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Commit 70f7a7d6 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
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[PATCH] update cpia to match 2.4

parent 16fa5fe8
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Showing with 182 additions and 135 deletions
drivers/media/video/cpia.c
View file @ 70f7a7d6
......@@ -56,7 +56,7 @@ static int video_nr = -1;
#ifdef MODULE
MODULE_PARM(video_nr,"i");
MODULE_AUTHOR("Scott J. Bertin <sbertin@mindspring.com> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <jerdfelt@valinux.com>");
MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfeld.com>");
MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("video");
......@@ -163,7 +163,7 @@ enum {
#define COMMAND_SETAPCOR 0x1000
#define COMMAND_SETFLICKERCTRL 0x2000
#define COMMAND_SETVLOFFSET 0x4000
#define COMMAND_SETLIGHTS 0x8000
/* Developer's Guide Table 5 p 3-34
* indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/
static u8 flicker_jumps[2][2][4] =
......@@ -244,7 +244,7 @@ static int cpia_read_proc(char *page, char **start, off_t off,
char *out = page;
int len, tmp;
struct cam_data *cam = data;
char tmpstr[20];
char tmpstr[29];
/* IMPORTANT: This output MUST be kept under PAGE_SIZE
* or we need to get more sophisticated. */
......@@ -281,6 +281,13 @@ static int cpia_read_proc(char *page, char **start, off_t off,
cam->params.status.vpStatus);
out += sprintf(out, "error_code: %#04x\n",
cam->params.status.errorCode);
/* QX3 specific entries */
if (cam->params.qx3.qx3_detected) {
out += sprintf(out, "button: %4d\n",
cam->params.qx3.button);
out += sprintf(out, "cradled: %4d\n",
cam->params.qx3.cradled);
}
out += sprintf(out, "video_size: %s\n",
cam->params.format.videoSize == VIDEOSIZE_CIF ?
"CIF " : "QCIF");
......@@ -345,16 +352,17 @@ static int cpia_read_proc(char *page, char **start, off_t off,
if (cam->params.version.firmwareVersion == 1 &&
cam->params.version.firmwareRevision == 2)
/* 1-02 firmware limits gain to 2 */
sprintf(tmpstr, "%8d %8d", 1, 2);
sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2);
else
sprintf(tmpstr, "1,2,4,8");
sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2);
if (cam->params.exposure.gainMode == 0)
out += sprintf(out, "max_gain: unknown %18s"
" %8d\n", tmpstr, 2);
out += sprintf(out, "max_gain: unknown %28s"
" powers of 2\n", tmpstr);
else
out += sprintf(out, "max_gain: %8d %18s %8d\n",
1<<(cam->params.exposure.gainMode-1), tmpstr, 2);
out += sprintf(out, "max_gain: %8d %28s"
" 1,2,4 or 8 \n",
1<<(cam->params.exposure.gainMode-1), tmpstr);
switch(cam->params.exposure.expMode) {
case 1:
......@@ -481,6 +489,15 @@ static int cpia_read_proc(char *page, char **start, off_t off,
out += sprintf(out, "decimation_thresh_mod: %8d %8d %8d %8d\n",
cam->params.compressionParams.decimationThreshMod,
0, 255, 2);
/* QX3 specific entries */
if (cam->params.qx3.qx3_detected) {
out += sprintf(out, "toplight: %8s %8s %8s %8s\n",
cam->params.qx3.toplight ? "on" : "off",
"off", "on", "off");
out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n",
cam->params.qx3.bottomlight ? "on" : "off",
"off", "on", "off");
}
len = out - page;
len -= off;
......@@ -494,18 +511,45 @@ static int cpia_read_proc(char *page, char **start, off_t off,
return len;
}
static int cpia_write_proc(struct file *file, const char *buffer,
static int cpia_write_proc(struct file *file, const char *buf,
unsigned long count, void *data)
{
return -EINVAL;
#if 0
struct cam_data *cam = data;
struct cam_params new_params;
char *page, *buffer;
int retval, find_colon;
int size = count;
unsigned long val;
unsigned long val = 0;
u32 command_flags = 0;
u8 new_mains;
/*
* This code to copy from buf to page is shamelessly copied
* from the comx driver
*/
if (count > PAGE_SIZE) {
printk(KERN_ERR "count is %lu > %d!!!\n", count, (int)PAGE_SIZE);
return -ENOSPC;
}
if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM;
if(copy_from_user(page, buf, count))
{
retval = -EFAULT;
goto out;
}
if (page[count-1] == '\n')
page[count-1] = '\0';
else if (count < PAGE_SIZE)
page[count] = '\0';
else if (page[count]) {
retval = -EINVAL;
goto out;
}
buffer = page;
if (down_interruptible(&cam->param_lock))
return -ERESTARTSYS;
......@@ -1163,6 +1207,22 @@ static int cpia_write_proc(struct file *file, const char *buffer,
retval = -EINVAL;
}
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
