Update Liam and Mark's mail.

On 02/19/2014 01:20 PM, Nenghua Cao wrote:
> From: Nenghua Cao <nh...@marvell.com>
> 
>     In snd_soc_bytes_put function, it forces cpu to do cpu_to_be translation,
> but for mmio bus which uses REGMAP_ENDIAN_NATIVE, it doesn't need to do
> endian translation. So it is better to use regmap's api which can decide
> if this translation is needed according to bus configuration.
> 
> Signed-off-by: Nenghua Cao <nh...@marvell.com>
> ---
>  sound/soc/soc-core.c |   34 +++++++++++++++++++++++++++++-----
>  1 files changed, 29 insertions(+), 5 deletions(-)
> 
> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index fe1df50..fb598cb 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -3234,7 +3234,7 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
>       struct soc_bytes *params = (void *)kcontrol->private_value;
>       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
>       int ret, len;
> -     unsigned int val;
> +     unsigned int val, mask;
>       void *data;
>  
>       if (!codec->using_regmap)
> @@ -3264,12 +3264,36 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
>                       ((u8 *)data)[0] |= val;
>                       break;
>               case 2:
> -                     ((u16 *)data)[0] &= cpu_to_be16(~params->mask);
> -                     ((u16 *)data)[0] |= cpu_to_be16(val);
> +                     mask = ~params->mask;
> +                     ret = regmap_parse_val(codec->control_data,
> +                                                     &mask, &mask);
> +                     if (ret != 0)
> +                             goto out;
> +
> +                     ((u16 *)data)[0] &= mask;
> +
> +                     ret = regmap_parse_val(codec->control_data,
> +                                                     &val, &val);
> +                     if (ret != 0)
> +                             goto out;
> +
> +                     ((u16 *)data)[0] |= val;
>                       break;
>               case 4:
> -                     ((u32 *)data)[0] &= cpu_to_be32(~params->mask);
> -                     ((u32 *)data)[0] |= cpu_to_be32(val);
> +                     mask = ~params->mask;
> +                     ret = regmap_parse_val(codec->control_data,
> +                                                     &mask, &mask);
> +                     if (ret != 0)
> +                             goto out;
> +
> +                     ((u32 *)data)[0] &= mask;
> +
> +                     ret = regmap_parse_val(codec->control_data,
> +                                                     &val, &val);
> +                     if (ret != 0)
> +                             goto out;
> +
> +                     ((u32 *)data)[0] |= val;
>                       break;
>               default:
>                       ret = -EINVAL;
> 

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