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psm(4): Always initialize Synaptics touchpad report range with defaults

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Otherwise libinput refuses to recoginize some Synaptics touchpads with
"kernel bug: device has min == max on ABS_X" message in Xorg.log.

PR:		251149
Reported-by:	Jens Grassel <freebsd-ports@jan0sch.de>
Tested-by:	Jens Grassel <freebsd-ports@jan0sch.de>
MFC-after:	2 weeks
This commit is contained in:
Vladimir Kondratyev 2020-12-22 23:44:42 +03:00
parent bde56c9942
commit 2ac1c19272
1 changed files with 9 additions and 14 deletions
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23
sys/dev/atkbdc/psm.c
View file

@ -6423,6 +6423,15 @@ enable_synaptics(struct psm_softc *sc, enum probearg arg)
printf(" infoGeometry: %d\n", synhw.infoGeometry);
}
/*
* Typical bezel limits. Taken from 'Synaptics
* PS/2 * TouchPad Interfacing Guide' p.3.2.3.
*/
synhw.maximumXCoord = 5472;
synhw.maximumYCoord = 4448;
synhw.minimumXCoord = 1472;
synhw.minimumYCoord = 1408;
/* Read the extended capability bits. */
if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0)
return (FALSE);
@ -6564,13 +6573,6 @@ enable_synaptics(struct psm_softc *sc, enum probearg arg)
((status[1] & 0x0f) << 1);
synhw.maximumYCoord = (status[2] << 5) |
((status[1] & 0xf0) >> 3);
} else {
/*
* Typical bezel limits. Taken from 'Synaptics
* PS/2 * TouchPad Interfacing Guide' p.3.2.3.
*/
synhw.maximumXCoord = 5472;
synhw.maximumYCoord = 4448;
}
if (synhw.capReportsMin) {
@ -6586,13 +6588,6 @@ enable_synaptics(struct psm_softc *sc, enum probearg arg)
((status[1] & 0x0f) << 1);
synhw.minimumYCoord = (status[2] << 5) |
((status[1] & 0xf0) >> 3);
} else {
/*
* Typical bezel limits. Taken from 'Synaptics
* PS/2 * TouchPad Interfacing Guide' p.3.2.3.
*/
synhw.minimumXCoord = 1472;
synhw.minimumYCoord = 1408;
}
/*