V4L/DVB (13564): gspca - main: Implement vidioc_enum_frameintervals.

Some drivers support multiple frameintervals (framerates), make gspca able to
enumerate them.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 181617355ec3..a55c0a04ecf7 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -45,11 +45,20 @@ extern int gspca_debug;
 /* image transfers */
 #define MAX_NURBS 4             /* max number of URBs */
 
+
+/* used to list framerates supported by a camera mode (resolution) */
+struct framerates {
+        int *rates;
+        int nrates;
+};
+
 /* device information - set at probe time */
 struct cam {
         int bulk_size;          /* buffer size when image transfer by bulk */
         const struct v4l2_pix_format *cam_mode; /* size nmodes */
         char nmodes;
+        const struct framerates *mode_framerates; /* must have size nmode,
+                                                   * just like cam_mode */
         __u8 bulk_nurbs;        /* number of URBs in bulk mode
                                  * - cannot be > MAX_NURBS
                                  * - when 0 and bulk_size != 0 means