} else if (MATCH("toplight")) {
if (!retval && MATCH("on"))
new_params.qx3.toplight = 1;
else if (!retval && MATCH("off"))
new_params.qx3.toplight = 0;
else
retval = -EINVAL;
command_flags |= COMMAND_SETLIGHTS;
} else if (MATCH("bottomlight")) {
if (!retval && MATCH("on"))
new_params.qx3.bottomlight = 1;
else if (!retval && MATCH("off"))
new_params.qx3.bottomlight = 0;
else
retval = -EINVAL;
command_flags |= COMMAND_SETLIGHTS;
} else {
DBG("No match found\n");
retval = -EINVAL;
......@@ -1174,7 +1234,10 @@ static int cpia_write_proc(struct file *file, const char *buffer,
++buffer;
}
if (count) {
if (*buffer != '\n' && *buffer != ';')
if (*buffer == '\0' && count != 1)
retval = -EINVAL;
else if (*buffer != '\n' && *buffer != ';' &&
*buffer != '\0')
retval = -EINVAL;
else {
--count;
......@@ -1208,8 +1271,9 @@ static int cpia_write_proc(struct file *file, const char *buffer,
up(&cam->param_lock);
return retval;
#endif
out:
free_page((unsigned long)page);
return retval;
}
static void create_proc_cpia_cam(struct cam_data *cam)
......@@ -1229,7 +1293,12 @@ static void create_proc_cpia_cam(struct cam_data *cam)
ent->data = cam;
ent->read_proc = cpia_read_proc;
ent->write_proc = cpia_write_proc;
ent->size = 3626;
/*
size of the proc entry is 3672 bytes for the standard webcam;
the extra features of the QX3 microscope add 188 bytes.
(we have not yet probed the camera to see which type it is).
*/
ent->size = 3672 + 188;
cam->proc_entry = ent;
}
......@@ -1523,6 +1592,10 @@ static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
down(&cam->param_lock);
datasize=8;
break;
case CPIA_COMMAND_ReadMCPorts:
case CPIA_COMMAND_ReadVCRegs:
datasize = 4;
break;
default:
datasize=0;
break;
......@@ -1620,6 +1693,22 @@ static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
}
up(&cam->param_lock);
break;
case CPIA_COMMAND_ReadMCPorts:
if (!cam->params.qx3.qx3_detected)
break;
/* test button press */
cam->params.qx3.button = ((data[1] & 0x02) == 0);
if (cam->params.qx3.button) {
/* button pressed - unlock the latch */
do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0);
do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0);
}
/* test whether microscope is cradled */
cam->params.qx3.cradled = ((data[2] & 0x40) == 0);
break;
default:
break;
}
......@@ -1779,6 +1868,7 @@ static int skipcount(int count, int fmt)
{
switch(fmt) {
case VIDEO_PALETTE_GREY:
return count;
case VIDEO_PALETTE_RGB555:
case VIDEO_PALETTE_RGB565:
case VIDEO_PALETTE_YUV422:
......@@ -2059,6 +2149,13 @@ static void dispatch_commands(struct cam_data *cam)
if (cam->cmd_queue & COMMAND_RESUME)
init_stream_cap(cam);
if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected) {
int p1 = (cam->params.qx3.bottomlight == 0) << 1;
int p2 = (cam->params.qx3.toplight == 0) << 3;
do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0);
do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0);
}
up(&cam->param_lock);
cam->cmd_queue = COMMAND_NONE;
return;
......@@ -2133,9 +2230,10 @@ static void fetch_frame(void *data)
/* camera idle now so dispatch queued commands */
dispatch_commands(cam);
/* Update our knowledge of the camera state - FIXME: necessary? */
do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0);
do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0);
/* Update our knowledge of the camera state */
do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0);
do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0);
do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0);
/* decompress and convert image to by copying it from
* raw_image to decompressed_frame
......@@ -2346,8 +2444,12 @@ static int reset_camera(struct cam_data *cam)
get_version_information(cam);
if (cam->params.version.firmwareVersion != 1)
return -ENODEV;
/* The fatal error checking should be done after
/* set QX3 detected flag */
cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 &&
cam->params.pnpID.product == 0x0001);
/* The fatal error checking should be done after
* the camera powers up (developer's guide p 3-38) */
/* Set streamState before transition to high power to avoid bug
......@@ -2481,7 +2583,7 @@ static int cpia_close(struct inode *inode, struct file *file)
/* GotoLoPower */
goto_low_power(cam);
/* Update the camera ststus */
/* Update the camera status */
do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0);
/* cleanup internal state stuff */
......@@ -2520,7 +2622,7 @@ static int cpia_read(struct file *file, char *buf,
