Input: ALPS - fix wheel decoding
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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@ -170,7 +170,7 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
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input_report_key(dev, BTN_TOOL_FINGER, z > 0);
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if (priv->i->flags & ALPS_WHEEL)
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input_report_rel(dev, REL_WHEEL, ((packet[0] >> 4) & 0x07) | ((packet[2] >> 2) & 0x08));
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input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07));
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if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
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input_report_key(dev, BTN_FORWARD, forward);
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