Cargo Features

[dependencies]
rkaiq-sys = { version = "5.0.6", default-features = false, features = ["isp_hw_v21", "isp_hw_v30", "v4_0", "v5_0"] }
default = isp_hw_v30, v5_0

These default features are set whenever rkaiq-sys is added without default-features = false somewhere in the dependency tree.

fullv isp_hw_v20 isp_hw_v21
isp_hw_v30 default
isp_hw_v31 isp_hw_v32 v1_0 v2_0 v3_0 v4_0
v5_0 default

rkaiq-sys has 5 features without comments.