diff options
Diffstat (limited to 'drivers/input/mouse/synaptics.c')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 40cea334ad1..8c324403b9f 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -141,8 +141,13 @@ static int synaptics_capability(struct psmouse *psmouse) priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; priv->ext_cap = priv->ext_cap_0c = 0; - if (!SYN_CAP_VALID(priv->capabilities)) + /* + * Older firmwares had submodel ID fixed to 0x47 + */ + if (SYN_ID_FULL(priv->identity) < 0x705 && + SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { return -1; + } /* * Unless capExtended is set the rest of the flags should be ignored @@ -206,6 +211,7 @@ static int synaptics_resolution(struct psmouse *psmouse) unsigned char max[3]; if (SYN_ID_MAJOR(priv->identity) < 4) + return 0; if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, res) == 0) { if (res[0] != 0 && (res[1] & 0x80) && res[2] != 0) { @@ -496,7 +502,9 @@ static void synaptics_process_packet(struct psmouse *psmouse) } input_report_abs(dev, ABS_PRESSURE, hw.z); - input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); + if (SYN_CAP_PALMDETECT(priv->capabilities)) + input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); + input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); input_report_key(dev, BTN_LEFT, hw.left); input_report_key(dev, BTN_RIGHT, hw.right); @@ -596,7 +604,9 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) input_set_abs_params(dev, ABS_Y, YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0); input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); - __set_bit(ABS_TOOL_WIDTH, dev->absbit); + + if (SYN_CAP_PALMDETECT(priv->capabilities)) + input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); __set_bit(EV_KEY, dev->evbit); __set_bit(BTN_TOUCH, dev->keybit); |