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author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-09 01:49:58 +0200 |
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committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-09 02:14:15 +0200 |
commit | d9a145fb6e5f37b9903dea8371ab5c3e34e8e2d1 (patch) | |
tree | e2b4bb46fa00f0ad20447e40dba6fb21a4ae0815 /drivers/media/video/gspca/pac7311.c | |
parent | autofs/autofs4: Move compat_ioctl handling into fs (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile (diff) | |
download | linux-d9a145fb6e5f37b9903dea8371ab5c3e34e8e2d1.tar.xz linux-d9a145fb6e5f37b9903dea8371ab5c3e34e8e2d1.zip |
Merge commit 'linus/master' into bkl/core
Merge reason: The staging tree has introduced the easycap
driver lately. We need the latest updates to pushdown the
bkl in its ioctl helper.
Diffstat (limited to 'drivers/media/video/gspca/pac7311.c')
-rw-r--r-- | drivers/media/video/gspca/pac7311.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c index 44fed9686729..1cb7e99e92bd 100644 --- a/drivers/media/video/gspca/pac7311.c +++ b/drivers/media/video/gspca/pac7311.c @@ -270,7 +270,7 @@ static void reg_w_buf(struct gspca_dev *gspca_dev, memcpy(gspca_dev->usb_buf, buffer, len); ret = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), - 1, /* request */ + 0, /* request */ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, /* value */ index, gspca_dev->usb_buf, len, @@ -599,7 +599,6 @@ static const unsigned char pac_jpeg_header2[] = { }; static void pac_start_frame(struct gspca_dev *gspca_dev, - struct gspca_frame *frame, __u16 lines, __u16 samples_per_line) { unsigned char tmpbuf[4]; @@ -624,19 +623,13 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, int len) /* iso packet length */ { struct sd *sd = (struct sd *) gspca_dev; + u8 *image; unsigned char *sof; - struct gspca_frame *frame; sof = pac_find_sof(&sd->sof_read, data, len); if (sof) { int n, lum_offset, footer_length; - frame = gspca_get_i_frame(gspca_dev); - if (frame == NULL) { - gspca_dev->last_packet_type = DISCARD_PACKET; - return; - } - /* 6 bytes after the FF D9 EOF marker a number of lumination bytes are send corresponding to different parts of the image, the 14th and 15th byte after the EOF seem to @@ -647,16 +640,16 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, /* Finish decoding current frame */ n = (sof - data) - (footer_length + sizeof pac_sof_marker); if (n < 0) { - frame->data_end += n; + gspca_dev->image_len += n; n = 0; + } else { + gspca_frame_add(gspca_dev, INTER_PACKET, data, n); } - gspca_frame_add(gspca_dev, INTER_PACKET, - data, n); - if (gspca_dev->last_packet_type != DISCARD_PACKET && - frame->data_end[-2] == 0xff && - frame->data_end[-1] == 0xd9) - gspca_frame_add(gspca_dev, LAST_PACKET, - NULL, 0); + image = gspca_dev->image; + if (image != NULL + && image[gspca_dev->image_len - 2] == 0xff + && image[gspca_dev->image_len - 1] == 0xd9) + gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); n = sof - data; len -= n; @@ -671,7 +664,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, atomic_set(&sd->avg_lum, -1); /* Start the new frame with the jpeg header */ - pac_start_frame(gspca_dev, frame, + pac_start_frame(gspca_dev, gspca_dev->height, gspca_dev->width); } gspca_frame_add(gspca_dev, INTER_PACKET, data, len); |