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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [i915] intel_backlight does not function - Lenovo X1 Yoga OLED"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97883#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [i915] intel_backlight does not function - Lenovo X1 Yoga OLED"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97883">bug 97883</a>
from <span class="vcard"><a class="email" href="mailto:arkonbob@yahoo.com" title="arkonbob@yahoo.com">arkonbob@yahoo.com</a>
</span></b>
<pre>(In reply to Niklas Kielblock from <a href="show_bug.cgi?id=97883#c19">comment #19</a>)
<span class="quote">> The download above contains debug symbols, so I've done some cursory
> analysis. It communicates with the panel via eDP AUX (couldn't say if it's
> using I2C-over-AUX, though) through an interface exposed by the primary
> Intel graphics driver. References to gamma and voltages (ELVSS) indicate
> it's considerably more low-level.
>
> It's developed by Intel, not a third-party manufacturer; I have no insight
> into your organisation so forgive me if I'm wrong but I would imagine you
> can inquire about this internally.</span >
Do you think the panel on the Asus Taichi might also be controlled in the same
way? (<a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED WONTFIX - Dual onboard LCD (eDP1 and DP1) cannot turn on DP1 (no backlight), no backlight control but can see screen in reflected light"
href="show_bug.cgi?id=73156">Bug 73156</a> - <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED WONTFIX - Dual onboard LCD (eDP1 and DP1) cannot turn on DP1 (no backlight), no backlight control but can see screen in reflected light"
href="show_bug.cgi?id=73156">https://bugs.freedesktop.org/show_bug.cgi?id=73156</a>)
@Jani - if you are able to track someone down at Intel I'd be grateful if you
could add that to your list of questions :-)</pre>
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