commit 7868dfd216074fc5f902e7befacda2a0ec76e403
author Joo Aun Saw <jasaw@dius.com.au> Thu Jul 23 12:53:47 2015 +1000
committer Jonathan Cameron <jic23@kernel.org> Thu Jul 23 20:45:50 2015 +0100
tree f3665bc22d03de52a68bc5db51f79eccd71f1cc8
parent 1e9676a8474b657b6a793f0abff2205783a1ce6f

tools: iio: make scale and offset files optional

Make scale and offset optional by adding -ENOENT check as not all
drivers implement them.

Signed-off-by: Joo Aun Saw <jasaw@dius.com.au>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

tools/iio/iio_utils.c

diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c
index c3f9e37..1dcdf03 100644
--- a/tools/iio/iio_utils.c
+++ b/tools/iio/iio_utils.c
@@ -487,7 +487,7 @@
 						       device_dir,
 						       current->name,
 						       current->generic_name);
-			if (ret < 0)
+			if ((ret < 0) && (ret != -ENOENT))
 				goto error_cleanup_array;
 
 			ret = iioutils_get_param_float(&current->offset,
@@ -495,7 +495,7 @@
 						       device_dir,
 						       current->name,
 						       current->generic_name);
-			if (ret < 0)
+			if ((ret < 0) && (ret != -ENOENT))
 				goto error_cleanup_array;
 
 			ret = iioutils_get_type(&current->is_signed,