Signed-off-by: Nick Dyer <nick.d...@itdev.co.uk>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c
b/drivers/input/touchscreen/atmel_mxt_ts.c
index 94e54bd..b1fdc36 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -185,6 +185,9 @@ struct t9_range {
#define MXT_RESET_VALUE 0x01
#define MXT_BACKUP_VALUE 0x55
+/* Define for MXT_PROCI_TOUCHSUPPRESSION_T42 */
+#define MXT_T42_MSG_TCHSUP (1 << 0)
+
/* Delay times */
#define MXT_BACKUP_TIME 25 /* msec */
#define MXT_RESET_TIME 200 /* msec */
@@ -265,6 +268,8 @@ struct mxt_data {
u16 T7_address;
u8 T9_reportid_min;
u8 T9_reportid_max;
+ u8 T42_reportid_min;
+ u8 T42_reportid_max;
u16 T44_address;
u8 T48_reportid;
};
@@ -673,6 +678,17 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8
*message)
data->update_input = true;
}
+static void mxt_proc_t42_messages(struct mxt_data *data, u8 *msg)
+{
+ struct device *dev = &data->client->dev;
+ u8 status = msg[1];
+
+ if (status & MXT_T42_MSG_TCHSUP)
+ dev_info(dev, "T42 suppress\n");
+ else
+ dev_info(dev, "T42 normal\n");
+}
+
static int mxt_proc_t48_messages(struct mxt_data *data, u8 *msg)
{
struct device *dev = &data->client->dev;
@@ -708,6 +724,10 @@ static int mxt_proc_message(struct mxt_data *data, u8
*message)
&& report_id <= data->T9_reportid_max) {
mxt_proc_t9_message(data, message);
handled = true;
+ } else if (report_id >= data->T42_reportid_min
+ && report_id <= data->T42_reportid_max) {
+ mxt_proc_t42_messages(data, message);
+ handled = true;
} else if (report_id == data->T48_reportid) {
mxt_proc_t48_messages(data, message);
handled = true;
@@ -1365,6 +1385,10 @@ static int mxt_get_object_table(struct mxt_data *data)
data->num_touchids =
object->num_report_ids * OBP_INSTANCES(object);
break;
+ case MXT_PROCI_TOUCHSUPPRESSION_T42:
+ data->T42_reportid_min = min_id;
+ data->T42_reportid_max = max_id;
+ break;
case MXT_SPT_MESSAGECOUNT_T44:
data->T44_address = object->start_address;
break;
--
1.7.10.4
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