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When boardctl() fails, need to print errno not the returned value which will always be -1.

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This commit is contained in:
Gregory Nutt 2015-04-16 07:36:02 -06:00
parent e69e6e445e
commit 90d0300d46
1 changed files with 2 additions and 2 deletions
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4
nxwm/src/ctouchscreen.cxx
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@ -1,7 +1,7 @@
/********************************************************************************************
* NxWidgets/nxwm/src/ctouchscreen.cxx
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Copyright (C) 2012, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -285,7 +285,7 @@ FAR void *CTouchscreen::listener(FAR void *arg)
int ret = boardctl(BOARDIOC_TSCTEST_SETUP, CONFIG_NXWM_TOUCHSCREEN_DEVNO);
if (ret < 0)
{
dbg("ERROR Failed initialize the touchscreen device: %d\n", ret);
dbg("ERROR Failed initialize the touchscreen device: %d\n", errno);
This->m_state = LISTENER_FAILED;
sem_post(&This->m_waitSem);
return (FAR void *)0;