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Input: synaptics - use SERIO_OOB_DATA to handle trackstick buttons

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Instead of using custom method of "passing" extended buttons from the
touchpad to trackstick, let's switch to the newly introduced SERIO_OOB_DATA
channel.

Tested-By: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2017-02-09 11:34:08 -08:00
parent 19ba1eb15a
commit bf23cfc343
2 changed files with 13 additions and 14 deletions
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26
drivers/input/mouse/synaptics.c
View File

@ -597,15 +597,13 @@ static int synaptics_is_pt_packet(unsigned char *buf)
return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
}
static void synaptics_pass_pt_packet(struct psmouse *psmouse,
struct serio *ptport,
static void synaptics_pass_pt_packet(struct serio *ptport,
unsigned char *packet)
{
struct synaptics_data *priv = psmouse->private;
struct psmouse *child = serio_get_drvdata(ptport);
if (child && child->state == PSMOUSE_ACTIVATED) {
serio_interrupt(ptport, packet[1] | priv->pt_buttons, 0);
serio_interrupt(ptport, packet[1], 0);
serio_interrupt(ptport, packet[4], 0);
serio_interrupt(ptport, packet[5], 0);
if (child->pktsize == 4)
@ -856,7 +854,6 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse,
struct input_dev *dev = psmouse->dev;
struct synaptics_data *priv = psmouse->private;
int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1;
char buf[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
int i;
if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
@ -883,15 +880,18 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse,
* physically wired to the touchpad. Re-route them through
* the pass-through interface.
*/
if (!priv->pt_port)
return;
if (priv->pt_port) {
u8 pt_buttons;
/* The trackstick expects at most 3 buttons */
priv->pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons) |
SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 |
SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2;
/* The trackstick expects at most 3 buttons */
pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons) |
SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 |
SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2;
synaptics_pass_pt_packet(psmouse, priv->pt_port, buf);
serio_interrupt(priv->pt_port,
PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA);
serio_interrupt(priv->pt_port, pt_buttons, SERIO_OOB_DATA);
}
}
static void synaptics_report_buttons(struct psmouse *psmouse,
@ -1132,7 +1132,7 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
if (SYN_CAP_PASS_THROUGH(priv->capabilities) &&
synaptics_is_pt_packet(psmouse->packet)) {
if (priv->pt_port)
synaptics_pass_pt_packet(psmouse, priv->pt_port,
synaptics_pass_pt_packet(priv->pt_port,
psmouse->packet);
} else
synaptics_process_packet(psmouse);

1
drivers/input/mouse/synaptics.h
View File

@ -183,7 +183,6 @@ struct synaptics_data {
bool disable_gesture; /* disable gestures */
struct serio *pt_port; /* Pass-through serio port */
unsigned char pt_buttons; /* Pass-through buttons */
/*
* Last received Advanced Gesture Mode (AGM) packet. An AGM packet