don't reset LEDC channel if it wasn't used by camera #451
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camera_disable_out_clock
is called (asCAMERA_DISABLE_OUT_CLOCK()
) inesp_camera_deinit()
camera_disable_out_clock()
stops the clock for LEDC channelg_ledc_channel
. But if the camera was never enabled, it will stop channel0
, which might be in use by other unrelated things.This fix detects when there is no clock to stop.
See adafruit#1 for background.