V4L/DVB (13448): gspca - main: Add a gspca flag for inactive controls.
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/gspca.c b/drivers/media/video/gspca/gspca.c
index 6915db2..369eddd 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1158,10 +1158,13 @@
}
} else {
ctrls = get_ctrl(gspca_dev, id);
+ i = ctrls - gspca_dev->sd_desc->ctrls;
}
if (ctrls == NULL)
return -EINVAL;
memcpy(q_ctrl, ctrls, sizeof *q_ctrl);
+ if (gspca_dev->ctrl_inac & (1 << i))
+ q_ctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
}
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 1d761d7..d59a684 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -143,6 +143,7 @@
struct cam cam; /* device information */
const struct sd_desc *sd_desc; /* subdriver description */
unsigned ctrl_dis; /* disabled controls (bit map) */
+ unsigned ctrl_inac; /* inactive controls (bit map) */
#define USB_BUF_SZ 64
__u8 *usb_buf; /* buffer for USB exchanges */