If the regulator is already enabled, this happens if the regulator
is set in regulator-always-on, regulator_set_enable() return -EALREADY.

Ignore the -EALREADY return since it's not an error.

Suggested-by: Jonas Karlman <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
---
Changes in v2:
- Switch to regulator_set_enable_if_allowed thanks to Jonas's suggestion
- Link to v1: 
https://lore.kernel.org/r/20241008-u-boot-video-fix-hdmi-supply-already-on-v1-1-3a12c73ff...@linaro.org
---
 drivers/video/meson/meson_dw_hdmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/meson/meson_dw_hdmi.c 
b/drivers/video/meson/meson_dw_hdmi.c
index 587df7beb9b..1631dc38416 100644
--- a/drivers/video/meson/meson_dw_hdmi.c
+++ b/drivers/video/meson/meson_dw_hdmi.c
@@ -418,8 +418,8 @@ static int meson_dw_hdmi_probe(struct udevice *dev)
        }
 
        if (!ret) {
-               ret = regulator_set_enable(supply, true);
-               if (ret)
+               ret = regulator_set_enable_if_allowed(supply, true);
+               if (ret && ret != -ENOSYS)
                        return ret;
        }
 #endif

---
base-commit: 28dc47038edc4e93f32d75a357131bcf01a18d85
change-id: 20241008-u-boot-video-fix-hdmi-supply-already-on-e6a9af27b1eb

Best regards,
-- 
Neil Armstrong <[email protected]>

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