<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="https://bugs.freedesktop.org/show_bug.cgi?id=31122#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="https://bugs.freedesktop.org/show_bug.cgi?id=31122">bug 31122</a> from <a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> Ilia Mirkin</a> <pre>(In reply to A. Chaud from <a href="show_bug.cgi?id=31122#c15">comment #15</a>) > Regarding the 0x535. It's a workaround for <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - Backlight off after suspend-to-disk on Powerbook" href="show_bug.cgi?id=31120">bug 31120</a>. The lower half of > the register gets set to 0x7fff upon waking from suspend which disables the > backlight. This changes it back to a working value. There should be a way to save a value on suspend and restore that saved value on resume. BTW, I didn't check whether you're still doing this in the latest patch, but a few things I remember noticing: (a) foo | 0x80000000, not + (b) use ARRAY_SIZE, although I think you got rid of that array anyways</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>