[] = {
 	/* Silicon Labs USB FM Radio Reference Design */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x10c4, 0x818a,	USB_CLASS_HID, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x10c4, 0x818a, USB_CLASS_HID, 0, 0) },
 	/* ADS/Tech FM Radio Receiver (formerly Instant FM Music) */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x06e1, 0xa155,	USB_CLASS_HID, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x06e1, 0xa155, USB_CLASS_HID, 0, 0) },
 	/* Terminating entry */
 	{ }
 };
@@ -157,7 +157,7 @@ MODULE_DEVICE_TABLE(usb, si470x_usb_driver_id_table);
 
 /* Radio Nr */
 static int radio_nr = -1;
-module_param(radio_nr, int, 0);
+module_param(radio_nr, int, 0444);
 MODULE_PARM_DESC(radio_nr, "Radio Nr");
 
 /* Spacing (kHz) */
@@ -165,42 +165,42 @@ MODULE_PARM_DESC(radio_nr, "Radio Nr");
 /* 1: 100 kHz (Europe, Japan) */
 /* 2:  50 kHz */
 static unsigned short space = 2;
-module_param(space, ushort, 0);
-MODULE_PARM_DESC(radio_nr, "Spacing: 0=200kHz 1=100kHz *2=50kHz*");
+module_param(space, ushort, 0444);
+MODULE_PARM_DESC(space, "Spacing: 0=200kHz 1=100kHz *2=50kHz*");
 
 /* Bottom of Band (MHz) */
 /* 0: 87.5 - 108 MHz (USA, Europe)*/
 /* 1: 76   - 108 MHz (Japan wide band) */
 /* 2: 76   -  90 MHz (Japan) */
 static unsigned short band = 1;
-module_param(band, ushort, 0);
-MODULE_PARM_DESC(radio_nr, "Band: 0=87.5..108MHz *1=76..108MHz* 2=76..90MHz");
+module_param(band, ushort, 0444);
+MODULE_PARM_DESC(band, "Band: 0=87.5..108MHz *1=76..108MHz* 2=76..90MHz");
 
 /* De-emphasis */
 /* 0: 75 us (USA) */
 /* 1: 50 us (Europe, Australia, Japan) */
 static unsigned short de = 1;
-module_param(de, ushort, 0);
-MODULE_PARM_DESC(radio_nr, "De-emphasis: 0=75us *1=50us*");
+module_param(de, ushort, 0444);
+MODULE_PARM_DESC(de, "De-emphasis: 0=75us *1=50us*");
 
 /* USB timeout */
 static unsigned int usb_timeout = 500;
-module_param(usb_timeout, uint, 0);
+module_param(usb_timeout, uint, 0644);
 MODULE_PARM_DESC(usb_timeout, "USB timeout (ms): *500*");
 
 /* Tune timeout */
 static unsigned int tune_timeout = 3000;
-module_param(tune_timeout, uint, 0);
+module_param(tune_timeout, uint, 0644);
 MODULE_PARM_DESC(tune_timeout, "Tune timeout: *3000*");
 
 /* Seek timeout */
 static unsigned int seek_timeout = 5000;
-module_param(seek_timeout, uint, 0);
+module_param(seek_timeout, uint, 0644);
 MODULE_PARM_DESC(seek_timeout, "Seek timeout: *5000*");
 
 /* RDS buffer blocks */
 static unsigned int rds_buf = 100;
-module_param(rds_buf, uint, 0);
+module_param(rds_buf, uint, 0444);
 MODULE_PARM_DESC(rds_buf, "RDS buffer entries: *100*");
 
 /* RDS maximum block errors */
@@ -209,7 +209,7 @@ static unsigned short max_rds_errors = 1;
 /* 1 means 1-2  errors requiring correction (used by original USBRadio.exe) */
 /* 2 means 3-5  errors requiring correction */
 /* 3 means   6+ errors or errors in checkword, correction not possible */
-module_param(max_rds_errors, ushort, 0);
+module_param(max_rds_errors, ushort, 0644);
 MODULE_PARM_DESC(max_rds_errors, "RDS maximum block errors: *1*");
 
 /* RDS poll frequency */
@@ -218,7 +218,7 @@ static unsigned int rds_poll_time = 40;
 /* 50 is used by radio-cadet */
 /* 75 should be okay */
 /* 80 is the usual RDS receive interval */
-module_param(rds_poll_time, uint, 0);
+module_param(rds_poll_time, uint, 0644);
 MODULE_PARM_DESC(rds_poll_time, "RDS poll time (ms): *40*");
 
 
@@ -1588,6 +1588,10 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
 	return retval;
 }
 
+
+/*
+ * si470x_ioctl_ops - video device ioctl operations
+ */
 static const struct v4l2_ioctl_ops si470x_ioctl_ops = {
 	.vidioc_querycap	= si470x_vidioc_querycap,
 	.vidioc_g_input		= si470x_vidioc_g_input,
@@ -1604,14 +1608,15 @@ static const struct v4l2_ioctl_ops si470x_ioctl_ops = {
 	.vidioc_s_hw_freq_seek	= si470x_vidioc_s_hw_freq_seek,
 };
 
+
 /*
- * si470x_viddev_tamples - video device interface
+ * si470x_viddev_template - video device interface
  */
 static struct video_device si470x_viddev_template = {
 	.fops			= &si470x_fops,
-	.ioctl_ops 		= &si470x_ioctl_ops,
 	.name			= DRIVER_NAME,
 	.release		= video_device_release,
+	.ioctl_ops		= &si470x_ioctl_ops,
 };