Author: wulf Date: Thu May 4 23:08:55 2017 New Revision: 317816 URL: https://svnweb.freebsd.org/changeset/base/317816
Log: Report 3-rd and 4-th fingers as first finger for Elan hw v.2 and v.3 as Linux does. It should not affect gesture processing in current state as it ignores finger coords on 3-finger tap detection but it should make evdev reports looking more Linux-alike. Reviewed by: gonzo Approved by: gonzo MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D10266 Modified: head/sys/dev/atkbdc/psm.c Modified: head/sys/dev/atkbdc/psm.c ============================================================================== --- head/sys/dev/atkbdc/psm.c Thu May 4 23:04:52 2017 (r317815) +++ head/sys/dev/atkbdc/psm.c Thu May 4 23:08:55 2017 (r317816) @@ -3772,27 +3772,30 @@ proc_elantech(struct psm_softc *sc, pack nfingers = (pb->ipacket[0] & 0xc0) >> 6; if (nfingers == 3 && (pb->ipacket[3] & 0x80)) nfingers = 4; - mask = (1 << nfingers) - 1; - fn = ELANTECH_FINGER_SET_XYP(pb); + if (nfingers == 0) { + mask = (1 << nfingers) - 1; /* = 0x00 */ + break; + } + + /* Map 3-rd and 4-th fingers to first finger */ + mask = (1 << 1) - 1; /* = 0x01 */ + f[0] = ELANTECH_FINGER_SET_XYP(pb); if (sc->elanhw.haspressure) { - fn.w = ((pb->ipacket[0] & 0x30) >> 2) | + f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | ((pb->ipacket[3] & 0x30) >> 4); } else { - fn.p = PSM_FINGER_DEFAULT_P; - fn.w = PSM_FINGER_DEFAULT_W; + f[0].p = PSM_FINGER_DEFAULT_P; + f[0].w = PSM_FINGER_DEFAULT_W; } /* * HW v2 dont report exact finger positions when 3 or more - * fingers are on touchpad. Use reported value as fingers - * position as it is required for tap detection + * fingers are on touchpad. */ if (nfingers > 2) - fn.flags = PSM_FINGER_FUZZY; + f[0].flags = PSM_FINGER_FUZZY; - for (id = 0; id < imin(nfingers, ELANTECH_MAX_FINGERS); id++) - f[id] = fn; break; case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ @@ -3838,8 +3841,12 @@ proc_elantech(struct psm_softc *sc, pack * ------------------------------------------- */ nfingers = (pb->ipacket[0] & 0xc0) >> 6; - mask = (1 << nfingers) - 1; - id = nfingers - 1; + /* Map 3-rd finger to first finger */ + id = nfingers > 2 ? 0 : nfingers - 1; + mask = (1 << (id + 1)) - 1; + + if (nfingers == 0) + break; fn = ELANTECH_FINGER_SET_XYP(pb); fn.w = ((pb->ipacket[0] & 0x30) >> 2) | @@ -3847,15 +3854,11 @@ proc_elantech(struct psm_softc *sc, pack /* * HW v3 dont report exact finger positions when 3 or more - * fingers are on touchpad. Use reported value as fingers - * position as it is required for tap detection + * fingers are on touchpad. */ if (nfingers > 1) fn.flags = PSM_FINGER_FUZZY; - for (id = 0; id < imin(nfingers, ELANTECH_MAX_FINGERS); id++) - f[id] = fn; - if (nfingers == 2) { if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { sc->elanaction.fingers[0] = fn; @@ -3863,6 +3866,7 @@ proc_elantech(struct psm_softc *sc, pack } else f[0] = sc->elanaction.fingers[0]; } + f[id] = fn; break; case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
