1. remove declarations from the header file
2. rearange code in main.c to reduce number of forward declarations
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h
index 8a04bad..f98ac6e 100644
--- a/drivers/staging/easycap/easycap.h
+++ b/drivers/staging/easycap/easycap.h
@@ -512,32 +512,10 @@ struct data_buffer audio_buffer[];
/*
* VIDEO FUNCTION PROTOTYPES
*/
-/*---------------------------------------------------------------------------*/
-void easycap_complete(struct urb *);
-int easycap_open(struct inode *, struct file *);
-int easycap_release(struct inode *, struct file *);
-long easycap_ioctl_noinode(struct file *, unsigned int,
- unsigned long);
-int easycap_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long);
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
-#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
-int easycap_open_noinode(struct file *);
-int easycap_release_noinode(struct file *);
-int videodev_release(struct video_device *);
-#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
+long easycap_ioctl_noinode(struct file *, unsigned int, unsigned long);
+int easycap_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
-unsigned int easycap_poll(struct file *, poll_table *);
-int easycap_mmap(struct file *, struct vm_area_struct *);
-int easycap_usb_probe(struct usb_interface *,
- const struct usb_device_id *);
-void easycap_usb_disconnect(struct usb_interface *);
-void easycap_delete(struct kref *);
-
-void easycap_vma_open(struct vm_area_struct *);
-void easycap_vma_close(struct vm_area_struct *);
-int easycap_vma_fault(struct vm_area_struct *, struct vm_fault *);
int easycap_dqbuf(struct easycap *, int);
int submit_video_urbs(struct easycap *);
int kill_video_urbs(struct easycap *);
@@ -546,7 +524,6 @@ int redaub(struct easycap *, void *, void *,
int, int, __u8, __u8, bool);
void easycap_testcard(struct easycap *, int);
int fillin_formats(void);
-int reset(struct easycap *);
int newinput(struct easycap *, int);
int adjust_standard(struct easycap *, v4l2_std_id);
int adjust_format(struct easycap *, __u32, __u32, __u32,
diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c
index 9218410..85a26e3 100644
--- a/drivers/staging/easycap/easycap_main.c
+++ b/drivers/staging/easycap/easycap_main.c
@@ -50,27 +50,16 @@ MODULE_PARM_DESC(bars,
static int easycap_gain = 16;
module_param_named(gain, easycap_gain, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(gain, "Audio gain: 0,...,16(default),...31");
+
+
+
struct easycap_dongle easycapdc60_dongle[DONGLE_MANY];
static struct mutex mutex_dongle;
+static void easycap_complete(struct urb *purb);
+static int reset(struct easycap *peasycap);
/*---------------------------------------------------------------------------*/
/*
- * PARAMETERS APPLICABLE TO ENTIRE DRIVER, I.E. BOTH VIDEO AND AUDIO
- */
-/*---------------------------------------------------------------------------*/
-static struct usb_device_id easycap_usb_device_id_table[] = {
-{ USB_DEVICE(USB_EASYCAP_VENDOR_ID, USB_EASYCAP_PRODUCT_ID) },
-{ }
-};
-MODULE_DEVICE_TABLE(usb, easycap_usb_device_id_table);
-struct usb_driver easycap_usb_driver = {
-.name = "easycap",
-.id_table = easycap_usb_device_id_table,
-.probe = easycap_usb_probe,
-.disconnect = easycap_usb_disconnect,
-};
-/*---------------------------------------------------------------------------*/
-/*
* PARAMETERS USED WHEN REGISTERING THE VIDEO INTERFACE
*
* NOTE: SOME KERNELS IGNORE usb_class_driver.minor_base, AS MENTIONED BY
@@ -78,46 +67,6 @@ struct usb_driver easycap_usb_driver = {
* THIS IS THE CASE FOR OpenSUSE.
