V4L/DVB (11458): gspca - m5602-po1030: Set all v4l2 controls at sensor init

Previously many of the v4l2 ctrls were set to their initial values at resume from ram/disk. This patch enforces the values stored in the ctrl cache.
Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/m5602/m5602_po1030.c

@@ -127,7 +127,7 @@ static void po1030_dump_registers(struct sd *sd);
 int po1030_probe(struct sd *sd)
 {
 	u8 prod_id = 0, ver_id = 0, i;
-	s32 *sensor_settings = sd->sensor_priv;
+	s32 *sensor_settings;
 
 	if (force_sensor) {
 		if (force_sensor == PO1030_SENSOR) {
@@ -177,11 +177,16 @@ int po1030_probe(struct sd *sd)
 	for (i = 0; i < ARRAY_SIZE(po1030_ctrls); i++)
 		sensor_settings[i] = po1030_ctrls[i].qctrl.default_value;
 	sd->sensor_priv = sensor_settings;
+
+	if (dump_sensor)
+		po1030_dump_registers(sd);
+
 	return 0;
 }
 
 int po1030_init(struct sd *sd)
 {
+	s32 *sensor_settings = sd->sensor_priv;
 	int i, err = 0;
 
 	/* Init the sensor */
@@ -206,10 +211,33 @@ int po1030_init(struct sd *sd)
 			return -EINVAL;
 		}
 	}
+	if (err < 0)
+		return err;
 
-	if (dump_sensor)
-		po1030_dump_registers(sd);
+	err = po1030_set_exposure(&sd->gspca_dev,
+				   sensor_settings[EXPOSURE_IDX]);
+	if (err < 0)
+		return err;
+
+	err = po1030_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
+	if (err < 0)
+		return err;
+
+	err = po1030_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
+	if (err < 0)
+		return err;
+
+	err = po1030_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
+	if (err < 0)
+		return err;
+
+	err = po1030_set_red_balance(&sd->gspca_dev,
+				      sensor_settings[RED_BALANCE_IDX]);
+	if (err < 0)
+		return err;
 
+	err = po1030_set_red_balance(&sd->gspca_dev,
+				      sensor_settings[BLUE_BALANCE_IDX]);
 	return err;
 }
 

drivers/media/video/gspca/m5602/m5602_po1030.h

@@ -371,6 +371,7 @@ static const unsigned char init_po1030[][4] =
 	{SENSOR, PO1030_GC6, 0xc0},
 	{SENSOR, PO1030_GC7, 0xff},
 	/*end of sequence 4*/
+
 	/*sequence 5*/
 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06},
 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
@@ -396,31 +397,12 @@ static const unsigned char init_po1030[][4] =
 	{BRIDGE, M5602_XB_SIG_INI, 0x00},
 	/*end of sequence 5*/
 	/*sequence 6*/
-	/* Changing 40 in f0 the image becomes green in bayer mode and red in
-	 * rgb mode */
-	{SENSOR, PO1030_RED_GAIN, PO1030_RED_GAIN_DEFAULT},
-	/* in changing 40 in f0 the image becomes green in bayer mode and red in
-	 * rgb mode */
-	{SENSOR, PO1030_BLUE_GAIN, PO1030_BLUE_GAIN_DEFAULT},
 
 	/* with a very low lighted environment increase the exposure but
 	 * decrease the FPS (Frame Per Second) */
 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
 
-	/* Controls high exposure more than SENSOR_LOW_EXPOSURE, use only in
-	 * low lighted environment (f0 is more than ff ?)*/
-	{SENSOR, PO1030_INTEGLINES_H, ((PO1030_EXPOSURE_DEFAULT >> 2)
-		& 0xff)},
-
-	/* Controls middle exposure, use only in high lighted environment */
-	{SENSOR, PO1030_INTEGLINES_M, PO1030_EXPOSURE_DEFAULT & 0xff},
-
-	/* Controls clarity (not sure) */
-	{SENSOR, PO1030_INTEGLINES_L, 0x00},
-	/* Controls gain (the image is more lighted) */
-	{SENSOR, PO1030_GLOBALGAIN, PO1030_GLOBAL_GAIN_DEFAULT},
-
 	/* Sets the width */
 	{SENSOR, PO1030_FRAMEWIDTH_H, 0x02},
 	{SENSOR, PO1030_FRAMEWIDTH_L, 0xef}