[U-Boot] [PATCH v4 4/4] dm: sanbox: pwm: add test for pwm_set_invert()

[sjg at google.com]

Add test case for new interface set_invert().

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
Acked-by: Simon Glass <sjg at chromium.org>
---

Changes in v4: None
Changes in v3:
- add sanbox test

Changes in v2: None

 drivers/pwm/sandbox_pwm.c | 16 ++++++++++++++++
 test/dm/pwm.c             |  1 +
 2 files changed, 17 insertions(+)

Applied to u-boot-rockchip/next, thanks!