[PATCH 36/51] Input: atmel_mxt_ts - Output status from T42 Touch Suppression

From: Nick Dyer
Date: Thu Jun 27 2013 - 08:56:15 EST


Signed-off-by: Nick Dyer <nick.dyer@xxxxxxxxxxx>
Acked-by: Benson Leung <bleung@xxxxxxxxxxxx>
---
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 d7ce38d..1c5e640 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 */
@@ -266,6 +269,8 @@ 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;

@@ -769,6 +774,17 @@ 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;
@@ -804,6 +820,9 @@ 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 {
@@ -1442,6 +1461,8 @@ 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;
@@ -1511,6 +1532,10 @@ 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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