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path: root/drivers/media/video/usbvideo/usbvideo.c
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Diffstat (limited to 'drivers/media/video/usbvideo/usbvideo.c')
-rw-r--r--drivers/media/video/usbvideo/usbvideo.c148
1 files changed, 75 insertions, 73 deletions
diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c
index 5d363be7bc7..4128ee20b64 100644
--- a/drivers/media/video/usbvideo/usbvideo.c
+++ b/drivers/media/video/usbvideo/usbvideo.c
@@ -522,14 +522,14 @@ void usbvideo_TestPattern(struct uvd *uvd, int fullframe, int pmode)
struct usbvideo_frame *frame;
int num_cell = 0;
int scan_length = 0;
- static int num_pass = 0;
+ static int num_pass;
if (uvd == NULL) {
- err("%s: uvd == NULL", __FUNCTION__);
+ err("%s: uvd == NULL", __func__);
return;
}
if ((uvd->curframe < 0) || (uvd->curframe >= USBVIDEO_NUMFRAMES)) {
- err("%s: uvd->curframe=%d.", __FUNCTION__, uvd->curframe);
+ err("%s: uvd->curframe=%d.", __func__, uvd->curframe);
return;
}
@@ -630,15 +630,15 @@ EXPORT_SYMBOL(usbvideo_HexDump);
static int usbvideo_ClientIncModCount(struct uvd *uvd)
{
if (uvd == NULL) {
- err("%s: uvd == NULL", __FUNCTION__);
+ err("%s: uvd == NULL", __func__);
return -EINVAL;
}
if (uvd->handle == NULL) {
- err("%s: uvd->handle == NULL", __FUNCTION__);
+ err("%s: uvd->handle == NULL", __func__);
return -EINVAL;
}
if (!try_module_get(uvd->handle->md_module)) {
- err("%s: try_module_get() == 0", __FUNCTION__);
+ err("%s: try_module_get() == 0", __func__);
return -ENODEV;
}
return 0;
@@ -647,15 +647,15 @@ static int usbvideo_ClientIncModCount(struct uvd *uvd)
static void usbvideo_ClientDecModCount(struct uvd *uvd)
{
if (uvd == NULL) {
- err("%s: uvd == NULL", __FUNCTION__);
+ err("%s: uvd == NULL", __func__);
return;
}
if (uvd->handle == NULL) {
- err("%s: uvd->handle == NULL", __FUNCTION__);
+ err("%s: uvd->handle == NULL", __func__);
return;
}
if (uvd->handle->md_module == NULL) {
- err("%s: uvd->handle->md_module == NULL", __FUNCTION__);
+ err("%s: uvd->handle->md_module == NULL", __func__);
return;
}
module_put(uvd->handle->md_module);
@@ -675,13 +675,13 @@ int usbvideo_register(
/* Check parameters for sanity */
if ((num_cams <= 0) || (pCams == NULL) || (cbTbl == NULL)) {
- err("%s: Illegal call", __FUNCTION__);
+ err("%s: Illegal call", __func__);
return -EINVAL;
}
/* Check registration callback - must be set! */
if (cbTbl->probe == NULL) {
- err("%s: probe() is required!", __FUNCTION__);
+ err("%s: probe() is required!", __func__);
return -EINVAL;
}
@@ -692,7 +692,7 @@ int usbvideo_register(
return -ENOMEM;
}
dbg("%s: Allocated $%p (%d. bytes) for %d. cameras",
- __FUNCTION__, cams, base_size, num_cams);
+ __func__, cams, base_size, num_cams);
/* Copy callbacks, apply defaults for those that are not set */
memmove(&cams->cb, cbTbl, sizeof(cams->cb));
@@ -721,7 +721,7 @@ int usbvideo_register(
up->user_data = kmalloc(up->user_size, GFP_KERNEL);
if (up->user_data == NULL) {
err("%s: Failed to allocate user_data (%d. bytes)",
- __FUNCTION__, up->user_size);
+ __func__, up->user_size);
while (i) {
up = &cams->cam[--i];
kfree(up->user_data);
@@ -730,7 +730,7 @@ int usbvideo_register(
return -ENOMEM;
}
dbg("%s: Allocated cams[%d].user_data=$%p (%d. bytes)",
- __FUNCTION__, i, up->user_data, up->user_size);
+ __func__, i, up->user_data, up->user_size);
}
}
@@ -776,19 +776,19 @@ void usbvideo_Deregister(struct usbvideo **pCams)
int i;
if (pCams == NULL) {
- err("%s: pCams == NULL", __FUNCTION__);
