Fix RS485 DAC problem, when DAC has zero V output. Signed-off-by: Bence Kovacs <bence.kovacs@generalmechatronics.com> (cherry picked from commit 59426ba7ea11624c12a6f32799739558b7ead68e)
Fix RS485 DAC problem, when DAC has zero V output.
Signed-off-by: Bence Kovacs <bence.kovacs@generalmechatronics.com>
(cherry picked from commit 59426ba7ea11624c12a6f32799739558b7ead68e)

Signed-off-by: Sebastian Kuzminsky <62d754cc350e84d3b1c32ae79f976f5348e74a40@highlab.com>

bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror