ALSA: hda: Add sync version of snd_hda_codec_write()

We used snd_hda_codec_read() for the verb write when a synchronization
is needed after the write, e.g. for the power state toggle or such
cases.  It works in principle, but it looks rather confusing and too
hackish.

For improving the code readability, introduce a new helper function,
snd_hda_codec_write_sync(), which is another variant of
snd_hda_codec_write(), and replace the existing snd_hda_codec_read()
calls with this one.

No behavior change but just the code refactoring.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260409093826.1317626-2-tiwai@suse.de

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