+ err("%s: pCams == NULL", __func__);
return;
}
cams = *pCams;
if (cams == NULL) {
- err("%s: cams == NULL", __FUNCTION__);
+ err("%s: cams == NULL", __func__);
return;
}
- dbg("%s: Deregistering %s driver.", __FUNCTION__, cams->drvName);
+ dbg("%s: Deregistering %s driver.", __func__, cams->drvName);
usb_deregister(&cams->usbdrv);
- dbg("%s: Deallocating cams=$%p (%d. cameras)", __FUNCTION__, cams, cams->num_cameras);
+ dbg("%s: Deallocating cams=$%p (%d. cameras)", __func__, cams, cams->num_cameras);
for (i=0; i < cams->num_cameras; i++) {
struct uvd *up = &cams->cam[i];
int warning = 0;
@@ -802,16 +802,16 @@ void usbvideo_Deregister(struct usbvideo **pCams)
}
if (warning) {
err("%s: Warning: user_data=$%p user_size=%d.",
- __FUNCTION__, up->user_data, up->user_size);
+ __func__, up->user_data, up->user_size);
} else {
dbg("%s: Freeing %d. $%p->user_data=$%p",
- __FUNCTION__, i, up, up->user_data);
+ __func__, i, up, up->user_data);
kfree(up->user_data);
}
}
/* Whole array was allocated in one chunk */
dbg("%s: Freed %d uvd structures",
- __FUNCTION__, cams->num_cameras);
+ __func__, cams->num_cameras);
kfree(cams);
*pCams = NULL;
}
@@ -846,7 +846,7 @@ static void usbvideo_Disconnect(struct usb_interface *intf)
int i;
if (uvd == NULL) {
- err("%s($%p): Illegal call.", __FUNCTION__, intf);
+ err("%s($%p): Illegal call.", __func__, intf);
return;
}
@@ -854,7 +854,7 @@ static void usbvideo_Disconnect(struct usb_interface *intf)
usbvideo_ClientIncModCount(uvd);
if (uvd->debug > 0)
- info("%s(%p.)", __FUNCTION__, intf);
+ info("%s(%p.)", __func__, intf);
mutex_lock(&uvd->lock);
uvd->remove_pending = 1; /* Now all ISO data will be ignored */
@@ -870,10 +870,10 @@ static void usbvideo_Disconnect(struct usb_interface *intf)
video_unregister_device(&uvd->vdev);
if (uvd->debug > 0)
- info("%s: Video unregistered.", __FUNCTION__);
+ info("%s: Video unregistered.", __func__);
if (uvd->user)
- info("%s: In use, disconnect pending.", __FUNCTION__);
+ info("%s: In use, disconnect pending.", __func__);
else
usbvideo_CameraRelease(uvd);
mutex_unlock(&uvd->lock);
@@ -895,7 +895,7 @@ static void usbvideo_Disconnect(struct usb_interface *intf)
static void usbvideo_CameraRelease(struct uvd *uvd)
{
if (uvd == NULL) {
- err("%s: Illegal call", __FUNCTION__);
+ err("%s: Illegal call", __func__);
return;
}
@@ -946,7 +946,9 @@ static const struct file_operations usbvideo_fops = {
.read = usbvideo_v4l_read,
.mmap = usbvideo_v4l_mmap,
.ioctl = usbvideo_v4l_ioctl,
+#ifdef CONFIG_COMPAT
.compat_ioctl = v4l_compat_ioctl32,
+#endif
.llseek = no_llseek,
};
static const struct video_device usbvideo_template = {
@@ -1011,18 +1013,18 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd)
char tmp1[20], tmp2[20]; /* Buffers for printing */
if (uvd == NULL) {
- err("%s: Illegal call.", __FUNCTION__);
+ err("%s: Illegal call.", __func__);
return -EINVAL;
}
if (uvd->video_endp == 0) {
- info("%s: No video endpoint specified; data pump disabled.", __FUNCTION__);
+ info("%s: No video endpoint specified; data pump disabled.", __func__);
}
if (uvd->paletteBits == 0) {
- err("%s: No palettes specified!", __FUNCTION__);
+ err("%s: No palettes specified!", __func__);
return -EINVAL;
}
if (uvd->defaultPalette == 0) {
- info("%s: No default palette!", __FUNCTION__);
+ info("%s: No default palette!", __func__);
}
uvd->max_frame_size = VIDEOSIZE_X(uvd->canvas) *
@@ -1032,19 +1034,19 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd)
if (uvd->debug > 0) {
info("%s: iface=%d. endpoint=$%02x paletteBits=$%08lx",
- __FUNCTION__, uvd->iface, uvd->video_endp, uvd->paletteBits);
+ __func__, uvd->iface, uvd->video_endp, uvd->paletteBits);
}
if (uvd->dev == NULL) {
- err("%s: uvd->dev == NULL", __FUNCTION__);
+ err("%s: uvd->dev == NULL", __func__);
return -EINVAL;
}
- uvd->vdev.dev=&(uvd->dev->dev);
+ uvd->vdev.dev = &uvd->dev->dev;
if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
- err("%s: video_register_device failed", __FUNCTION__);
+ err("%s: video_register_device failed", __func__);
return -EPIPE;
}
if (uvd->debug > 1) {
- info("%s: video_register_device() successful", __FUNCTION__);
+ info("%s: video_register_device() successful", __func__);
}
info("%s on /dev/video%d: canvas=%s videosize=%s",
@@ -1111,14 +1113,14 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file)
int i, errCode = 0;
if (uvd->debug > 1)
- info("%s($%p)", __FUNCTION__, dev);
+ info("%s($%p)", __func__, dev);
if (0 < usbvideo_ClientIncModCount(uvd))
return -ENODEV;
mutex_lock(&uvd->lock);
if (uvd->user) {
- err("%s: Someone tried to open an already opened device!", __FUNCTION__);
+ err("%s: Someone tried to open an already opened device!", __func__);
errCode = -EBUSY;
} else {
/* Clear statistics */
@@ -1134,7 +1136,7 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file)
RingQueue_Allocate(&uvd->dp, RING_QUEUE_SIZE);
if ((uvd->fbuf == NULL) ||
(!RingQueue_IsAllocated(&uvd->dp))) {
- err("%s: Failed to allocate fbuf or dp", __FUNCTION__);
+ err("%s: Failed to allocate fbuf or dp", __func__);
errCode = -ENOMEM;
} else {
/* Allocate all buffers */
@@ -1178,19 +1180,19 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file)
if (errCode == 0) {
if (VALID_CALLBACK(uvd, setupOnOpen)) {
if (uvd->debug > 1)
- info("%s: setupOnOpen callback", __FUNCTION__);
+ info("%s: setupOnOpen callback", __func__);
errCode = GET_CALLBACK(uvd, setupOnOpen)(uvd);
if (errCode < 0) {
err("%s: setupOnOpen callback failed (%d.).",
- __FUNCTION__, errCode);
+ __func__, errCode);
} else if (uvd->debug > 1) {
- info("%s: setupOnOpen callback successful", __FUNCTION__);
+ info("%s: setupOnOpen callback successful", __func__);
}
}
if (errCode == 0) {
uvd->settingsAdjusted = 0;
if (uvd->debug > 1)
- info("%s: Open succeeded.", __FUNCTION__);
+ info("%s: Open succeeded.", __func__);
uvd->user++;
file->private_data = uvd;
}
@@ -1200,7 +1202,7 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file)
if (errCode != 0)
usbvideo_ClientDecModCount(uvd);
if (uvd->debug > 0)
- info("%s: Returning %d.", __FUNCTION__, errCode);
+ info("%s: Returning %d.", __func__, errCode);
return errCode;
}
@@ -1223,7 +1225,7 @@ static int usbvideo_v4l_close(struct inode *inode, struct file *file)
int i;
if (uvd->debug > 1)
- info("%s($%p)", __FUNCTION__, dev);
+ info("%s($%p)", __func__, dev);
mutex_lock(&uvd->lock);
GET_CALLBACK(uvd, stopDataPump)(uvd);
@@ -1250,7 +1252,7 @@ static int usbvideo_v4l_close(struct inode *inode, struct file *file)
usbvideo_ClientDecModCount(uvd);
if (uvd->debug > 1)
- info("%s: Completed.", __FUNCTION__);
+ info("%s: Completed.", __func__);
file->private_data = NULL;
return 0;
}
@@ -1504,7 +1506,7 @@ static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf,
return -EFAULT;
if (uvd->debug >= 1)
- info("%s: %Zd. bytes, noblock=%d.", __FUNCTION__, count, noblock);
+ info("%s: %Zd. bytes, noblock=%d.", __func__, count, noblock);
mutex_lock(&uvd->lock);
@@ -1551,7 +1553,7 @@ static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf,
