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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-02-08 04:07:44 +0300 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-03 03:48:56 +0300 |
commit | 1ef8580539d0b9282b726a2c9b7aa25057040cfe (patch) | |
tree | a609141dca5c18eb0fc159418abd59db95f3c89a /drivers/input/mouse/alps.c | |
parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
download | linux-1ef8580539d0b9282b726a2c9b7aa25057040cfe.tar.xz |
Input: psmouse - create helper for reporting standard buttons/motion
Many protocol driver re-implement code to parse buttons or motion data from
the standard PS/2 protocol. Let's split the parsing into separate
functions and reuse them in protocol drivers.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/mouse/alps.c')
-rw-r--r-- | drivers/input/mouse/alps.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index dbe57da8c1a1..f9c7f2452264 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -827,7 +827,7 @@ static void alps_process_packet_v6(struct psmouse *psmouse) unsigned char *packet = psmouse->packet; struct input_dev *dev = psmouse->dev; struct input_dev *dev2 = priv->dev2; - int x, y, z, left, right, middle; + int x, y, z; /* * We can use Byte5 to distinguish if the packet is from Touchpad @@ -847,9 +847,6 @@ static void alps_process_packet_v6(struct psmouse *psmouse) x = packet[1] | ((packet[3] & 0x20) << 2); y = packet[2] | ((packet[3] & 0x40) << 1); z = packet[4]; - left = packet[3] & 0x01; - right = packet[3] & 0x02; - middle = packet[3] & 0x04; /* To prevent the cursor jump when finger lifted */ if (x == 0x7F && y == 0x7F && z == 0x7F) @@ -859,9 +856,7 @@ static void alps_process_packet_v6(struct psmouse *psmouse) input_report_rel(dev2, REL_X, (char)x / 4); input_report_rel(dev2, REL_Y, -((char)y / 4)); - input_report_key(dev2, BTN_LEFT, left); - input_report_key(dev2, BTN_RIGHT, right); - input_report_key(dev2, BTN_MIDDLE, middle); + psmouse_report_standard_buttons(dev2, packet[3]); input_sync(dev2); return; @@ -871,8 +866,6 @@ static void alps_process_packet_v6(struct psmouse *psmouse) x = packet[1] | ((packet[3] & 0x78) << 4); y = packet[2] | ((packet[4] & 0x78) << 4); z = packet[5]; - left = packet[3] & 0x01; - right = packet[3] & 0x02; if (z > 30) input_report_key(dev, BTN_TOUCH, 1); @@ -888,8 +881,8 @@ static void alps_process_packet_v6(struct psmouse *psmouse) input_report_key(dev, BTN_TOOL_FINGER, z > 0); /* v6 touchpad does not have middle button */ - input_report_key(dev, BTN_LEFT, left); - input_report_key(dev, BTN_RIGHT, right); + packet[3] &= ~BIT(2); + psmouse_report_standard_buttons(dev2, packet[3]); input_sync(dev); } @@ -1098,7 +1091,7 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) struct alps_data *priv = psmouse->private; unsigned char *packet = psmouse->packet; struct input_dev *dev2 = priv->dev2; - int x, y, z, left, right, middle; + int x, y, z; /* It should be a DualPoint when received trackstick packet */ if (!(priv->flags & ALPS_DUALPOINT)) { @@ -1112,16 +1105,10 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) ((packet[3] & 0x20) << 1); z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1); - left = (packet[1] & 0x01); - right = (packet[1] & 0x02) >> 1; - middle = (packet[1] & 0x04) >> 2; - input_report_rel(dev2, REL_X, (char)x); input_report_rel(dev2, REL_Y, -((char)y)); - input_report_key(dev2, BTN_LEFT, left); - input_report_key(dev2, BTN_RIGHT, right); - input_report_key(dev2, BTN_MIDDLE, middle); + psmouse_report_standard_buttons(dev2, packet[1]); input_sync(dev2); } @@ -1503,10 +1490,7 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse, alps_report_buttons(dev, dev2, packet[0] & 1, packet[0] & 2, packet[0] & 4); - input_report_rel(dev, REL_X, - packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); - input_report_rel(dev, REL_Y, - packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); + psmouse_report_standard_motion(dev, packet); input_sync(dev); } |