Dodge and burn brushes apply only to a "Range" — either Highlights, Midtones, or Shadows.
Is there a way to dodge/burn uniformly across the dynamic range?
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Sign up to join this communityYou can create a new layer (50% gray is used often) and set the layer to overlay or soft light.
Then you can brush with white where you want to dodge and black where you want to burn.
Like this all the pixels in the areas you brush are treated whether they are light or dark.
There are several features to adjust the overall tone of an image globally - Levels, Curves - to name a couple
Any of these are capable of lightening or darkening specific regions of the image (highlights, midtones, shadows). The way this data is displayed is different, however it is there.
You adjust the point in the area you wish to change. For example, if you want shadows to be lighter, you move the shadow slider in the Levels
dialog to the right. In the Curves
dialog you'd move the bottom left point to the right as well.