*/
if (frmx == -1) {
if (uvd->defaultPalette == 0) {
- err("%s: No default palette; don't know what to do!", __FUNCTION__);
+ err("%s: No default palette; don't know what to do!", __func__);
count = -EFAULT;
goto read_done;
}
@@ -1623,7 +1625,7 @@ static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf,
frame->seqRead_Index += count;
if (uvd->debug >= 1) {
err("%s: {copy} count used=%Zd, new seqRead_Index=%ld",
- __FUNCTION__, count, frame->seqRead_Index);
+ __func__, count, frame->seqRead_Index);
}
/* Finally check if the frame is done with and "release" it */
@@ -1634,7 +1636,7 @@ static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf,
/* Mark it as available to be used again. */
uvd->frame[frmx].frameState = FrameState_Unused;
if (usbvideo_NewFrame(uvd, (frmx + 1) % USBVIDEO_NUMFRAMES)) {
- err("%s: usbvideo_NewFrame failed.", __FUNCTION__);
+ err("%s: usbvideo_NewFrame failed.", __func__);
}
}
read_done:
@@ -1741,10 +1743,10 @@ static int usbvideo_StartDataPump(struct uvd *uvd)
int i, errFlag;
if (uvd->debug > 1)
- info("%s($%p)", __FUNCTION__, uvd);
+ info("%s($%p)", __func__, uvd);
if (!CAMERA_IS_OPERATIONAL(uvd)) {
- err("%s: Camera is not operational", __FUNCTION__);
+ err("%s: Camera is not operational", __func__);
return -EFAULT;
}
uvd->curframe = -1;
@@ -1752,14 +1754,14 @@ static int usbvideo_StartDataPump(struct uvd *uvd)
/* Alternate interface 1 is is the biggest frame size */
i = usb_set_interface(dev, uvd->iface, uvd->ifaceAltActive);
if (i < 0) {
- err("%s: usb_set_interface error", __FUNCTION__);
+ err("%s: usb_set_interface error", __func__);
uvd->last_error = i;
return -EBUSY;
}
if (VALID_CALLBACK(uvd, videoStart))
GET_CALLBACK(uvd, videoStart)(uvd);
else
- err("%s: videoStart not set", __FUNCTION__);
+ err("%s: videoStart not set", __func__);
/* We double buffer the Iso lists */
for (i=0; i < USBVIDEO_NUMSBUF; i++) {
@@ -1784,12 +1786,12 @@ static int usbvideo_StartDataPump(struct uvd *uvd)
for (i=0; i < USBVIDEO_NUMSBUF; i++) {
errFlag = usb_submit_urb(uvd->sbuf[i].urb, GFP_KERNEL);
if (errFlag)
- err("%s: usb_submit_isoc(%d) ret %d", __FUNCTION__, i, errFlag);
+ err("%s: usb_submit_isoc(%d) ret %d", __func__, i, errFlag);
}
uvd->streaming = 1;
if (uvd->debug > 1)
- info("%s: streaming=1 video_endp=$%02x", __FUNCTION__, uvd->video_endp);
+ info("%s: streaming=1 video_endp=$%02x", __func__, uvd->video_endp);
return 0;
}
@@ -1811,14 +1813,14 @@ static void usbvideo_StopDataPump(struct uvd *uvd)
return;
if (uvd->debug > 1)
- info("%s($%p)", __FUNCTION__, uvd);
+ info("%s($%p)", __func__, uvd);
/* Unschedule all of the iso td's */
for (i=0; i < USBVIDEO_NUMSBUF; i++) {
usb_kill_urb(uvd->sbuf[i].urb);
}
if (uvd->debug > 1)
- info("%s: streaming=0", __FUNCTION__);
+ info("%s: streaming=0", __func__);
uvd->streaming = 0;
if (!uvd->remove_pending) {
@@ -1826,12 +1828,12 @@ static void usbvideo_StopDataPump(struct uvd *uvd)
if (VALID_CALLBACK(uvd, videoStop))
GET_CALLBACK(uvd, videoStop)(uvd);
else
- err("%s: videoStop not set", __FUNCTION__);
+ err("%s: videoStop not set", __func__);
/* Set packet size to 0 */
j = usb_set_interface(uvd->dev, uvd->iface, uvd->ifaceAltInactive);
if (j < 0) {
- err("%s: usb_set_interface() error %d.", __FUNCTION__, j);
+ err("%s: usb_set_interface() error %d.", __func__, j);
uvd->last_error = j;
}
}
@@ -1955,12 +1957,12 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum)
struct usbvideo_frame *frame = &uvd->frame[frameNum];
