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SubjectRe: [PATCH v6 2/7] ASoC: sun4i-i2s: Add functions for RX and TX channel offsets
Hi,

On Wed, Oct 16, 2019 at 09:07:35AM +0200, codekipper@gmail.com wrote:
> From: Marcus Cooper <codekipper@gmail.com>
>
> Newer SoCs like the H6 have the channel offset bits in a different
> position to what is on the H3. As we will eventually add multi-
> channel support then create function calls as opposed to regmap
> fields to add support for different devices.
>
> Signed-off-by: Marcus Cooper <codekipper@gmail.com>
> ---
> sound/soc/sunxi/sun4i-i2s.c | 31 +++++++++++++++++++++++++------
> 1 file changed, 25 insertions(+), 6 deletions(-)
>
> diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
> index f1a80973c450..875567881f30 100644
> --- a/sound/soc/sunxi/sun4i-i2s.c
> +++ b/sound/soc/sunxi/sun4i-i2s.c
> @@ -157,6 +157,8 @@ struct sun4i_i2s_quirks {
> int (*set_chan_cfg)(const struct sun4i_i2s *,
> const struct snd_pcm_hw_params *);
> int (*set_fmt)(struct sun4i_i2s *, unsigned int);
> + void (*set_txchanoffset)(const struct sun4i_i2s *, int);
> + void (*set_rxchanoffset)(const struct sun4i_i2s *);

The point of removing the regmap_field was that because having a
one-size-fits-all function with regmap_field sort of making the
abstraction was becoming more and more of a burden to maintain.

Having functions for each and every register access is exactly the
same as using regmap_field here, and the issue we adressed is not with
regmap_fields in itself.

If the H6 has a different register layout, then so be it, create a new
set_chan_cfg or set_fmt function for the H6.

Maxime
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