From 09d0e2bdd28b3a18c8c772ea87348796a9e9200e Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 6 Jul 2014 09:08:38 -0600
Subject: [PATCH] maXTouch: Be consistent.  Failure return values are not just
 non-zero, but negative

---
 drivers/input/mxt.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/input/mxt.c b/drivers/input/mxt.c
index fd35ca0711..4b6d37de34 100644
--- a/drivers/input/mxt.c
+++ b/drivers/input/mxt.c
@@ -1382,7 +1382,7 @@ static int mxt_getobjtab(FAR struct mxt_dev_s *priv)
   tabsize = priv->info.nobjects * sizeof(struct mxt_object_s);
   ret = mxt_getreg(priv, MXT_OBJECT_START, (FAR uint8_t *)priv->objtab,
                    tabsize);
-  if (ret)
+  if (ret < 0)
     {
       return ret;
     }
@@ -1507,7 +1507,7 @@ static int mxt_hwinitialize(FAR struct mxt_dev_s *priv)
   /* Get object table information */
 
   ret = mxt_getobjtab(priv);
-  if (ret)
+  if (ret < 0)
     {
       goto errout_with_objtab;
     }
@@ -1520,7 +1520,7 @@ static int mxt_hwinitialize(FAR struct mxt_dev_s *priv)
   /* Update matrix size in the info structure */
 
   ret = mxt_getreg(priv, MXT_MATRIX_X_SIZE, (FAR uint8_t *)&regval, 1);
-  if (ret)
+  if (ret < 0)
     {
       goto errout_with_objtab;
     }
@@ -1528,7 +1528,7 @@ static int mxt_hwinitialize(FAR struct mxt_dev_s *priv)
   info->xsize = regval;
 
   ret = mxt_getreg(priv, MXT_MATRIX_Y_SIZE, (FAR uint8_t *)&regval, 1);
-  if (ret)
+  if (ret < 0)
     {
       goto errout_with_objtab;
     }
@@ -1577,7 +1577,7 @@ static int mxt_hwinitialize(FAR struct mxt_dev_s *priv)
   /* Force the CHG pin to the high state */
 
   ret = mxt_chghigh(priv);
-  if (ret)
+  if (ret < 0)
     {
       goto errout_with_sample;
     }