Chrontel CH7315/CH7319/CH7320 Port Driver Attributes
Note:For
flat panel backlight timing settings, please see the Intel®
Embedded Media and Graphics Driver User Guide.
Chrontel CH7317b Port Driver Attributes
The table below shows the attributes for the Chrontel
CH7317b port driver.
Chrontel CH7317b Port Driver Attributes
Attribute Name
Attribute ID
Description
Possible Ranges
VGA BYPASS
9
Enables VGA bypass. To enable VGA Bypass, this configuration
setting line must exist in the configuration file with the value of 2.
Attribute 9 is used to enable selection of several possible display types
based on what was supported on an SDVO device as defined in SDVO specifications.
Default value of 2 represent VGA display.
1) Enable VGA Bypass
Chrontel CH7022 Port Driver Attributes
The table below shows the attributes for the Chrontel
CH7022 port driver.
Chrontel CH7022 Port Driver Attributes
Attribute Name
Attribute ID
Description
Possible Ranges
DISPLAY TYPE
9
Allows selection of different displays for multi-display
devices. This attribute is device-specific.
Note:TV Out is not available with VBIOS.
1) VGA Bypass (2)
2) Composite (4)
3) S-Video (8)
4) YPrPb (16)
BRIGHTNESS
0
Brightness adjustment.
0-255
SATURATION
15
Saturation adjustment.
0-127
HUE
2
Hue adjustment.
0-127
CONTRAST
1
Contrast adjustment.
0-127
HORIZONTAL OVERSCAN
41
Horizontal overscan.
0-47
VERTICAL OVERSCAN
42
Vertical overscan.
0-47
VERTICAL POSITION/VPOSITION
5
Controls the vertical position of the display.
0-1023
SHARPNESS
31
Sharpness.
0-7
TV CHROMA FILTER
11
ChromaFilter adjustment.
0-3
TV LUMA FILTER
10
TV Luma Filter adjustment.
0-2
ADAPTIVE FLICKER FILTER
40
Adaptive flicker.
0-7
DOT CRAWL
44
Dot crawl affects the edges of color and manifests
itself as moving dots of color along these edges.
1) Have Dot Crawl Run Freely (0)
2) Freeze Dot Crawl (1)
TV OUTPUT FORMAT
8
TV formats are device-specific.
Refer to the Attributes Page for the complete list
of choices.
ANALOG SOURCE
52
VGA
1) No Data (0)
2) Analog Source (1)
3) Pre-recorded Packaged (2)
4) Not Analog Pre-recorded (3)
SCAN INFORMATION
53
TV attributes are device specific.
1) No Data (0)
2) Overscanned (1)
3) Under scanned (2)
PICTURE ASPECT RATIO
54
The relative horizontal and vertical sizes.
1) No Data (0)
2) 4:3 (1)
3) 16:9 (2)
ACTIVE FORMAT RATIO
55
Output ratio.
1) No Data (0)
2) Active Format (1)
3) Square Pixels(8)
4) 4:3 Center (9)
5) 16:9 Center (10)
6) 14:9 Center (11)
7) 16:9 Letterbox (Top)(2)
8) 14:9 Letterbox (Top)(3)
9) 16:9 Letterbox (Center)
10) 4:3 (with shoot and protect 14:9 center)
11) 16:9 (with shoot and protect 14:9 center) (10610)
12) 16:9 (with shoot and protect 4:3 center)
*Other names and brands may be claimed as the property of others. Revised June 20, 2011