Input: atmel_mxt_ts - remove firmware version check

Atmel touchscreen chips have different firmware version with each chip,
so we cannot distinguish attribute of chip by firmware version.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 6264ba80c38cc4e0455fdea2df319110d9d6a22c..0986fa46e9dfb20c2834e4b92d9526d0352a2505 100644 (file)
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -60,11 +60,11 @@
 #define MXT_PROCG_NOISE                22
 #define MXT_PROCI_ONETOUCH     24
 #define MXT_PROCI_TWOTOUCH     27
-#define MXT_SPT_COMMSCONFIG    18      /* firmware ver 21 over */
+#define MXT_SPT_COMMSCONFIG    18
 #define MXT_SPT_GPIOPWM                19
 #define MXT_SPT_SELFTEST       25
 #define MXT_SPT_CTECONFIG      28
-#define MXT_SPT_USERDATA       38      /* firmware ver 21 over */
+#define MXT_SPT_USERDATA       38
 
 /* MXT_GEN_COMMAND field */
 #define MXT_COMMAND_RESET      0
@@ -115,7 +115,7 @@
 #define MXT_TOUCH_XEDGEDIST    27
 #define MXT_TOUCH_YEDGECTRL    28
 #define MXT_TOUCH_YEDGEDIST    29
-#define MXT_TOUCH_JUMPLIMIT    30      /* firmware ver 22 over */
+#define MXT_TOUCH_JUMPLIMIT    30
 
 /* MXT_PROCI_GRIPFACE field */
 #define MXT_GRIPFACE_CTRL      0
@@ -157,7 +157,7 @@
 #define MXT_CTE_MODE           2
 #define MXT_CTE_IDLEGCAFDEPTH  3
 #define MXT_CTE_ACTVGCAFDEPTH  4
-#define MXT_CTE_VOLTAGE                5       /* firmware ver 21 over */
+#define MXT_CTE_VOLTAGE                5
 
 #define MXT_VOLTAGE_DEFAULT    2700000
 #define MXT_VOLTAGE_STEP       10000
@@ -686,7 +686,7 @@ static void mxt_handle_pdata(struct mxt_data *data)
                        MXT_TOUCH_YRANGE_MSB, (pdata->y_size - 1) >> 8);
 
        /* Set touchscreen voltage */
-       if (data->info.version >= MXT_VER_21 && pdata->voltage) {
+       if (pdata->voltage) {
                if (pdata->voltage < MXT_VOLTAGE_DEFAULT) {
                        voltage = (MXT_VOLTAGE_DEFAULT - pdata->voltage) /
                                MXT_VOLTAGE_STEP;
@@ -951,19 +951,8 @@ static ssize_t mxt_update_fw_store(struct device *dev,
                                        const char *buf, size_t count)
 {
        struct mxt_data *data = dev_get_drvdata(dev);
-       unsigned int version;
        int error;
 
-       if (sscanf(buf, "%u", &version) != 1) {
-               dev_err(dev, "Invalid values\n");
-               return -EINVAL;
-       }
-
-       if (data->info.version < MXT_VER_21 || version < MXT_VER_21) {
-               dev_err(dev, "FW update supported starting with version 21\n");
-               return -EINVAL;
-       }
-
        disable_irq(data->irq);
 
        error = mxt_load_fw(dev, MXT_FW_NAME);