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authorAlex Shi <alex.shi@linaro.org>2015-06-25 16:17:21 +0800
committerAlex Shi <alex.shi@linaro.org>2015-06-25 16:19:06 +0800
commitbd4e9a26373331ef6f185500c72a8836eb7c82d9 (patch)
tree13384e7649be7bb88ab9524efcbc602be85d5020 /drivers/input/mouse/elantech.c
parent2528dbd348dd541e090594b7aac3f62351078388 (diff)
parent2cb9802eeb7f919f97df05b16ec128f4f5af366d (diff)
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-androidlsk-v3.14-15.07-android
Conflicts: fs/exec.c Solutions: follow commit d221244a7 sched: move no_new_privs into new atomic flags to use task_no_new_privs(current).
Diffstat (limited to 'drivers/input/mouse/elantech.c')
-rw-r--r--drivers/input/mouse/elantech.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 0b75b5764f31..e824651a5a11 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -314,7 +314,7 @@ static void elantech_report_semi_mt_data(struct input_dev *dev,
unsigned int x2, unsigned int y2)
{
elantech_set_slot(dev, 0, num_fingers != 0, x1, y1);
- elantech_set_slot(dev, 1, num_fingers == 2, x2, y2);
+ elantech_set_slot(dev, 1, num_fingers >= 2, x2, y2);
}
/*
@@ -814,6 +814,21 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)
}
/*
+ * This writes the reg_07 value again to the hardware at the end of every
+ * set_rate call because the register loses its value. reg_07 allows setting
+ * absolute mode on v4 hardware
+ */
+static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse,
+ unsigned int rate)
+{
+ struct elantech_data *etd = psmouse->private;
+
+ etd->original_set_rate(psmouse, rate);
+ if (elantech_write_reg(psmouse, 0x07, etd->reg_07))
+ psmouse_err(psmouse, "restoring reg_07 failed\n");
+}
+
+/*
* Put the touchpad into absolute mode
*/
static int elantech_set_absolute_mode(struct psmouse *psmouse)
@@ -1015,6 +1030,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
* Asus K53SV 0x450f01 78, 15, 0c 2 hw buttons
* Asus G46VW 0x460f02 00, 18, 0c 2 hw buttons
* Asus G750JX 0x360f00 00, 16, 0c 2 hw buttons
+ * Asus TP500LN 0x381f17 10, 14, 0e clickpad
+ * Asus X750JN 0x381f17 10, 14, 0e clickpad
* Asus UX31 0x361f00 20, 15, 0e clickpad
* Asus UX32VD 0x361f02 00, 15, 0e clickpad
* Avatar AVIU-145A2 0x361f00 ? clickpad
@@ -1490,6 +1507,11 @@ int elantech_init(struct psmouse *psmouse)
goto init_fail;
}
+ if (etd->fw_version == 0x381f17) {
+ etd->original_set_rate = psmouse->set_rate;
+ psmouse->set_rate = elantech_set_rate_restore_reg_07;
+ }
+
if (elantech_set_input_params(psmouse)) {
psmouse_err(psmouse, "failed to query touchpad range.\n");
goto init_fail;