*/
/*---------------------------------------------------------------------------*/
-static const struct file_operations easycap_fops = {
- .owner = THIS_MODULE,
- .open = easycap_open,
- .release = easycap_release,
-#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL)
- .unlocked_ioctl = easycap_ioctl_noinode,
-#else
- .ioctl = easycap_ioctl,
-#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/
- .poll = easycap_poll,
- .mmap = easycap_mmap,
- .llseek = no_llseek,
-};
-static const struct vm_operations_struct easycap_vm_ops = {
- .open = easycap_vma_open,
- .close = easycap_vma_close,
- .fault = easycap_vma_fault,
-};
-static const struct usb_class_driver easycap_class = {
- .name = "usb/easycap%d",
- .fops = &easycap_fops,
- .minor_base = USB_SKEL_MINOR_BASE,
-};
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
-#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
-#if defined(EASYCAP_NEEDS_V4L2_FOPS)
-static const struct v4l2_file_operations v4l2_fops = {
- .owner = THIS_MODULE,
- .open = easycap_open_noinode,
- .release = easycap_release_noinode,
-#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL)
- .unlocked_ioctl = easycap_ioctl_noinode,
-#else
- .ioctl = easycap_ioctl,
-#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/
- .poll = easycap_poll,
- .mmap = easycap_mmap,
-};
-#endif /*EASYCAP_NEEDS_V4L2_FOPS*/
-#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/****************************************************************************/
/*---------------------------------------------------------------------------*/
@@ -139,18 +88,8 @@ for (k = 0; k < DONGLE_MANY; k++) {
}
return -1;
}
-/*****************************************************************************/
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
-#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
-int
-easycap_open_noinode(struct file *file)
-{
-return easycap_open((struct inode *)NULL, file);
-}
-#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
-int
-easycap_open(struct inode *inode, struct file *file)
+static int easycap_open(struct inode *inode, struct file *file)
{
#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT))
struct usb_interface *pusb_interface;
@@ -221,6 +160,7 @@ if (0 != rc) {
}
return 0;
}
+
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
/*
@@ -230,8 +170,7 @@ return 0;
* A BAD VIDEO FRAME SIZE.
*/
/*---------------------------------------------------------------------------*/
-int
-reset(struct easycap *peasycap)
+static int reset(struct easycap *peasycap)
{
struct easycap_standard const *peasycap_standard;
int i, rc, input, rate;
@@ -602,8 +541,7 @@ peasycap->video_junk = 0;
return 0;
}
/*****************************************************************************/
-int
-submit_video_urbs(struct easycap *peasycap)
+int submit_video_urbs(struct easycap *peasycap)
{
struct data_urb *pdata_urb;
struct urb *purb;
@@ -793,18 +731,9 @@ if (peasycap->video_isoc_streaming) {
return 0;
}
/****************************************************************************/
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
-#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
-int
-easycap_release_noinode(struct file *file)
-{
-return easycap_release((struct inode *)NULL, file);
-}
-#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/*--------------------------------------------------------------------------*/
-int
-easycap_release(struct inode *inode, struct file *file)
+static int easycap_release(struct inode *inode, struct file *file)
{
#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT))
struct easycap *peasycap;
@@ -834,11 +763,17 @@ JOM(4, "ending successfully\n");
return 0;
}
-/****************************************************************************/
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
-int
-videodev_release(struct video_device *pvideo_device)
+static int easycap_open_noinode(struct file *file)
+{
+ return easycap_open(NULL, file);
+}
+
+static int easycap_release_noinode(struct file *file)
+{
+ return easycap_release(NULL, file);
+}
+static int videodev_release(struct video_device *pvideo_device)
{
struct easycap *peasycap;
@@ -873,8 +808,7 @@ return 0;
* peasycap->pusb_device IS NO LONGER VALID.
