Input: edt-ft5x06 - add support to update ev-ft5726 registers

Currently only the threshold and gain parameters can be read.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 15 insertions, 5 deletions

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 1cd5b804a456..a67915535b47 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -353,9 +353,10 @@ struct edt_ft5x06_attribute {
         u8 limit_high;
         u8 addr_m06;
         u8 addr_m09;
+        u8 addr_ev;
 };
 
-#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09,                   \
+#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09, _addr_ev,         \
                 _limit_low, _limit_high)                                \
         struct edt_ft5x06_attribute edt_ft5x06_attr_##_field = {        \
                 .dattr = __ATTR(_field, _mode,                          \
@@ -364,6 +365,7 @@ struct edt_ft5x06_attribute {
                 .field_offset = offsetof(struct edt_ft5x06_ts_data, _field), \
                 .addr_m06 = _addr_m06,                                  \
                 .addr_m09 = _addr_m09,                                  \
+                .addr_ev  = _addr_ev,                                   \
                 .limit_low = _limit_low,                                \
                 .limit_high = _limit_high,                              \
         }
@@ -400,6 +402,10 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev,
                 addr = attr->addr_m09;
                 break;
 
+        case EV_FT:
+                addr = attr->addr_ev;
+                break;
+
         default:
                 error = -ENODEV;
                 goto out;
@@ -471,6 +477,10 @@ static ssize_t edt_ft5x06_setting_store(struct device *dev,
                 addr = attr->addr_m09;
                 break;
 
+        case EV_FT:
+                addr = attr->addr_ev;
+                break;
+
         default:
                 error = -ENODEV;
                 goto out;
@@ -494,16 +504,16 @@ out:
 
 /* m06, m09: range 0-31, m12: range 0-5 */
 static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN,
-                M09_REGISTER_GAIN, 0, 31);
+                M09_REGISTER_GAIN, EV_REGISTER_GAIN, 0, 31);
 /* m06, m09: range 0-31, m12: range 0-16 */
 static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET,
-                M09_REGISTER_OFFSET, 0, 31);
+                M09_REGISTER_OFFSET, NO_REGISTER, 0, 31);
 /* m06: range 20 to 80, m09: range 0 to 30, m12: range 1 to 255... */
 static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD,
-                M09_REGISTER_THRESHOLD, 0, 255);
+                M09_REGISTER_THRESHOLD, EV_REGISTER_THRESHOLD, 0, 255);
 /* m06: range 3 to 14, m12: (0x64: 100Hz) */
 static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE,
-                NO_REGISTER, 0, 255);
+                NO_REGISTER, NO_REGISTER, 0, 255);
 
 static struct attribute *edt_ft5x06_attrs[] = {
         &edt_ft5x06_attr_gain.dattr.attr,