[U-Boot] [PATCH 19/33] sound: Mark sound_setup() as optional

[Bin Meng]

On Tue, Jan 22, 2019 at 9:14 AM Simon Glass <sjg at chromium.org> wrote:
>
> This method in the sound API is optional since some drivers can do this
> when probing or as part of SoC init. Mark it as such.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  drivers/sound/sound-uclass.c | 2 +-
>  include/sound.h              | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>