if (uvd->debug >= 2)
- info("%s($%p,%d.)", __FUNCTION__, uvd, frameNum);
+ info("%s($%p,%d.)", __func__, uvd, frameNum);
switch (frame->frameState) {
case FrameState_Unused:
if (uvd->debug >= 2)
- info("%s: FrameState_Unused", __FUNCTION__);
+ info("%s: FrameState_Unused", __func__);
return -EINVAL;
case FrameState_Ready:
case FrameState_Grabbing:
@@ -1970,7 +1972,7 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum)
redo:
if (!CAMERA_IS_OPERATIONAL(uvd)) {
if (uvd->debug >= 2)
- info("%s: Camera is not operational (1)", __FUNCTION__);
+ info("%s: Camera is not operational (1)", __func__);
return -EIO;
}
ntries = 0;
@@ -1979,24 +1981,24 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum)
signalPending = signal_pending(current);
if (!CAMERA_IS_OPERATIONAL(uvd)) {
if (uvd->debug >= 2)
- info("%s: Camera is not operational (2)", __FUNCTION__);
+ info("%s: Camera is not operational (2)", __func__);
return -EIO;
}
assert(uvd->fbuf != NULL);
if (signalPending) {
if (uvd->debug >= 2)
- info("%s: Signal=$%08x", __FUNCTION__, signalPending);
+ info("%s: Signal=$%08x", __func__, signalPending);
if (uvd->flags & FLAGS_RETRY_VIDIOCSYNC) {
usbvideo_TestPattern(uvd, 1, 0);
uvd->curframe = -1;
uvd->stats.frame_num++;
if (uvd->debug >= 2)
- info("%s: Forced test pattern screen", __FUNCTION__);
+ info("%s: Forced test pattern screen", __func__);
return 0;
} else {
/* Standard answer: Interrupted! */
if (uvd->debug >= 2)
- info("%s: Interrupted!", __FUNCTION__);
+ info("%s: Interrupted!", __func__);
return -EINTR;
}
} else {
@@ -2006,17 +2008,17 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum)
else if (VALID_CALLBACK(uvd, processData))
GET_CALLBACK(uvd, processData)(uvd, frame);
else
- err("%s: processData not set", __FUNCTION__);
+ err("%s: processData not set", __func__);
}
} while (frame->frameState == FrameState_Grabbing);
if (uvd->debug >= 2) {
info("%s: Grabbing done; state=%d. (%lu. bytes)",
- __FUNCTION__, frame->frameState, frame->seqRead_Length);
+ __func__, frame->frameState, frame->seqRead_Length);
}
if (frame->frameState == FrameState_Error) {
int ret = usbvideo_NewFrame(uvd, frameNum);
if (ret < 0) {
- err("%s: usbvideo_NewFrame() failed (%d.)", __FUNCTION__, ret);
+ err("%s: usbvideo_NewFrame() failed (%d.)", __func__, ret);
return ret;
}
goto redo;
@@ -2048,7 +2050,7 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum)
}
frame->frameState = FrameState_Done_Hold;
if (uvd->debug >= 2)
- info("%s: Entered FrameState_Done_Hold state.", __FUNCTION__);
+ info("%s: Entered FrameState_Done_Hold state.", __func__);
return 0;
case FrameState_Done_Hold:
@@ -2059,12 +2061,12 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum)
* it will be released back into the wild to roam freely.
*/
if (uvd->debug >= 2)
- info("%s: FrameState_Done_Hold state.", __FUNCTION__);
+ info("%s: FrameState_Done_Hold state.", __func__);
return 0;
}
/* Catch-all for other cases. We shall not be here. */
- err("%s: Invalid state %d.", __FUNCTION__, frame->frameState);
+ err("%s: Invalid state %d.", __func__, frame->frameState);
frame->frameState = FrameState_Unused;
return 0;
}
@@ -2160,7 +2162,7 @@ static void usbvideo_SoftwareContrastAdjustment(struct uvd *uvd,
const int ccm = 128; /* Color correction median - see below */
if ((uvd == NULL) || (frame == NULL)) {
- err("%s: Illegal call.", __FUNCTION__);
+ err("%s: Illegal call.", __func__);
return;
}
adj = (uvd->vpic.contrast - 0x8000) >> 8; /* -128..+127 = -ccm..+(ccm-1)*/