95396d83e9
This patch converts the mediatek BT SCO driver code to use the new unified PCM copy callback. It's a straightforward conversion from *_user() to *_iter() variants. As copy_form/to_iter() updates the internal offset at each read/write, we can drop the cur_*_idx counter in the loop, too. Note that copy_from/to_iter() returns the copied bytes, hence the error condition is adjusted accordingly. Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230815190136.8987-20-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>