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path: root/drivers/input/mouse/synaptics.c
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Diffstat (limited to 'drivers/input/mouse/synaptics.c')
-rw-r--r--drivers/input/mouse/synaptics.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 16c30460ef04..5af0b7d200bc 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -535,16 +535,17 @@ static void synaptics_apply_quirks(struct psmouse *psmouse,
}
}
+static bool synaptics_has_agm(struct synaptics_data *priv)
+{
+ return (SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
+ SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c));
+}
+
static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
{
static u8 param = 0xc8;
- struct synaptics_data *priv = psmouse->private;
int error;
- if (!(SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)))
- return 0;
-
error = psmouse_sliced_command(psmouse, SYN_QUE_MODEL);
if (error)
return error;
@@ -553,9 +554,6 @@ static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
if (error)
return error;
- /* Advanced gesture mode also sends multi finger data */
- priv->info.capabilities |= BIT(1);
-
return 0;
}
@@ -578,7 +576,7 @@ static int synaptics_set_mode(struct psmouse *psmouse)
if (error)
return error;
- if (priv->absolute_mode) {
+ if (priv->absolute_mode && synaptics_has_agm(priv)) {
error = synaptics_set_advanced_gesture_mode(psmouse);
if (error) {
psmouse_err(psmouse,
@@ -766,9 +764,7 @@ static int synaptics_parse_hw_state(const u8 buf[],
((buf[0] & 0x04) >> 1) |
((buf[3] & 0x04) >> 2));
- if ((SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)) &&
- hw->w == 2) {
+ if (synaptics_has_agm(priv) && hw->w == 2) {
synaptics_parse_agm(buf, priv, hw);
return 1;
}
@@ -1033,6 +1029,15 @@ static void synaptics_image_sensor_process(struct psmouse *psmouse,
synaptics_report_mt_data(psmouse, sgm, num_fingers);
}
+static bool synaptics_has_multifinger(struct synaptics_data *priv)
+{
+ if (SYN_CAP_MULTIFINGER(priv->info.capabilities))
+ return true;
+
+ /* Advanced gesture mode also sends multi finger data */
+ return synaptics_has_agm(priv);
+}
+
/*
* called for each full received packet from the touchpad
*/
@@ -1079,7 +1084,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
if (SYN_CAP_EXTENDED(info->capabilities)) {
switch (hw.w) {
case 0 ... 1:
- if (SYN_CAP_MULTIFINGER(info->capabilities))
+ if (synaptics_has_multifinger(priv))
num_fingers = hw.w + 2;
break;
case 2:
@@ -1123,7 +1128,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
- if (SYN_CAP_MULTIFINGER(info->capabilities)) {
+ if (synaptics_has_multifinger(priv)) {
input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
}
@@ -1283,7 +1288,7 @@ static void set_input_params(struct psmouse *psmouse,
__set_bit(BTN_TOUCH, dev->keybit);
__set_bit(BTN_TOOL_FINGER, dev->keybit);
- if (SYN_CAP_MULTIFINGER(info->capabilities)) {
+ if (synaptics_has_multifinger(priv)) {
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
__set_bit(BTN_TOOL_TRIPLETAP, dev->keybit);
}