From a93d4f2d023ea5e84c0104d4e479243c6ac77d17 Mon Sep 17 00:00:00 2001
From: Iiro Valkonen <iiro.valkonen@atmel.com>
Date: Mon, 4 Jul 2011 03:16:25 -0700
Subject: [PATCH] Input: atmel_mxt_ts - handle objects with multiple instances
correctly
Handle the objects with multiple instances correctly when the configuration
data is loaded.
Signed-off-by: Iiro Valkonen <iiro.valkonen@atmel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 5d71e4475934..ae00604a6a81 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -655,7 +655,9 @@ static int mxt_check_reg_init(struct mxt_data *data)
if (!mxt_object_writable(object->type))
continue;
- for (j = 0; j < object->size + 1; j++) {
+ for (j = 0;
+ j < (object->size + 1) * (object->instances + 1);
+ j++) {
config_offset = index + j;
if (config_offset > pdata->config_length) {
dev_err(dev, "Not enough config data!\n");
@@ -664,7 +666,7 @@ static int mxt_check_reg_init(struct mxt_data *data)
mxt_write_object(data, object->type, j,
pdata->config[config_offset]);
}
- index += object->size + 1;
+ index += (object->size + 1) * (object->instances + 1);
}
return 0;
--
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