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authorHans de Goede <hdegoede@redhat.com>2012-07-07 16:47:35 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-07-30 18:41:53 -0300
commit872099e806b5693df2f7b4876821b9105e8506f8 (patch)
treefee06df83331a4d6c397c2aadabfc306673c2edc
parent1ea172d2fddcf7c5859a0f90db5caca6f29e28ae (diff)
[media] gspca_xirlink_cit: Grab backlight compensation control while streaming
As it cannot be changed while streaming. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/gspca/xirlink_cit.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/xirlink_cit.c b/drivers/media/video/gspca/xirlink_cit.c
index 42d51dadb46b..13b8d395d210 100644
--- a/drivers/media/video/gspca/xirlink_cit.c
+++ b/drivers/media/video/gspca/xirlink_cit.c
@@ -1914,9 +1914,10 @@ static int cit_start_model2(struct gspca_dev *gspca_dev)
break;
}
- /* FIXME this cannot be changed while streaming, so we
- should report a grabbed flag for this control. */
cit_model2_Packet1(gspca_dev, 0x0028, v4l2_ctrl_g_ctrl(sd->lighting));
+ /* model2 cannot change the backlight compensation while streaming */
+ v4l2_ctrl_grab(sd->lighting, true);
+
/* color balance rg2 */
cit_model2_Packet1(gspca_dev, 0x001e, 0x002f);
/* saturation */
@@ -2715,6 +2716,8 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
cit_write_reg(gspca_dev, 0x81, 0x0100); /* LED Off */
break;
case CIT_MODEL2:
+ v4l2_ctrl_grab(sd->lighting, false);
+ /* Fall through! */
case CIT_MODEL4:
cit_model2_Packet1(gspca_dev, 0x0030, 0x0004);