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Input: synaptics - query min dimensions for fw v8.1
Query the min dimensions even if the check SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 fails, but we know that the firmware version 8.1 is safe. With that we don't need quirks for post-2013 models anymore as they expose correct min and max dimensions. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=91541 Cc: stable@vger.kernel.org Signed-off-by: Daniel Martin <consume.noise@gmail.com> re-order the tests to check SYN_CAP_MIN_DIMENSIONS even on FW 8.1 Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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1 changed files with 8 additions and 2 deletions
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@ -368,8 +368,14 @@ static int synaptics_resolution(struct psmouse *psmouse)
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}
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}
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if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 &&
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SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) {
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if (SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c) &&
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(SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 ||
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/*
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* Firmware v8.1 does not report proper number of extended
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* capabilities, but has been proven to report correct min
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* coordinates.
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*/
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SYN_ID_FULL(priv->identity) == 0x801)) {
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if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) {
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psmouse_warn(psmouse,
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"device claims to have min coordinates query, but I'm not able to read it.\n");
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