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https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-31 08:08:51 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
240
drivers/media/usb/gspca/gspca.h
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240
drivers/media/usb/gspca/gspca.h
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#ifndef GSPCAV2_H
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#define GSPCAV2_H
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/usb.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include <linux/mutex.h>
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/* GSPCA debug codes */
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#define D_PROBE 1
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#define D_CONF 2
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#define D_STREAM 3
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#define D_FRAM 4
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#define D_PACK 5
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#define D_USBI 6
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#define D_USBO 7
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extern int gspca_debug;
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#define PDEBUG(level, fmt, ...) \
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v4l2_dbg(level, gspca_debug, &gspca_dev->v4l2_dev, fmt, ##__VA_ARGS__)
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#define PERR(fmt, ...) \
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v4l2_err(&gspca_dev->v4l2_dev, fmt, ##__VA_ARGS__)
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#define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */
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/* image transfers */
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#define MAX_NURBS 4 /* max number of URBs */
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/* used to list framerates supported by a camera mode (resolution) */
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struct framerates {
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const u8 *rates;
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int nrates;
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};
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/* device information - set at probe time */
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struct cam {
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const struct v4l2_pix_format *cam_mode; /* size nmodes */
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const struct framerates *mode_framerates; /* must have size nmodes,
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* just like cam_mode */
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u32 bulk_size; /* buffer size when image transfer by bulk */
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u32 input_flags; /* value for ENUM_INPUT status flags */
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u8 nmodes; /* size of cam_mode */
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u8 no_urb_create; /* don't create transfer URBs */
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u8 bulk_nurbs; /* number of URBs in bulk mode
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* - cannot be > MAX_NURBS
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* - when 0 and bulk_size != 0 means
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* 1 URB and submit done by subdriver */
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u8 bulk; /* image transfer by 0:isoc / 1:bulk */
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u8 npkt; /* number of packets in an ISOC message
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* 0 is the default value: 32 packets */
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u8 needs_full_bandwidth;/* Set this flag to notify the bandwidth calc.
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* code that the cam fills all image buffers to
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* the max, even when using compression. */
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};
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struct gspca_dev;
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struct gspca_frame;
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/* subdriver operations */
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typedef int (*cam_op) (struct gspca_dev *);
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typedef void (*cam_v_op) (struct gspca_dev *);
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typedef int (*cam_cf_op) (struct gspca_dev *, const struct usb_device_id *);
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typedef int (*cam_get_jpg_op) (struct gspca_dev *,
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struct v4l2_jpegcompression *);
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typedef int (*cam_set_jpg_op) (struct gspca_dev *,
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const struct v4l2_jpegcompression *);
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typedef int (*cam_get_reg_op) (struct gspca_dev *,
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struct v4l2_dbg_register *);
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typedef int (*cam_set_reg_op) (struct gspca_dev *,
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const struct v4l2_dbg_register *);
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typedef int (*cam_chip_info_op) (struct gspca_dev *,
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struct v4l2_dbg_chip_info *);
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typedef void (*cam_streamparm_op) (struct gspca_dev *,
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struct v4l2_streamparm *);
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typedef void (*cam_pkt_op) (struct gspca_dev *gspca_dev,
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u8 *data,
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int len);
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typedef int (*cam_int_pkt_op) (struct gspca_dev *gspca_dev,
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u8 *data,
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int len);
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typedef void (*cam_format_op) (struct gspca_dev *gspca_dev,
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struct v4l2_format *fmt);
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typedef int (*cam_frmsize_op) (struct gspca_dev *gspca_dev,
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struct v4l2_frmsizeenum *fsize);
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/* subdriver description */
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struct sd_desc {
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/* information */
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const char *name; /* sub-driver name */
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/* mandatory operations */
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cam_cf_op config; /* called on probe */
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cam_op init; /* called on probe and resume */
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cam_op init_controls; /* called on probe */
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cam_op start; /* called on stream on after URBs creation */
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cam_pkt_op pkt_scan;
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/* optional operations */
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cam_op isoc_init; /* called on stream on before getting the EP */
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cam_op isoc_nego; /* called when URB submit failed with NOSPC */
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cam_v_op stopN; /* called on stream off - main alt */
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cam_v_op stop0; /* called on stream off & disconnect - alt 0 */
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cam_v_op dq_callback; /* called when a frame has been dequeued */
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cam_get_jpg_op get_jcomp;
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cam_set_jpg_op set_jcomp;
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cam_streamparm_op get_streamparm;
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cam_streamparm_op set_streamparm;
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cam_format_op try_fmt;
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cam_frmsize_op enum_framesizes;
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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cam_set_reg_op set_register;
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cam_get_reg_op get_register;
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cam_chip_info_op get_chip_info;
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#endif
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#if IS_ENABLED(CONFIG_INPUT)
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cam_int_pkt_op int_pkt_scan;