*/
/*---------------------------------------------------------------------------*/
-void
-easycap_delete(struct kref *pkref)
+static void easycap_delete(struct kref *pkref)
{
int k, m, gone, kd;
int allocation_video_urb, allocation_video_page, allocation_video_struct;
@@ -1089,7 +1023,7 @@ JOT(4, "ending.\n");
return;
}
/*****************************************************************************/
-unsigned int easycap_poll(struct file *file, poll_table *wait)
+static unsigned int easycap_poll(struct file *file, poll_table *wait)
{
struct easycap *peasycap;
int rc, kd;
@@ -2678,21 +2612,8 @@ return 0;
* SEE CORBET ET AL. "LINUX DEVICE DRIVERS", 3rd EDITION, PAGES 430-434
*/
/*---------------------------------------------------------------------------*/
-int easycap_mmap(struct file *file, struct vm_area_struct *pvma)
-{
-
-JOT(8, "\n");
-
-pvma->vm_ops = &easycap_vm_ops;
-pvma->vm_flags |= VM_RESERVED;
-if (NULL != file)
- pvma->vm_private_data = file->private_data;
-easycap_vma_open(pvma);
-return 0;
-}
/*****************************************************************************/
-void
-easycap_vma_open(struct vm_area_struct *pvma)
+static void easycap_vma_open(struct vm_area_struct *pvma)
{
struct easycap *peasycap;
@@ -2710,8 +2631,7 @@ JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
return;
}
/*****************************************************************************/
-void
-easycap_vma_close(struct vm_area_struct *pvma)
+static void easycap_vma_close(struct vm_area_struct *pvma)
{
struct easycap *peasycap;
@@ -2729,8 +2649,7 @@ JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
return;
}
/*****************************************************************************/
-int
-easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf)
+static int easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf)
{
int k, m, retcode;
void *pbuf;
@@ -2793,6 +2712,24 @@ if (NULL == page) {
}
return retcode;
}
+
+static const struct vm_operations_struct easycap_vm_ops = {
+ .open = easycap_vma_open,
+ .close = easycap_vma_close,
+ .fault = easycap_vma_fault,
+};
+
+static int easycap_mmap(struct file *file, struct vm_area_struct *pvma)
+{
+ JOT(8, "\n");
+
+ pvma->vm_ops = &easycap_vm_ops;
+ pvma->vm_flags |= VM_RESERVED;
+ if (NULL != file)
+ pvma->vm_private_data = file->private_data;
+ easycap_vma_open(pvma);
+ return 0;
+}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
/*
@@ -2820,8 +2757,7 @@ return retcode;
* 0 != (kount & 0x0100) => BUFFER HAS TWO EXTRA BYTES - WHY?
*/
/*---------------------------------------------------------------------------*/
-void
-easycap_complete(struct urb *purb)
+static void easycap_complete(struct urb *purb)
{
struct easycap *peasycap;
struct data_buffer *pfield_buffer;
@@ -3376,6 +3312,41 @@ if (peasycap->video_isoc_streaming) {
}
return;
}
+static const struct file_operations easycap_fops = {
+ .owner = THIS_MODULE,
+ .open = easycap_open,
+ .release = easycap_release,
+#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL)
+ .unlocked_ioctl = easycap_ioctl_noinode,
+#else
+ .ioctl = easycap_ioctl,
+#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/
+ .poll = easycap_poll,
+ .mmap = easycap_mmap,
+ .llseek = no_llseek,
+};
+static const struct usb_class_driver easycap_class = {
+ .name = "usb/easycap%d",
+ .fops = &easycap_fops,
+ .minor_base = USB_SKEL_MINOR_BASE,
+};
+/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
+#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
+#if defined(EASYCAP_NEEDS_V4L2_FOPS)
+static const struct v4l2_file_operations v4l2_fops = {
+ .owner = THIS_MODULE,
+ .open = easycap_open_noinode,
+ .release = easycap_release_noinode,
+#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL)
+ .unlocked_ioctl = easycap_ioctl_noinode,
+#else
+ .ioctl = easycap_ioctl,
+#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/
+ .poll = easycap_poll,
+ .mmap = easycap_mmap,
+};
+#endif /*EASYCAP_NEEDS_V4L2_FOPS*/
+#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
/*
@@ -3383,9 +3354,8 @@ return;
* TIMES, ONCE FOR EACH OF THE THREE INTERFACES. BEWARE.
