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The NUM_CHANNELS define has a pretty generic name and was right before the function using it. Let's move to something that makes the hardware-specific nature more obvious, and to a more appropriate place. Signed-off-by: Maxime Ripard <maxime@cerno.tech> Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com> Reviewed-by: Hoegeun Kwon <hoegeun.kwon@samsung.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201105135656.383350-4-maxime@cerno.tech