web_CH7315-7319-7320_port_attrib

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)




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Revised June 20, 2011