*/
/*---------------------------------------------------------------------------*/
-int
-easycap_usb_probe(struct usb_interface *pusb_interface,
- const struct usb_device_id *pusb_device_id)
+static int easycap_usb_probe(struct usb_interface *pusb_interface,
+ const struct usb_device_id *pusb_device_id)
{
struct usb_device *pusb_device, *pusb_device1;
struct usb_host_interface *pusb_host_interface;
@@ -4792,8 +4762,7 @@ return 0;
* THIS FUNCTION AFFECTS BOTH OSS AND ALSA. BEWARE.
*/
/*---------------------------------------------------------------------------*/
-void
-easycap_usb_disconnect(struct usb_interface *pusb_interface)
+static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
{
struct usb_host_interface *pusb_host_interface;
struct usb_interface_descriptor *pusb_interface_descriptor;
@@ -5079,47 +5048,56 @@ JOM(4, "ends\n");
return;
}
/*****************************************************************************/
-static int __init easycap_module_init(void)
-{
-int k, rc;
-
-SAY("========easycap=======\n");
-JOT(4, "begins. %i=debug %i=bars %i=gain\n", easycap_debug, easycap_bars,
- easycap_gain);
-SAY("version: " EASYCAP_DRIVER_VERSION "\n");
-mutex_init(&mutex_dongle);
-for (k = 0; k < DONGLE_MANY; k++) {
- easycapdc60_dongle[k].peasycap = (struct easycap *)NULL;
- mutex_init(&easycapdc60_dongle[k].mutex_video);
- mutex_init(&easycapdc60_dongle[k].mutex_audio);
-}
/*---------------------------------------------------------------------------*/
/*
- * REGISTER THIS DRIVER WITH THE USB SUBSYTEM.
+ * PARAMETERS APPLICABLE TO ENTIRE DRIVER, I.E. BOTH VIDEO AND AUDIO
*/
/*---------------------------------------------------------------------------*/
-JOT(4, "registering driver easycap\n");
-rc = usb_register(&easycap_usb_driver);
-if (0 != rc)
- SAY("ERROR: usb_register returned %i\n", rc);
+static struct usb_device_id easycap_usb_device_id_table[] = {
+ {USB_DEVICE(USB_EASYCAP_VENDOR_ID, USB_EASYCAP_PRODUCT_ID)},
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, easycap_usb_device_id_table);
+struct usb_driver easycap_usb_driver = {
+ .name = "easycap",
+ .id_table = easycap_usb_device_id_table,
+ .probe = easycap_usb_probe,
+ .disconnect = easycap_usb_disconnect,
+};
-JOT(4, "ends\n");
-return rc;
+static int __init easycap_module_init(void)
+{
+ int k, rc;
+
+ SAY("========easycap=======\n");
+ JOT(4, "begins. %i=debug %i=bars %i=gain\n",
+ easycap_debug, easycap_bars, easycap_gain);
+ SAY("version: " EASYCAP_DRIVER_VERSION "\n");
+
+ mutex_init(&mutex_dongle);
+ for (k = 0; k < DONGLE_MANY; k++) {
+ easycapdc60_dongle[k].peasycap = (struct easycap *)NULL;
+ mutex_init(&easycapdc60_dongle[k].mutex_video);
+ mutex_init(&easycapdc60_dongle[k].mutex_audio);
+ }
+ JOT(4, "registering driver easycap\n");
+ rc = usb_register(&easycap_usb_driver);
+ if (0 != rc)
+ SAY("ERROR: usb_register returned %i\n", rc);
+
+ JOT(4, "ends\n");
+ return rc;
}
/*****************************************************************************/
static void __exit easycap_module_exit(void)
{
-JOT(4, "begins\n");
+ JOT(4, "begins\n");
-/*---------------------------------------------------------------------------*/
-/*
- * DEREGISTER THIS DRIVER WITH THE USB SUBSYTEM.
- */
-/*---------------------------------------------------------------------------*/
-usb_deregister(&easycap_usb_driver);
+ usb_deregister(&easycap_usb_driver);
-JOT(4, "ends\n");
+ JOT(4, "ends\n");
}
/*****************************************************************************/
--
1.7.3.4
---------------------------------------------------------------------
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