commit 4cbd62c2ca1600dcd2001d1c5a736abc043a0333
author Rakesh Goyal <rgoyal@nvidia.com> Fri Jan 27 18:13:29 2012 +0530
committer Ramanan Rajeswaran <ramanan@google.com> Fri Mar 09 08:51:15 2012 -0800
tree 8ee3ccc548b2df164dafb7eb0d61c9f1543c0e22
parent a9b677fce432b29ab8f61e13796f34880dc0fe0f

add i2c_device_address member to nfc_pn544_device_t

Add I2C slave address. Multiple I2C addresses are possible
for PN544 module. Configure address according to board design.

Change-Id: I847e8f3db631f5039cf15143a9982f4b9b209f27

include/hardware/nfc.h

diff --git a/include/hardware/nfc.h b/include/hardware/nfc.h
index ca3683b..74b3cfb 100644
--- a/include/hardware/nfc.h
+++ b/include/hardware/nfc.h
@@ -76,6 +76,11 @@
      * Set to 0 to disable the workaround, 1 to enable it.
      */
     uint8_t enable_i2c_workaround;
+    /* I2C slave address. Multiple I2C addresses are
+     * possible for PN544 module. Configure address according to
+     * board design.
+     */
+    uint8_t i2c_device_address;
 } nfc_pn544_device_t;
 
 static inline int nfc_pn544_open(const struct hw_module_t* module,

modules/nfc/nfc_hw_example.c

diff --git a/modules/nfc/nfc_hw_example.c b/modules/nfc/nfc_hw_example.c
index 9769282..54c9c56 100644
--- a/modules/nfc/nfc_hw_example.c
+++ b/modules/nfc/nfc_hw_example.c
@@ -44,6 +44,7 @@
         dev->linktype = PN544_LINK_TYPE_INVALID;
         dev->device_node = NULL;
         dev->enable_i2c_workaround = 0;
+        dev->i2c_device_address = 0;
 
         *device = (hw_device_t*) dev;
         return 0;