Okay, I have slightly modified the attached version of palmod.o (which should be placed in /lib/modules) so that it will only reset the picture settings when channels (or inputs) are changed. This means that you will be able to use iicset commands to adjust the brightness, contrast and saturation settings in real-time. However as soon as you change the channels it will reset to the values loaded from the /etc/palmod.config file during system startup (this allows you to use different values for the tuner and A/V inputs).
Once you have found the correct settings for your particular system setup then you can use the palmod_config command to adjust the correct values and restart your TiVo.
The following will set the Brightness to 125:
The following will set the Contrast to 67:Code:# iicset 0x42 0x0a 125
The following will set the Saturation to 85:Code:# iicset 0x42 0x0b 67
Code:# iicset 0x42 0x0c 85
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