Input: synaptics - reset the ABS_X/Y fuzz after initializing MT axes
[ Upstream commit 19eb4ed114
]
input_mt_init_slots() resets the ABS_X/Y fuzz to 0 and expects the driver
to call input_mt_report_pointer_emulation(). That is based on the MT
position bits which are already defuzzed - hence a fuzz of 0.
In the case of synaptics semi-mt devices, we report the ABS_X/Y axes
manually. This results in the MT position being defuzzed but the
single-touch emulation missing that defuzzing.
Work around this by re-initializing the ABS_X/Y axes after the MT axis to
get the same fuzz value back.
https://bugs.freedesktop.org/show_bug.cgi?id=104533
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1280,6 +1280,16 @@ static void set_input_params(struct psmouse *psmouse,
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INPUT_MT_POINTER |
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INPUT_MT_POINTER |
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(cr48_profile_sensor ?
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(cr48_profile_sensor ?
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INPUT_MT_TRACK : INPUT_MT_SEMI_MT));
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INPUT_MT_TRACK : INPUT_MT_SEMI_MT));
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/*
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* For semi-mt devices we send ABS_X/Y ourselves instead of
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* input_mt_report_pointer_emulation. But
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* input_mt_init_slots() resets the fuzz to 0, leading to a
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* filtered ABS_MT_POSITION_X but an unfiltered ABS_X
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* position. Let's re-initialize ABS_X/Y here.
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*/
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if (!cr48_profile_sensor)
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set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y);
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}
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}
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if (SYN_CAP_PALMDETECT(info->capabilities))
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if (SYN_CAP_PALMDETECT(info->capabilities))
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