gspca_cpia1: Disable illuminator controls if not an Intel Play QX3

The illuminator controls should only be available to the user for the Intel
Play QX3 microscope.

Signed-off-by: Andy Walls <awa...@md.metrocast.net>

diff -r d165649ca8a0 -r 32d5c323c541 linux/drivers/media/video/gspca/cpia1.c
--- a/linux/drivers/media/video/gspca/cpia1.c   Sat Sep 11 14:15:26 2010 -0400
+++ b/linux/drivers/media/video/gspca/cpia1.c   Sat Sep 11 21:15:03 2010 -0400
@@ -1743,6 +1743,22 @@
        do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0);
 }
 
+static void sd_disable_qx3_ctrls(struct gspca_dev *gspca_dev)
+{
+       int i, n;
+       __u32 id;
+
+       n = ARRAY_SIZE(sd_ctrls);
+       for (i = 0; i < n; i++) {
+               id = sd_ctrls[i].qctrl.id;
+
+               if (id == V4L2_CID_ILLUMINATORS_1 ||
+                   id == V4L2_CID_ILLUMINATORS_2) {
+                       gspca_dev->ctrl_dis |= (1 << i);
+               }
+       }
+}
+
 /* this function is called at probe and resume time */
 static int sd_init(struct gspca_dev *gspca_dev)
 {
@@ -1758,6 +1774,9 @@
 
        sd_stopN(gspca_dev);
 
+       if (!sd->params.qx3.qx3_detected)
+               sd_disable_qx3_ctrls(gspca_dev);
+
        PDEBUG(D_PROBE, "CPIA Version:             %d.%02d (%d.%d)",
                        sd->params.version.firmwareVersion,
                        sd->params.version.firmwareRevision,




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