struct video_device *dev = file->private_data;
struct cam_data *cam = dev->priv;
/* make this _really_ smp and multithredi-safe */
/* make this _really_ smp and multithread-safe */
if (down_interruptible(&cam->busy_lock))
return -EINTR;
......@@ -2728,7 +2830,6 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
cam->cmd_queue |= COMMAND_SETFORMAT;
}
// FIXME needed??? memcpy(&cam->vw, &vw, sizeof(vw));
up(&cam->param_lock);
/* setformat ignored by camera during streaming,
......@@ -2762,10 +2863,8 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
struct video_mmap *vm = arg;
int video_size;
#if 1
DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame,
vm->width, vm->height);
#endif
if (vm->frame<0||vm->frame>=FRAME_NUM) {
retval = -EINVAL;
break;
......@@ -2775,6 +2874,8 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
cam->vp.palette = vm->format;
switch(vm->format) {
case VIDEO_PALETTE_GREY:
cam->vp.depth=8;
break;
case VIDEO_PALETTE_RGB555:
case VIDEO_PALETTE_RGB565:
case VIDEO_PALETTE_YUV422:
......@@ -2807,10 +2908,6 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
cam->cmd_queue |= COMMAND_SETFORMAT;
dispatch_commands(cam);
}
#if 0
DBG("VIDIOCMCAPTURE: %d / %d/%d\n", cam->video_size,
cam->vw.width, cam->vw.height);
#endif
/* according to v4l-spec we must start streaming here */
cam->mmap_kludge = 1;
retval = capture_frame(cam, vm);
......@@ -2947,7 +3044,7 @@ static struct video_device cpia_template = {
owner: THIS_MODULE,
name: "CPiA Camera",
type: VID_TYPE_CAPTURE,
hardware: VID_HARDWARE_CPIA, /* FIXME */
hardware: VID_HARDWARE_CPIA,
fops: &cpia_fops,
};
......@@ -3006,8 +3103,8 @@ static void reset_camera_struct(struct cam_data *cam)
cam->params.sensorFps.divisor = 1;
cam->params.sensorFps.baserate = 1;
cam->params.yuvThreshold.yThreshold = 15; /* FIXME? */
cam->params.yuvThreshold.uvThreshold = 15; /* FIXME? */
cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */
cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */
cam->params.format.subSample = SUBSAMPLE_422;
cam->params.format.yuvOrder = YUVORDER_YUYV;
......@@ -3015,8 +3112,14 @@ static void reset_camera_struct(struct cam_data *cam)
cam->params.compression.mode = CPIA_COMPRESSION_AUTO;
cam->params.compressionTarget.frTargeting =
CPIA_COMPRESSION_TARGET_QUALITY;
cam->params.compressionTarget.targetFR = 7; /* FIXME? */
cam->params.compressionTarget.targetQ = 10; /* FIXME? */
cam->params.compressionTarget.targetFR = 15; /* From windows driver */
cam->params.compressionTarget.targetQ = 5; /* From windows driver */
cam->params.qx3.qx3_detected = 0;
cam->params.qx3.toplight = 0;
cam->params.qx3.bottomlight = 0;
cam->params.qx3.button = 0;
cam->params.qx3.cradled = 0;
cam->video_size = VIDEOSIZE_CIF;
......@@ -3025,8 +3128,8 @@ static void reset_camera_struct(struct cam_data *cam)
cam->vp.brightness = 32768; /* 50% */
cam->vp.contrast = 32768; /* 50% */
cam->vp.whiteness = 0; /* not used -> grayscale only */
cam->vp.depth = 0; /* FIXME: to be set by user? */
cam->vp.palette = VIDEO_PALETTE_RGB24; /* FIXME: to be set by user? */
cam->vp.depth = 24; /* to be set by user */
cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */
cam->vw.x = 0;
cam->vw.y = 0;
......@@ -3080,14 +3183,9 @@ struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowleve
{
struct cam_data *camera;
/* Need a lock when adding/removing cameras. This doesn't happen
* often and doesn't take very long, so grabbing the kernel lock
* should be OK. */
if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL) {
unlock_kernel();
if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL)
return NULL;
}
init_camera_struct( camera, ops );
camera->lowlevel_data = lowlevel;
......@@ -3095,7 +3193,6 @@ struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowleve
/* register v4l device */
if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
kfree(camera);
unlock_kernel();
printk(KERN_DEBUG "video_register_device failed\n");
return NULL;
}
......@@ -3118,12 +3215,6 @@ struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowleve
/* close cpia */
camera->ops->close(camera->lowlevel_data);
/* Eh? Feeling happy? - jerdfelt */
/*
camera->ops->open(camera->lowlevel_data);
camera->ops->close(camera->lowlevel_data);
*/
printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n",
camera->params.version.firmwareVersion,
camera->params.version.firmwareRevision,
......
