From 872099e806b5693df2f7b4876821b9105e8506f8 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sat, 7 Jul 2012 16:47:35 -0300 Subject: [PATCH] [media] gspca_xirlink_cit: Grab backlight compensation control while streaming As it cannot be changed while streaming. Signed-off-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/xirlink_cit.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/gspca/xirlink_cit.c b/drivers/media/video/gspca/xirlink_cit.c index 42d51da..13b8d39 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); -- 2.7.4