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authorTheodore Kilgore <kilgota@banach.math.auburn.edu>2009-10-30 04:43:39 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-05 18:41:06 -0200
commit64f4d9a367b4fe329ba78e3171d1abb1338a951f (patch)
tree1ea9775ea1fb99dc4188e3d9cb00abf178a6bf6c /drivers/media/video/gspca/mr97310a.c
parent1160a3818ec387ddadfd173b3bceea654a474b74 (diff)
V4L/DVB (13245): gspca_mr97310a: Change blue gain setting for Sakar Digital VGA camera
gspca_mr97310a: Change blue gain setting for Sakar Digital VGA camera Signed-off-by: Theodore Kilgore <kilgota@banach.math.auburn.edu> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/mr97310a.c')
-rw-r--r--drivers/media/video/gspca/mr97310a.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c
index b66169256dc..a97061a9e44 100644
--- a/drivers/media/video/gspca/mr97310a.c
+++ b/drivers/media/video/gspca/mr97310a.c
@@ -78,6 +78,7 @@ struct sd {
u8 cam_type; /* 0 is CIF and 1 is VGA */
u8 sensor_type; /* We use 0 and 1 here, too. */
u8 do_lcd_stop;
+ u8 adj_colors;
int brightness;
u16 exposure;
@@ -525,6 +526,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->sensor_type = 1;
sd->do_lcd_stop = 0;
+ sd->adj_colors = 0;
if ((gspca_dev->usb_buf[0] != 0x03) &&
(gspca_dev->usb_buf[0] != 0x04)) {
PDEBUG(D_ERR, "Unknown VGA Sensor id Byte 0: %02x",
@@ -532,6 +534,10 @@ static int sd_config(struct gspca_dev *gspca_dev,
PDEBUG(D_ERR, "Defaults assumed, may not work");
PDEBUG(D_ERR, "Please report this");
}
+ /* Sakar Digital color needs to be adjusted. */
+ if ((gspca_dev->usb_buf[0] == 0x03) &&
+ (gspca_dev->usb_buf[1] == 0x50))
+ sd->adj_colors = 1;
if (gspca_dev->usb_buf[0] == 0x04) {
sd->do_lcd_stop = 1;
switch (gspca_dev->usb_buf[1]) {
@@ -759,9 +765,20 @@ static int start_vga_cam(struct gspca_dev *gspca_dev)
err_code = sensor_write_regs(gspca_dev, vga_sensor0_init_data,
ARRAY_SIZE(vga_sensor0_init_data));
} else { /* sd->sensor_type = 1 */
- const struct sensor_w_data vga_sensor1_init_data[] = {
+ const struct sensor_w_data color_adj[] = {
+ {0x02, 0x00, {0x06, 0x59, 0x0c, 0x16, 0x00,
+ /* adjusted blue, green, red gain correct
+ too much blue from the Sakar Digital */
+ 0x05, 0x01, 0x05}, 8}
+ };
+
+ const struct sensor_w_data color_no_adj[] = {
{0x02, 0x00, {0x06, 0x59, 0x0c, 0x16, 0x00,
- 0x07, 0x00, 0x01}, 8},
+ /* default blue, green, red gain settings */
+ 0x07, 0x00, 0x01}, 8}
+ };
+
+ const struct sensor_w_data vga_sensor1_init_data[] = {
{0x11, 0x04, {0x01}, 1},
/*{0x0a, 0x00, {0x00, 0x01, 0x00, 0x00, 0x01, */
{0x0a, 0x00, {0x01, 0x06, 0x00, 0x00, 0x01,
@@ -771,6 +788,17 @@ static int start_vga_cam(struct gspca_dev *gspca_dev)
{0x11, 0x04, {0x01}, 1},
{0, 0, {0}, 0}
};
+
+ if (sd->adj_colors)
+ err_code = sensor_write_regs(gspca_dev, color_adj,
+ ARRAY_SIZE(color_adj));
+ else
+ err_code = sensor_write_regs(gspca_dev, color_no_adj,
+ ARRAY_SIZE(color_no_adj));
+
+ if (err_code < 0)
+ return err_code;
+
err_code = sensor_write_regs(gspca_dev, vga_sensor1_init_data,
ARRAY_SIZE(vga_sensor1_init_data));
}