ASoC: rt722: fix pop noise at the beginning of headphone playback

This patch added the function_status check to avoid the calibration again.
The codec driver reinitializes when the 'FUNCTION_NEEDS_INITIALIZATION' flag raises.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://patch.msgid.link/20250416092528.737845-1-shumingf@realtek.com


Signed-off-by: Mark Brown <broonie@kernel.org>