From 2adfd321e94f0324fe428d8436339b37a4dee9c7 Mon Sep 17 00:00:00 2001
From: Rocco Marco Guglielmi <roccomarco.guglielmi@gmail.com>
Date: Sat, 10 Mar 2018 12:46:50 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11683
 110e8d01-0319-4d1e-a829-52ad28d1bb01

---
 os/ex/ST/hts221.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'os')

diff --git a/os/ex/ST/hts221.c b/os/ex/ST/hts221.c
index 735c8f7bc..a0367da23 100644
--- a/os/ex/ST/hts221.c
+++ b/os/ex/ST/hts221.c
@@ -46,6 +46,7 @@
 /* Driver local functions.                                                   */
 /*===========================================================================*/
 
+#if (HTS221_USE_I2C) || defined(__DOXYGEN__)
 /**
  * @brief   Reads registers value using I2C.
  * @pre     The I2C interface must be initialized and the driver started.
@@ -88,6 +89,7 @@ static msg_t hts221I2CWriteRegister(I2CDriver *i2cp, uint8_t* txbuf, size_t n) {
   return i2cMasterTransmitTimeout(i2cp, HTS221_SAD, txbuf, n + 1, NULL, 0,
                                   TIME_INFINITE);
 }
+#endif /* HTS221_USE_I2C */
 
 /**
  * @brief   Computes biases and sensitivities starting from data stored in
-- 
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