From: Peter Meerwald <p.meerwald@xxxxxxxxxxxxxxxxxx>
only the mxt224 has a SPT_CTECONFIG_T28 object, the mxt224e doesn't
Signed-off-by: Peter Meerwald <p.meerwald@xxxxxxxxxxxxxxxxxx>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 63a82bb..17cc15a 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -41,6 +41,10 @@
#define MXT_OBJECT_NUM 0x06
#define MXT_OBJECT_START 0x07
+/* Family IDs */
+#define MXT224_ID 0x80
+#define MXT224E_ID 0x81
+
#define MXT_OBJECT_SIZE 6
/* Object types */
@@ -687,7 +691,7 @@ static void mxt_handle_pdata(struct mxt_data *data)
MXT_TOUCH_YRANGE_MSB, (pdata->y_size - 1) >> 8);
/* Set touchscreen voltage */
- if (pdata->voltage) {
+ if (pdata->voltage && data->info.family_id == MXT224_ID) {
if (pdata->voltage < MXT_VOLTAGE_DEFAULT) {
voltage = (MXT_VOLTAGE_DEFAULT - pdata->voltage) /
MXT_VOLTAGE_STEP;
--
1.7.9.5
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