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| author | Pali Rohár <pali.rohar@gmail.com> | 2015-02-15 15:58:08 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-15 16:04:23 -0800 |
| commit | ef47fa5280819deaa8da7e0db1d875b225de5838 (patch) | |
| tree | 6f53264a85eb9cc3a3dd696093041dd2e97238af /drivers | |
| parent | 626b9da0b5a55407ebddcfa9b983180e729736ce (diff) | |
| download | linux-ef47fa5280819deaa8da7e0db1d875b225de5838.tar.bz2 | |
Input: ALPS - move v7 packet info to Documentation and v6 packet info
This patch move all packet info from driver source code to documentation
and adds info about v6 packet format (from driver source code).
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/mouse/alps.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index b4144ad0987b..d28726a0ef85 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -909,34 +909,6 @@ static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, unsigned char *pkt, unsigned char pkt_id) { - /* - * packet-fmt b7 b6 b5 b4 b3 b2 b1 b0 - * Byte0 TWO & MULTI L 1 R M 1 Y0-2 Y0-1 Y0-0 - * Byte0 NEW L 1 X1-5 1 1 Y0-2 Y0-1 Y0-0 - * Byte1 Y0-10 Y0-9 Y0-8 Y0-7 Y0-6 Y0-5 Y0-4 Y0-3 - * Byte2 X0-11 1 X0-10 X0-9 X0-8 X0-7 X0-6 X0-5 - * Byte3 X1-11 1 X0-4 X0-3 1 X0-2 X0-1 X0-0 - * Byte4 TWO X1-10 TWO X1-9 X1-8 X1-7 X1-6 X1-5 X1-4 - * Byte4 MULTI X1-10 TWO X1-9 X1-8 X1-7 X1-6 Y1-5 1 - * Byte4 NEW X1-10 TWO X1-9 X1-8 X1-7 X1-6 0 0 - * Byte5 TWO & NEW Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 Y1-5 Y1-4 - * Byte5 MULTI Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 F-1 F-0 - * L: Left button - * R / M: Non-clickpads: Right / Middle button - * Clickpads: When > 2 fingers are down, and some fingers - * are in the button area, then the 2 coordinates reported - * are for fingers outside the button area and these report - * extra fingers being present in the right / left button - * area. Note these fingers are not added to the F field! - * so if a TWO packet is received and R = 1 then there are - * 3 fingers down, etc. - * TWO: 1: Two touches present, byte 0/4/5 are in TWO fmt - * 0: If byte 4 bit 0 is 1, then byte 0/4/5 are in MULTI fmt - * otherwise byte 0 bit 4 must be set and byte 0/4/5 are - * in NEW fmt - * F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ... - */ - mt[0].x = ((pkt[2] & 0x80) << 4); mt[0].x |= ((pkt[2] & 0x3F) << 5); mt[0].x |= ((pkt[3] & 0x30) >> 1); @@ -1061,17 +1033,6 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) return; } - /* - * b7 b6 b5 b4 b3 b2 b1 b0 - * Byte0 0 1 0 0 1 0 0 0 - * Byte1 1 1 * * 1 M R L - * Byte2 X7 1 X5 X4 X3 X2 X1 X0 - * Byte3 Z6 1 Y6 X6 1 Y2 Y1 Y0 - * Byte4 Y7 0 Y5 Y4 Y3 1 1 0 - * Byte5 T&P 0 Z5 Z4 Z3 Z2 Z1 Z0 - * M / R / L: Middle / Right / Left button - */ - x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2); y = (packet[3] & 0x07) | (packet[4] & 0xb8) | ((packet[3] & 0x20) << 1); |