2 Correct answers
You can select a Smart Brush preset from the Lighting section that brings up a Brightness/Contrast Adjustment layer after using the brush on your image.
In your case it looks like your using the Brightness/Contrast adjustment on the layer mask, which won't do much in terms of adjusting brightness. Not sure why it throws the error with the smart brush, since it doesn't do that on a regular non smart brush layer mask.
Which preset are you using with the smart brush? e.g. Blue Sky, Color etc. The smart brush typically applies a gradient or gradient map together with a mask based on your selection. If you try to use the Enhance menu with the mask layer active, then it will likely have no effect.
What you could do is save your selection from that layer. From the menu:
Select > Save selection
Choose a name and save.
Now switch to your background layer and press Ctrl+J to duplicate
From the Select menu choose Lo
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Replies
You can select a Smart Brush preset from the Lighting section that brings up a Brightness/Contrast Adjustment layer after using the brush on your image.
In your case it looks like your using the Brightness/Contrast adjustment on the layer mask, which won't do much in terms of adjusting brightness. Not sure why it throws the error with the smart brush, since it doesn't do that on a regular non smart brush layer mask.
Which preset are you using with the smart brush? e.g. Blue Sky, Color etc. The smart brush typically applies a gradient or gradient map together with a mask based on your selection. If you try to use the Enhance menu with the mask layer active, then it will likely have no effect.
What you could do is save your selection from that layer. From the menu:
Select > Save selection
Choose a name and save.
Now switch to your background layer and press Ctrl+J to duplicate
From the Select menu choose Load Selection and choose your named selection. That will load the exact selection you made with the smart brush and you should be able to use all of the Enhance menu items on that selection, such as lighting; hue saturation, brightness and contrast. You can make further tweaks by adjusting the blend mode and opacity.
To enlarge, click image once, then right-click and choose open in new tab/window. Go to the new tab.
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