Re: [PATCH v2 02/22] media: Add ALSA Media Controller function entities
From: Mauro Carvalho Chehab
Date: Thu Feb 04 2016 - 03:40:27 EST
Em Wed, 03 Feb 2016 21:03:34 -0700
Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> escreveu:
> Add ALSA Media Controller capture, playback, and mixer
> function entity defines.
>
> Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> ---
> include/uapi/linux/media.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
> index ee020e8..7d50480 100644
> --- a/include/uapi/linux/media.h
> +++ b/include/uapi/linux/media.h
> @@ -98,6 +98,17 @@ struct media_device_info {
> #define MEDIA_ENT_F_IF_AUD_DECODER (MEDIA_ENT_F_BASE + 42)
>
> /*
> + * DOC: Media Controller Next Generation ALSA Function Entities
> + *
> + * MEDIA_ENT_F_AUDIO_CAPTURE - Audio Capture Function
> + * MEDIA_ENT_F_AUDIO_PLAYBACK - Audio Play Back Function
> + * MEDIA_ENT_F_AUDIO_MIXER - Audio Mixer Function
> +*/
Wrong way to document it. Please see my comments to patch 01/22.
> +#define MEDIA_ENT_F_AUDIO_CAPTURE (MEDIA_ENT_F_BASE + 200)
> +#define MEDIA_ENT_F_AUDIO_PLAYBACK (MEDIA_ENT_F_BASE + 201)
> +#define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 202)
> +
> +/*
> * Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and
> * MEDIA_ENT_F_OLD_SUBDEV_BASE are kept to keep backward compatibility
> * with the legacy v1 API.The number range is out of range by purpose: