V4L/DVB (8812): gspca: Do pac73xx webcams work.
- documentation for some registers
- some preparations for adding autogain_n_exposure functionality
- various pac7311 fixes
- disable brightness and colors controls for 7311
- fix contrast control for 7311
- add hflip and vflip controls for 7311
- minimal jpeg header
- proper SOF detection
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c
index d9668f4..620c963 100644
--- a/drivers/media/video/gspca/pac207.c
+++ b/drivers/media/video/gspca/pac207.c
@@ -181,9 +181,6 @@
/* 48 reg_72 Rate Control end BalSize_4a =0x36 */
static const __u8 PacReg72[] = { 0x00, 0x00, 0x36, 0x00 };
-static const unsigned char pac207_sof_marker[5] =
- { 0xff, 0xff, 0x00, 0xff, 0x96 };
-
static int pac207_write_regs(struct gspca_dev *gspca_dev, u16 index,
const u8 *buffer, u16 length)
{
@@ -367,31 +364,8 @@
sd->autogain_ignore_frames = PAC207_AUTOGAIN_IGNORE_FRAMES;
}
-static unsigned char *pac207_find_sof(struct gspca_dev *gspca_dev,
- unsigned char *m, int len)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int i;
-
- /* Search for the SOF marker (fixed part) in the header */
- for (i = 0; i < len; i++) {
- if (m[i] == pac207_sof_marker[sd->sof_read]) {
- sd->sof_read++;
- if (sd->sof_read == sizeof(pac207_sof_marker)) {
- PDEBUG(D_STREAM,
- "SOF found, bytes to analyze: %u."
- " Frame starts at byte #%u",
- len, i + 1);
- sd->sof_read = 0;
- return m + i + 1;
- }
- } else {
- sd->sof_read = 0;
- }
- }
-
- return NULL;
-}
+/* Include pac common sof detection functions */
+#include "pac_common.h"
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
struct gspca_frame *frame,
@@ -401,14 +375,14 @@
struct sd *sd = (struct sd *) gspca_dev;
unsigned char *sof;
- sof = pac207_find_sof(gspca_dev, data, len);
+ sof = pac_find_sof(gspca_dev, data, len);
if (sof) {
int n;
/* finish decoding current frame */
n = sof - data;
- if (n > sizeof pac207_sof_marker)
- n -= sizeof pac207_sof_marker;
+ if (n > sizeof pac_sof_marker)
+ n -= sizeof pac_sof_marker;
else
n = 0;
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,