diff options
| author | Jan Engelmohr <jan.engelmohr@mailbox.tu-dresden.de> | 2016-08-01 13:31:29 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 16:15:25 +0200 |
| commit | 97ef32aefecf27ce57455ac16a2da18ac7e2c1d6 (patch) | |
| tree | 813972e3812b6a7caf1464068e8c774e7334e962 /drivers/input | |
| parent | 1e9ab116c0933c30e51bf68071eb822a90451a6d (diff) | |
3.10.76 -> 3.10.77
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/elantech.c | 22 | ||||
| -rw-r--r-- | drivers/input/mouse/elantech.h | 1 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 85e75239c..1af7df263 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -784,6 +784,21 @@ 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) @@ -985,6 +1000,8 @@ 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 @@ -1452,6 +1469,11 @@ 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; diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index c1c15ab68..13a12ccbf 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -138,6 +138,7 @@ struct elantech_data { struct finger_pos mt[ETP_MAX_FINGERS]; unsigned char parity[256]; int (*send_cmd)(struct psmouse *psmouse, unsigned char c, unsigned char *param); + void (*original_set_rate)(struct psmouse *psmouse, unsigned int rate); }; #ifdef CONFIG_MOUSE_PS2_ELANTECH |