[media] gspca_pac207: Raise max exposure + various autogain setting tweaks

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c
index 1600df1..1d95ec8 100644 (file)
--- a/drivers/media/video/gspca/pac207.c
+++ b/drivers/media/video/gspca/pac207.c
@@ -41,14 +41,14 @@ MODULE_LICENSE("GPL");
 #define PAC207_BRIGHTNESS_DEFAULT      46
 
 #define PAC207_EXPOSURE_MIN            3
-#define PAC207_EXPOSURE_MAX            26
+#define PAC207_EXPOSURE_MAX            90 /* 1 sec expo time / 1 fps */
 #define PAC207_EXPOSURE_DEFAULT                5 /* power on default: 3 */
-#define PAC207_EXPOSURE_KNEE           8 /* 4 = 30 fps, 11 = 8, 15 = 6 */
+#define PAC207_EXPOSURE_KNEE           9 /* fps: 90 / exposure -> 9: 10 fps */
 
 #define PAC207_GAIN_MIN                        0
 #define PAC207_GAIN_MAX                        31
-#define PAC207_GAIN_DEFAULT            9 /* power on default: 9 */
-#define PAC207_GAIN_KNEE               31
+#define PAC207_GAIN_DEFAULT            7 /* power on default: 9 */
+#define PAC207_GAIN_KNEE               15
 
 #define PAC207_AUTOGAIN_DEADZONE       30
 
@@ -332,7 +332,7 @@ static void pac207_do_auto_gain(struct gspca_dev *gspca_dev)
        if (sd->autogain_ignore_frames > 0)
                sd->autogain_ignore_frames--;
        else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
-                       100, PAC207_AUTOGAIN_DEADZONE,
+                       90, PAC207_AUTOGAIN_DEADZONE,
                        PAC207_GAIN_KNEE, PAC207_EXPOSURE_KNEE))
                sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
 }