drivers/media/video/cpia.h
View file @ 70f7a7d6
......@@ -27,12 +27,12 @@
*/
#define CPIA_MAJ_VER 0
#define CPIA_MIN_VER 7
#define CPIA_PATCH_VER 4
#define CPIA_MIN_VER 8
#define CPIA_PATCH_VER 1
#define CPIA_PP_MAJ_VER 0
#define CPIA_PP_MIN_VER 7
#define CPIA_PP_PATCH_VER 4
#define CPIA_PP_MIN_VER 8
#define CPIA_PP_PATCH_VER 1
#define CPIA_MAX_FRAME_SIZE_UNALIGNED (352 * 288 * 4) /* CIF at RGB32 */
#define CPIA_MAX_FRAME_SIZE ((CPIA_MAX_FRAME_SIZE_UNALIGNED + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) /* align above to PAGE_SIZE */
......@@ -203,7 +203,14 @@ struct cam_params {
u8 videoSize; /* CIF/QCIF */
u8 subSample;
u8 yuvOrder;
} format;
} format;
struct { /* Intel QX3 specific data */
u8 qx3_detected; /* a QX3 is present */
u8 toplight; /* top light lit , R/W */
u8 bottomlight; /* bottom light lit, R/W */
u8 button; /* snapshot button pressed (R/O) */
u8 cradled; /* microscope is in cradle (R/O) */
} qx3;
struct {
u8 colStart; /* skip first 8*colStart pixels */
u8 colEnd; /* finish at 8*colEnd pixels */
......@@ -393,29 +400,6 @@ void cpia_unregister_camera(struct cam_data *cam);
(p)&0x80?1:0, (p)&0x40?1:0, (p)&0x20?1:0, (p)&0x10?1:0,\
(p)&0x08?1:0, (p)&0x04?1:0, (p)&0x02?1:0, (p)&0x01?1:0);
#define ADD_TO_LIST(l, drv) \
{\
lock_kernel();\
(drv)->next = l;\
(drv)->previous = &(l);\
(l) = drv;\
unlock_kernel();\
} while(0)
#define REMOVE_FROM_LIST(drv) \
{\
if ((drv)->previous != NULL) {\
lock_kernel();\
if ((drv)->next != NULL)\
(drv)->next->previous = (drv)->previous;\
*((drv)->previous) = (drv)->next;\
(drv)->previous = NULL;\
(drv)->next = NULL;\
unlock_kernel();\
}\
} while (0)
static inline void cpia_add_to_list(struct cam_data* l, struct cam_data* drv)
{
drv->next = l;
......@@ -423,7 +407,6 @@ static inline void cpia_add_to_list(struct cam_data* l, struct cam_data* drv)
l = drv;
}
static inline void cpia_remove_from_list(struct cam_data* drv)
{
if (drv->previous != NULL) {
......@@ -435,7 +418,6 @@ static inline void cpia_remove_from_list(struct cam_data* drv)
}
}
#endif /* __KERNEL__ */
#endif /* cpia_h */
drivers/media/video/cpia_pp.c
View file @ 70f7a7d6
......@@ -4,7 +4,7 @@
* Supports CPiA based parallel port Video Camera's.
