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pad: default a pad group to mode 0 if all LEDs are off

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Since our API doesn't accomodate for "dunno" we need to pick a mode that
we are actually in. This happens on the Intuos Pro 2 (PTH-660) which has
all LEDs on brightness zero, resulting in a failure to set up the modes
and we're left without a mode button.

Fix it by just picking zero as the default mode until specified
otherwise.

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1069>
This commit is contained in:
Peter Hutterer 2024-10-22 15:03:09 +10:00 • committed by Marge Bot
parent 04cff1c721
commit 4546480e13
1 changed files with 3 additions and 1 deletions
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4
src/evdev-tablet-pad-leds.c
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@ -83,7 +83,9 @@ pad_led_group_get_mode(struct pad_led_group *group)
return led->mode_idx;
}
return -EINVAL;
/* Wacom PTH-660 doesn't light up any LEDs
* until the button is pressed, so let's assume mode 0 */
return 0;
}
static inline void