http://bugzilla.kernel.org/show_bug.cgi?id=5155
------- Comment #23 from [EMAIL PROTECTED] 2007-09-27 20:17 -------
Hi, Len,
I don't have any DELL laptops on hand.
Can you help me do some tests to see if _DSS methods can work on HP laptops
please?
1. If the laptop have S3 video issue,
can "echo 0x80000001 > /proc/acpi/video/LCD/state" poll the screen back
after resume?
2. For multiple displays, what do you see by "cat /proc/acpi/video/*/state"?
can the LCD/CRT be actived/inactived by poking
/proc/acpi/video/LCD(CRT)/state?
PS: echo 0x80000001 should active the display and
echo 0x80000000 should inactive the display.
I did these tests on other laptops like hp and thinkpad,
and _DSS failed to work. :(
This makes me doubt of the usability of _DSS methods.
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