Input: atmel_mxt_ts - refactor reportid checking in mxt_interrupt

This small refactor is in preparation for checking more report types
in the mxt_interrupt message processing loop.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 48f3637aecaa..a9e0b541c638 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -554,6 +554,12 @@ static void mxt_input_touchevent(struct mxt_data *data,
         input_sync(input_dev);
 }
 
+static bool mxt_is_T9_message(struct mxt_data *data, struct mxt_message *msg)
+{
+        u8 id = msg->reportid;
+        return (id >= data->T9_reportid_min && id <= data->T9_reportid_max);
+}
+
 static irqreturn_t mxt_interrupt(int irq, void *dev_id)
 {
         struct mxt_data *data = dev_id;
@@ -561,8 +567,6 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
         struct device *dev = &data->client->dev;
         int id;
         u8 reportid;
-        u8 max_reportid;
-        u8 min_reportid;
 
         do {
                 if (mxt_read_message(data, &message)) {
@@ -572,11 +576,9 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
 
                 reportid = message.reportid;
 
-                max_reportid = data->T9_reportid_max;
-                min_reportid = data->T9_reportid_min;
-                id = reportid - min_reportid;
+                id = reportid - data->T9_reportid_min;
 
-                if (reportid >= min_reportid && reportid <= max_reportid)
+                if (mxt_is_T9_message(data, &message))
                         mxt_input_touchevent(data, &message, id);
                 else
                         mxt_dump_message(dev, &message);