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backlight: fix detection of multiple graphic cards

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Follow-up for e0504dd011189d97a1ea813aabfe1e696742bcf5.

Hopefully, devices in PCI subsystem have some properties, thus have
their udev database file. But, that may not be true. Here, we only read
sysattrs of enumerated devices, hence it is not necessary to check if
the device is initialized or not.

(cherry picked from commit 9990552f9a26cfb07ef3edaad846543bdd013b10)
(cherry picked from commit 029341790ced0a82bbf075c923c196d405732541)
(cherry picked from commit e6e77739eb0b214ed9615d9e34d36d7c59e96f97)
This commit is contained in:
Yu Watanabe 2024-04-04 05:45:11 +09:00 committed by Luca Boccassi
parent 5a44056792
commit 3d8ec4633a
1 changed files with 4 additions and 0 deletions
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4
src/backlight/backlight.c
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@ -55,6 +55,10 @@ static int has_multiple_graphics_cards(void) {
if (r < 0)
return r;
r = sd_device_enumerator_allow_uninitialized(e);
if (r < 0)
return r;
r = sd_device_enumerator_add_match_subsystem(e, "pci", /* match = */ true);
if (r < 0)
return r;