Fix elantech right click on Dell vostro 5470 (rhbz 1103528)
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Bugzilla: 1103528
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Upstream-status: Sent for 3.16
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From 3b629bf4b018ece0c7b4d1c03bdc0eb69c884531 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Thu, 5 Jun 2014 11:48:30 +0200
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Subject: [PATCH] elantech: Deal with clickpads reporting right button events
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At least the Dell Vostro 5470 elantech *clickpad* reports right button
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clicks when clicked in the right bottom area.
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This is different from how (elantech) clickpads normally operate,
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normally no matter where the user clicks on the pad the pad always reports
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a left button event, since there is only 1 hardware button beneath the path.
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It is unknown if this is caused by Dell having put 2 buttons under the pad,
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one under each bottom corner, or if this is something caused by the specific
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firmware in this clickpad.
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Since this however still clearly is a real clickpad hardware-wise, we still
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want to report it as such to userspace, so that things like finger movement
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in the bottom area can be properly ignored as it should be on clickpads.
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So deal with this weirdness by simply mapping a right click to a left click
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on elantech clickpads. As an added advantage this is something which we can
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simply do on all elantech clickpads, so no need to add special quirks for
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this weird model.
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Reported-by: Elder Marco <eldermarco@gmail.com>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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drivers/input/mouse/elantech.c | 22 ++++++++++++++++++----
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1 file changed, 18 insertions(+), 4 deletions(-)
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diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
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index 4d79821..846926d 100644
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--- a/drivers/input/mouse/elantech.c
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+++ b/drivers/input/mouse/elantech.c
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@@ -473,8 +473,15 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse,
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input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
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input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
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input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
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- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
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- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
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+
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+ /* For clickpads map both buttons to BTN_LEFT */
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+ if (etd->fw_version & 0x001000) {
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+ input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
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+ } else {
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+ input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
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+ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
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+ }
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+
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input_report_abs(dev, ABS_PRESSURE, pres);
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input_report_abs(dev, ABS_TOOL_WIDTH, width);
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@@ -484,10 +491,17 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse,
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static void elantech_input_sync_v4(struct psmouse *psmouse)
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{
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struct input_dev *dev = psmouse->dev;
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+ struct elantech_data *etd = psmouse->private;
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unsigned char *packet = psmouse->packet;
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- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
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- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
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+ /* For clickpads map both buttons to BTN_LEFT */
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+ if (etd->fw_version & 0x001000) {
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+ input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
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+ } else {
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+ input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
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+ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
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+ }
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+
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input_mt_report_pointer_emulation(dev, true);
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input_sync(dev);
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}
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--
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2.0.0
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@ -734,6 +734,9 @@ Patch25099: NFS-populate-net-in-mount-data-when-remounting.patch
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#rhbz 1106856
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Patch25100: dm-thin-update-discard_granularity-to-reflect-the-thin-pool-blocksize.patch
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#rhbz 1103528
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Patch25101: elantech-Deal-with-clickpads-reporting-right-button-.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -1436,6 +1439,9 @@ ApplyPatch NFS-populate-net-in-mount-data-when-remounting.patch
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#rhbz 1106856
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ApplyPatch dm-thin-update-discard_granularity-to-reflect-the-thin-pool-blocksize.patch
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#rhbz 1103528
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ApplyPatch elantech-Deal-with-clickpads-reporting-right-button-.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2249,6 +2255,7 @@ fi
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# || ||
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%changelog
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* Wed Jun 11 2014 Josh Boyer <jwboyer@fedoraproject.org>
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- Fix elantech right click on Dell vostro 5470 (rhbz 1103528)
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- Fix fstrim on dm-thin volume data (rhbz 1106856)
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- Fix NFS NULL pointer deref with ipv6 (rhbz 1099761)
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- Fix promisc mode on certain e1000e cards (rhbz 1064516)
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