staging: comedi: range: introduce range_unipolar2_5

Introduce a simple unipolar 0 to 2.5 range, range_unipolar2_5, for
use by the comedi drivers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 9c8662a..6abb7a8 100644 (file)
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -294,6 +294,7 @@ extern const struct comedi_lrange range_bipolar5;
 extern const struct comedi_lrange range_bipolar2_5;
 extern const struct comedi_lrange range_unipolar10;
 extern const struct comedi_lrange range_unipolar5;
+extern const struct comedi_lrange range_unipolar2_5;
 extern const struct comedi_lrange range_unknown;
 
 #define range_digital          range_unipolar5

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 59ff0cf..efec902 100644 (file)
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -35,6 +35,8 @@ const struct comedi_lrange range_unipolar10 = { 1, {UNI_RANGE(10)} };
 EXPORT_SYMBOL(range_unipolar10);
 const struct comedi_lrange range_unipolar5 = { 1, {UNI_RANGE(5)} };
 EXPORT_SYMBOL(range_unipolar5);
+const struct comedi_lrange range_unipolar2_5 = { 1, {UNI_RANGE(2.5)} };
+EXPORT_SYMBOL(range_unipolar2_5);
 const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none} } };
 EXPORT_SYMBOL(range_unknown);