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/* other_input makes the gspca core create gspca_dev->input even when
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int_pkt_scan is NULL, for cams with non interrupt driven buttons */
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u8 other_input;
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#endif
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};
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/* packet types when moving from iso buf to frame buf */
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enum gspca_packet_type {
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DISCARD_PACKET,
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FIRST_PACKET,
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INTER_PACKET,
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LAST_PACKET
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};
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struct gspca_frame {
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__u8 *data; /* frame buffer */
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int vma_use_count;
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struct v4l2_buffer v4l2_buf;
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};
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struct gspca_dev {
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struct video_device vdev; /* !! must be the first item */
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struct module *module; /* subdriver handling the device */
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struct v4l2_device v4l2_dev;
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struct usb_device *dev;
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struct file *capt_file; /* file doing video capture */
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/* protected by queue_lock */
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#if IS_ENABLED(CONFIG_INPUT)
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struct input_dev *input_dev;
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char phys[64]; /* physical device path */
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#endif
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struct cam cam; /* device information */
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const struct sd_desc *sd_desc; /* subdriver description */
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struct v4l2_ctrl_handler ctrl_handler;
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/* autogain and exposure or gain control cluster, these are global as
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the autogain/exposure functions in autogain_functions.c use them */
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struct {
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struct v4l2_ctrl *autogain;
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struct v4l2_ctrl *exposure;
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struct v4l2_ctrl *gain;
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int exp_too_low_cnt, exp_too_high_cnt;
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};
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#define USB_BUF_SZ 64
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__u8 *usb_buf; /* buffer for USB exchanges */
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struct urb *urb[MAX_NURBS];
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#if IS_ENABLED(CONFIG_INPUT)
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struct urb *int_urb;
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#endif
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__u8 *frbuf; /* buffer for nframes */
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struct gspca_frame frame[GSPCA_MAX_FRAMES];
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u8 *image; /* image beeing filled */
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__u32 frsz; /* frame size */
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u32 image_len; /* current length of image */
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atomic_t fr_q; /* next frame to queue */
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atomic_t fr_i; /* frame being filled */
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signed char fr_queue[GSPCA_MAX_FRAMES]; /* frame queue */
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char nframes; /* number of frames */
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u8 fr_o; /* next frame to dequeue */
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__u8 last_packet_type;
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__s8 empty_packet; /* if (-1) don't check empty packets */
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__u8 streaming; /* protected by both mutexes (*) */
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__u8 curr_mode; /* current camera mode */
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struct v4l2_pix_format pixfmt; /* current mode parameters */
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__u32 sequence; /* frame sequence number */
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wait_queue_head_t wq; /* wait queue */
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struct mutex usb_lock; /* usb exchange protection */
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struct mutex queue_lock; /* ISOC queue protection */
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int usb_err; /* USB error - protected by usb_lock */
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u16 pkt_size; /* ISOC packet size */
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#ifdef CONFIG_PM
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char frozen; /* suspend - resume */
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#endif
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char present; /* device connected */
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char nbufread; /* number of buffers for read() */
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char memory; /* memory type (V4L2_MEMORY_xxx) */
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__u8 iface; /* USB interface number */
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__u8 alt; /* USB alternate setting */
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int xfer_ep; /* USB transfer endpoint address */
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u8 audio; /* presence of audio device */
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/* (*) These variables are proteced by both usb_lock and queue_lock,
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that is any code setting them is holding *both*, which means that
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any code getting them needs to hold at least one of them */
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};
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int gspca_dev_probe(struct usb_interface *intf,
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const struct usb_device_id *id,
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const struct sd_desc *sd_desc,
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int dev_size,
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struct module *module);
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int gspca_dev_probe2(struct usb_interface *intf,
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const struct usb_device_id *id,
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const struct sd_desc *sd_desc,
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int dev_size,
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struct module *module);
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void gspca_disconnect(struct usb_interface *intf);
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void gspca_frame_add(struct gspca_dev *gspca_dev,
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enum gspca_packet_type packet_type,
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const u8 *data,
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int len);
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#ifdef CONFIG_PM
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int gspca_suspend(struct usb_interface *intf, pm_message_t message);
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int gspca_resume(struct usb_interface *intf);
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#endif
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int gspca_expo_autogain(struct gspca_dev *gspca_dev, int avg_lum,
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int desired_avg_lum, int deadzone, int gain_knee, int exposure_knee);
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int gspca_coarse_grained_expo_autogain(struct gspca_dev *gspca_dev,
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int avg_lum, int desired_avg_lum, int deadzone);
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#endif /* GSPCAV2_H */
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