|
Command Name
|
Permission
|
Description
|
|
hdmi_info
|
Read-Only by all
|
Shows detected stream properties
|
|
hdmi_log
|
Read-Only by all
|
Shows event logs captured by the driver
|
|
hdcp_log
|
Read-Only by all
|
Shows event logs captured by the driver
|
|
hdcp_debug
|
Write-Only by group
and owner
|
1: Enable detailed logging of hdcp events
0: Disable detailed logging of hdcp events
(0 is the default)
|
|
hdcp_authenticated
|
Read-Only by all
|
1: Authentication successful
0: Un-authenticated
|
|
hdcp_encrypted
|
Read-Only by all
|
1: Input stream is encrypted
0: Input stream is unencrypted
|
|
hdcp_key
|
R/W by owner only
|
Allows owner to write the HDCP key binary data (read from EEPROM) to IP
|
|
hdcp_password
|
R/W by owner only
|
Allows owner to set a password for the hdcp key in eeprom. After writing (first) password
and (then) key, upon reading back hdcp_password it returns "accepted" when the password
could decrypt the key. It reads back "rejected" in all other cases.
|
|
vphy_info
|
Read-Only by all
|
Shows video_phy status for both Rx and Tx
|
|
vphy_log
|
Read-Only by all
|
Shows event logs captured by both Rx and Tx
|
/
For ex:
To read out information on detected stream
%> cat /sys/devices/platform/amba_pl\@0/<device_addr>/hdmi_info
To enable detailed logging of hdcp events
%> echo 1 > /sys/devices/platform/amba_pl\@0/<device_addr>/hdcp_debug