V4L/DVB (8825): gspca: More controls for pac73xx and new webcam 093a:2624.

-Add usb id for 093a:2624 (pac7302)
-Report some controls to userspace with 7302 only, as they are 7302 only
-Add gain and exposure controls
-Add autogain
-Fix 7302 imaged being mirrored by default

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>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/media/video/gspca/pac_common.h b/drivers/media/video/gspca/pac_common.h
index a19b5d44c009..34d4b1494cd5 100644
--- a/drivers/media/video/gspca/pac_common.h
+++ b/drivers/media/video/gspca/pac_common.h
@@ -23,6 +23,13 @@
  *
  */
 
+/* We calculate the autogain at the end of the transfer of a frame, at this
+   moment a frame with the old settings is being transmitted, and a frame is
+   being captured with the old settings. So if we adjust the autogain we must
+   ignore atleast the 2 next frames for the new settings to come into effect
+   before doing any other adjustments */
+#define PAC_AUTOGAIN_IGNORE_FRAMES      3
+
 static const unsigned char pac_sof_marker[5] =
                 { 0xff, 0xff, 0x00, 0xff, 0x96 };
 
@@ -37,7 +44,7 @@ static unsigned char *pac_find_sof(struct gspca_dev *gspca_dev,
                 if (m[i] == pac_sof_marker[sd->sof_read]) {
                         sd->sof_read++;
                         if (sd->sof_read == sizeof(pac_sof_marker)) {
-                                PDEBUG(D_STREAM,
+                                PDEBUG(D_FRAM,
                                         "SOF found, bytes to analyze: %u."
                                         " Frame starts at byte #%u",
                                         len, i + 1);