V4L/DVB (12693): gspca - sunplus: The brightness is signed.

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/sunplus.c b/drivers/media/video/gspca/sunplus.c
index ffbe3f625ddbec83bcca16fa4acc5596544c44ad..aa8f995ce04ec1f263df04e1b123923fc2689ca8 100644 (file)
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -32,7 +32,7 @@ MODULE_LICENSE("GPL");
 struct sd {
        struct gspca_dev gspca_dev;     /* !! must be the first item */
 
-       u8 brightness;
+       s8 brightness;
        u8 contrast;
        u8 colors;
        u8 autogain;
@@ -73,8 +73,8 @@ static struct ctrl sd_ctrls[] = {
                .id      = V4L2_CID_BRIGHTNESS,
                .type    = V4L2_CTRL_TYPE_INTEGER,
                .name    = "Brightness",
-               .minimum = 0,
-               .maximum = 0xff,
+               .minimum = -128,
+               .maximum = 127,
                .step    = 1,
 #define BRIGHTNESS_DEF 0
                .default_value = BRIGHTNESS_DEF,