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127e71bd46
According to the Win8 Precision Touchpad spec, inside the HID_UP_BUTTON usage-page usage 1 is for a clickpad getting clicked, 2 for an external left button and 3 for an external right button. Since Linux uses BTN_LEFT for a clickpad being clicked we end up mapping both usage 1 and 2 to BTN_LEFT and if a single report contains both then we ended up always reporting the value of both in a single SYN, e.g. : BTN_LEFT 1, BTN_LEFT 0, SYN. This happens for example with Hantick HTT5288 i2c mt touchpads. This commit fixes this by not immediately reporting left button when we parse the report, but instead storing or-ing together the values and reporting the result from mt_sync_frame() when we've a complete frame. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.