*
* (C) Copyright 1999 Bas Huisman <bhuism@cs.utwente.nl>
* (C) Copyright 1999-2000 Scott J. Bertin <sbertin@mindspring.com>,
* (C) Copyright 1999-2000 Scott J. Bertin <sbertin@securenym.net>,
* (C) Copyright 1999-2000 Peter Pregler <Peter_Pregler@email.com>
*
* This program is free software; you can redistribute it and/or modify
......@@ -341,17 +341,6 @@ static int cpia_pp_streamStop(void *privdata)
return 0;
}
static int cpia_pp_read(struct parport *port, u8 *buffer, int len)
{
int bytes_read, new_bytes;
for(bytes_read=0; bytes_read<len; bytes_read += new_bytes) {
new_bytes = parport_read(port, buffer+bytes_read,
len-bytes_read);
if(new_bytes < 0) break;
}
return bytes_read;
}
/****************************************************************************
*
* cpia_pp_streamRead
......@@ -361,7 +350,7 @@ static int cpia_pp_streamRead(void *privdata, u8 *buffer, int noblock)
{
struct pp_cam_entry *cam = privdata;
int read_bytes = 0;
int i, endseen, block_size, new_bytes;
int i, endseen;
if(cam == NULL) {
DBG("Internal driver error: cam is NULL\n");
......@@ -390,34 +379,24 @@ static int cpia_pp_streamRead(void *privdata, u8 *buffer, int noblock)
return -EIO;
}
}
endseen = 0;
block_size = PARPORT_CHUNK_SIZE;
while( !cam->image_complete ) {
cond_resched();
new_bytes = cpia_pp_read(cam->port, buffer, block_size );
if( new_bytes <= 0 ) {
break;
}
i=-1;
while(++i<new_bytes && endseen<4) {
if(*buffer==EOI) {
endseen++;
} else {
endseen=0;
}
buffer++;
}
read_bytes += i;
if( endseen==4 ) {
cam->image_complete=1;
break;
}
if( CPIA_MAX_IMAGE_SIZE-read_bytes <= PARPORT_CHUNK_SIZE ) {
block_size=CPIA_MAX_IMAGE_SIZE-read_bytes;
}
}
read_bytes = parport_read(cam->port, buffer, CPIA_MAX_IMAGE_SIZE );
EndTransferMode(cam);
DBG("read %d bytes\n", read_bytes);
if( read_bytes<0) return -EIO;
endseen = 0;
for( i=0; i<read_bytes && endseen<4; i++ ) {
if( *buffer==EOI ) {
endseen++;
} else {
endseen=0;
}
buffer++;
}
if( endseen>3 ) {
cam->image_complete=1;
DBG("endseen at %d bytes\n", i);
}
return cam->image_complete ? read_bytes : -EIO;
}
......@@ -716,15 +695,6 @@ void cleanup_module(void)
static int __init cpia_pp_setup(char *str)
{
#if 0
/* Is this only a 2.2ism? -jerdfelt */
if (!str) {
if (ints[0] == 0 || ints[1] == 0) {
/* disable driver on "cpia_pp=" or "cpia_pp=0" */
parport_nr[0] = PPCPIA_PARPORT_OFF;
}
} else
#endif
if (!strncmp(str, "parport", 7)) {
int n = simple_strtoul(str + 7, NULL, 10);
if (parport_ptr < PARPORT_MAX) {
......
drivers/media/video/cpia_usb.c
View file @ 70f7a7d6
......@@ -273,14 +273,16 @@ static int cpia_usb_open(void *privdata)
error_urb1: /* free urb 1 */
usb_free_urb(ucpia->sbuf[1].urb);
ucpia->sbuf[1].urb = NULL;
error_urb0: /* free urb 0 */
usb_free_urb(ucpia->sbuf[0].urb);
ucpia->sbuf[0].urb = NULL;
error_1:
kfree (ucpia->sbuf[1].data);
ucpia->sbuf[1].data = NULL;
error_0:
kfree (ucpia->sbuf[0].data);
ucpia->sbuf[0].data = NULL;
return retval;
}
......@@ -636,8 +638,10 @@ static void cpia_disconnect(struct usb_interface *intf)
ucpia->buffers[0] = NULL;
}
if (!ucpia->open)
kfree(ucpia);
if (!ucpia->open) {
kfree(ucpia);
cam->lowlevel_data = NULL;
}
}
static int __init usb_cpia_init(void)
......
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