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Input: elan_i2c - use iap_version to get firmware information 

When driver is in IAP mode ic_type query may return 0xff. However
iap_version will always be valid, so let's use it to determine parameters
of the firmware that the controller is supposed to accept.

Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Duson Lin 2015-09-03 09:46:45 -07:00 коммит произвёл Dmitry Torokhov
Родитель d6f5aef298
Коммит 58f1eae48e
1 изменённых файлов: 6 добавлений и 6 удалений
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12
drivers/input/mouse/elan_i2c_core.c
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@ -4,7 +4,7 @@
* Copyright (c) 2013 ELAN Microelectronics Corp. * Copyright (c) 2013 ELAN Microelectronics Corp.
* *
* Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw>
* Version: 1.5.9 * Version: 1.6.0
* *
* Based on cyapa driver: * Based on cyapa driver:
* copyright (c) 2011-2012 Cypress Semiconductor, Inc. * copyright (c) 2011-2012 Cypress Semiconductor, Inc.
@ -40,7 +40,7 @@
#include "elan_i2c.h" #include "elan_i2c.h"
#define DRIVER_NAME "elan_i2c" #define DRIVER_NAME "elan_i2c"
#define ELAN_DRIVER_VERSION "1.5.9" #define ELAN_DRIVER_VERSION "1.6.0"
#define ETP_MAX_PRESSURE 255 #define ETP_MAX_PRESSURE 255
#define ETP_FWIDTH_REDUCE 90 #define ETP_FWIDTH_REDUCE 90
#define ETP_FINGER_WIDTH 15 #define ETP_FINGER_WIDTH 15
@ -94,10 +94,10 @@ struct elan_tp_data {
bool baseline_ready; bool baseline_ready;
}; };
static int elan_get_fwinfo(u8 ic_type, u16 *validpage_count, static int elan_get_fwinfo(u8 iap_version, u16 *validpage_count,
u16 *signature_address) u16 *signature_address)
{ {
switch(ic_type) { switch (iap_version) {
case 0x08: case 0x08:
*validpage_count = 512; *validpage_count = 512;
break; break;
@ -264,11 +264,11 @@ static int elan_query_device_info(struct elan_tp_data *data)
if (error) if (error)
return error; return error;
error = elan_get_fwinfo(data->ic_type, &data->fw_validpage_count, error = elan_get_fwinfo(data->iap_version, &data->fw_validpage_count,
&data->fw_signature_address); &data->fw_signature_address);
if (error) { if (error) {
dev_err(&data->client->dev, dev_err(&data->client->dev,
"unknown ic type %d\n", data->ic_type); "unknown iap version %d\n", data->iap_version);
return error; return error;
} }