---

yaml
---
r: 161591
b: refs/heads/master
c: 0e4a909
h: refs/heads/master
i:
  161589: a35a7de
  161587: 813a56a
  161583: 0da3937
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c529e556f64951a9d50f39e39c4be04ae43f5499
+refs/heads/master: 0e4a90993dceffa881ee6d42266eb3080b7fad04

trunk/drivers/media/video/gspca/pac207.c

@@ -35,25 +35,17 @@ MODULE_LICENSE("GPL");
 
 #define PAC207_BRIGHTNESS_MIN		0
 #define PAC207_BRIGHTNESS_MAX		255
-#define PAC207_BRIGHTNESS_DEFAULT	4 /* power on default: 4 */
-
-/* An exposure value of 4 also works (3 does not) but then we need to lower
-   the compression balance setting when in 352x288 mode, otherwise the usb
-   bandwidth is not enough and packets get dropped resulting in corrupt
-   frames. The problem with this is that when the compression balance gets
-   lowered below 0x80, the pac207 starts using a different compression
-   algorithm for some lines, these lines get prefixed with a 0x2dd2 prefix
-   and currently we do not know how to decompress these lines, so for now
-   we use a minimum exposure value of 5 */
-#define PAC207_EXPOSURE_MIN		5
+#define PAC207_BRIGHTNESS_DEFAULT	46
+
+#define PAC207_EXPOSURE_MIN		3
 #define PAC207_EXPOSURE_MAX		26
-#define PAC207_EXPOSURE_DEFAULT		5 /* power on default: 3 ?? */
-#define PAC207_EXPOSURE_KNEE		11 /* 4 = 30 fps, 11 = 8, 15 = 6 */
+#define PAC207_EXPOSURE_DEFAULT		5 /* power on default: 3 */
+#define PAC207_EXPOSURE_KNEE		8 /* 4 = 30 fps, 11 = 8, 15 = 6 */
 
 #define PAC207_GAIN_MIN			0
 #define PAC207_GAIN_MAX			31
 #define PAC207_GAIN_DEFAULT         	9 /* power on default: 9 */
-#define PAC207_GAIN_KNEE		20
+#define PAC207_GAIN_KNEE		31
 
 #define PAC207_AUTOGAIN_DEADZONE	30
 
@@ -166,8 +158,8 @@ static const struct v4l2_pix_format sif_mode[] = {
 };
 
 static const __u8 pac207_sensor_init[][8] = {
-	{0x10, 0x12, 0x0d, 0x12, 0x0c, 0x01, 0x29, 0xf0},
-	{0x00, 0x64, 0x64, 0x64, 0x04, 0x10, 0xf0, 0x30},
+	{0x10, 0x12, 0x0d, 0x12, 0x0c, 0x01, 0x29, 0x84},
+	{0x49, 0x64, 0x64, 0x64, 0x04, 0x10, 0xf0, 0x30},
 	{0x00, 0x00, 0x00, 0x70, 0xa0, 0xf8, 0x00, 0x00},
 	{0x32, 0x00, 0x96, 0x00, 0xA2, 0x02, 0xaf, 0x00},
 };
@@ -290,7 +282,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	if (gspca_dev->width == 176)
 		pac207_write_reg(gspca_dev, 0x4a, 0xff);
 	else
-		pac207_write_reg(gspca_dev, 0x4a, 0x88);
+		pac207_write_reg(gspca_dev, 0x4a, 0x30);
 	pac207_write_reg(gspca_dev, 0x4b, 0x00); /* Sram test value */
 	pac207_write_reg(gspca_dev, 0x08, sd->brightness);
 
@@ -339,7 +331,7 @@ 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 + sd->brightness / 2, PAC207_AUTOGAIN_DEADZONE,
+			100, PAC207_AUTOGAIN_DEADZONE,
 			PAC207_GAIN_KNEE, PAC207_EXPOSURE_KNEE))
 		sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
 }