[PATCH 38/53] Input: atmel_mxt_ts - Output status from T42 Touch Suppression

[Nick Dyer]

Signed-off-by: Nick Dyer <nick.d...@itdev.co.uk>
Acked-by: Benson Leung <ble...@chromium.org>
---
 drivers/input/touchscreen/atmel_mxt_ts.c |   25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c 
b/drivers/input/touchscreen/atmel_mxt_ts.c
index 5291471..27a2425 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -187,6 +187,9 @@ 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                50      /* msec */
 #define MXT_RESET_TIME         200     /* msec */
@@ -268,6 +271,8 @@ struct mxt_data {
        u8 T9_reportid_min;
        u8 T9_reportid_max;
        u8 T19_reportid;
+       u8 T42_reportid_min;
+       u8 T42_reportid_max;
        u16 T44_address;
        u8 T48_reportid;
 
@@ -771,6 +776,17 @@ 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;
@@ -807,6 +823,9 @@ static int mxt_proc_message(struct mxt_data *data, u8 
*message)
        } else if (report_id == data->T19_reportid) {
                mxt_input_button(data, message);
                data->update_input = true;
+       } else if (report_id >= data->T42_reportid_min
+                  && report_id <= data->T42_reportid_max) {
+               mxt_proc_t42_messages(data, message);
        } else if (report_id == data->T48_reportid) {
                mxt_proc_t48_messages(data, message);
        } else {
@@ -1448,6 +1467,8 @@ static void mxt_free_object_table(struct mxt_data *data)
        data->T9_reportid_min = 0;
        data->T9_reportid_max = 0;
        data->T19_reportid = 0;
+       data->T42_reportid_min = 0;
+       data->T42_reportid_max = 0;
        data->T44_address = 0;
        data->T48_reportid = 0;
        data->max_reportid = 0;
@@ -1517,6 +1538,10 @@ static int mxt_get_object_table(struct mxt_data *data)
                        data->num_touchids = object->num_report_ids
                                                * mxt_obj_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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