diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/media.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index 5dbb208e5451..c9eb42a6c021 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -89,6 +89,15 @@ struct media_device_info { #define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 33) /* + * Analog TV IF-PLL decoders + * + * It is a responsibility of the master/bridge drivers to create links + * for MEDIA_ENT_F_IF_VID_DECODER and MEDIA_ENT_F_IF_AUD_DECODER. + */ +#define MEDIA_ENT_F_IF_VID_DECODER (MEDIA_ENT_F_BASE + 41) +#define MEDIA_ENT_F_IF_AUD_DECODER (MEDIA_ENT_F_BASE + 42) + +/* * 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: @@ -107,8 +116,12 @@ struct media_device_info { #define MEDIA_ENT_F_LENS (MEDIA_ENT_F_OLD_SUBDEV_BASE + 3) #define MEDIA_ENT_F_ATV_DECODER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 4) /* - * It is a responsibility of the entity drivers to add connectors and links - * for the tuner entities. + * It is a responsibility of the master/bridge drivers to add connectors + * and links for MEDIA_ENT_F_TUNER. Please notice that some old tuners + * may require the usage of separate I2C chips to decode analog TV signals, + * when the master/bridge chipset doesn't have its own TV standard decoder. + * On such cases, the IF-PLL staging is mapped via one or two entities: + * MEDIA_ENT_F_IF_VID_DECODER and/or MEDIA_ENT_F_IF_AUD_DECODER. */ #define MEDIA_ENT_F_TUNER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 5) |