Re: [PATCH 01/31] uapi/media.h: Declare interface types for ALSA

From: Mauro Carvalho Chehab
Date: Thu Jan 28 2016 - 10:00:07 EST


Em Wed, 6 Jan 2016 13:26:50 -0700
Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> escreveu:

> From: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
>
> Declare the interface types to be used on alsa for the new
> G_TOPOLOGY ioctl.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
> ---
> drivers/media/media-entity.c | 12 ++++++++++++
> include/uapi/linux/media.h | 8 ++++++++
> 2 files changed, 20 insertions(+)
>
> diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
> index eb38bc3..6e02d19 100644
> --- a/drivers/media/media-entity.c
> +++ b/drivers/media/media-entity.c
> @@ -65,6 +65,18 @@ static inline const char *intf_type(struct media_interface *intf)
> return "v4l2-subdev";
> case MEDIA_INTF_T_V4L_SWRADIO:
> return "swradio";
> + case MEDIA_INTF_T_ALSA_PCM_CAPTURE:
> + return "pcm-capture";
> + case MEDIA_INTF_T_ALSA_PCM_PLAYBACK:
> + return "pcm-playback";
> + case MEDIA_INTF_T_ALSA_CONTROL:
> + return "alsa-control";
> + case MEDIA_INTF_T_ALSA_COMPRESS:
> + return "compress";
> + case MEDIA_INTF_T_ALSA_RAWMIDI:
> + return "rawmidi";
> + case MEDIA_INTF_T_ALSA_HWDEP:
> + return "hwdep";
> default:
> return "unknown-intf";
> }
> diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
> index cacfceb..75cbe92 100644
> --- a/include/uapi/linux/media.h
> +++ b/include/uapi/linux/media.h
> @@ -252,6 +252,7 @@ struct media_links_enum {
>
> #define MEDIA_INTF_T_DVB_BASE 0x00000100
> #define MEDIA_INTF_T_V4L_BASE 0x00000200
> +#define MEDIA_INTF_T_ALSA_BASE 0x00000300
>
> /* Interface types */
>
> @@ -267,6 +268,13 @@ struct media_links_enum {
> #define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3)
> #define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4)
>
> +#define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE)
> +#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK (MEDIA_INTF_T_ALSA_BASE + 1)
> +#define MEDIA_INTF_T_ALSA_CONTROL (MEDIA_INTF_T_ALSA_BASE + 2)
> +#define MEDIA_INTF_T_ALSA_COMPRESS (MEDIA_INTF_T_ALSA_BASE + 3)
> +#define MEDIA_INTF_T_ALSA_RAWMIDI (MEDIA_INTF_T_ALSA_BASE + 4)
> +#define MEDIA_INTF_T_ALSA_HWDEP (MEDIA_INTF_T_ALSA_BASE + 5)

Patch looks ok, but please document the new media interfaces at KernelDoc
documentation.

> +
> /*
> * MC next gen API definitions
> *