[alsa-devel] [PATCH v2 3/3] ALSA: topology: Export ID types for TLV controls.

[Liam Girdwood]

On Mon, 2015-05-25 at 18:22 +0100, Liam Girdwood wrote:
> Make sure userspace can define TLV controls for topolofy using the correct
> type numbers.
> 
> Signed-off-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>
> ---
>  include/sound/tlv.h      |  7 +------
>  include/uapi/sound/tlv.h | 23 +++++++++++++++++++++++
>  2 files changed, 24 insertions(+), 6 deletions(-)
>  create mode 100644 include/uapi/sound/tlv.h
> 
> diff --git a/include/sound/tlv.h b/include/sound/tlv.h

Takashi, do you want this rolled into uapi/sound/asound.h or is it fine
as a separate file ?

Liam

> index e11e179..7209331 100644
> --- a/include/sound/tlv.h
> +++ b/include/sound/tlv.h
> @@ -31,12 +31,7 @@
>   *                       ~(sizeof(unsigned int) - 1)) ....
>   */
>  
> -#define SNDRV_CTL_TLVT_CONTAINER 0	/* one level down - group of TLVs */
> -#define SNDRV_CTL_TLVT_DB_SCALE	1       /* dB scale */
> -#define SNDRV_CTL_TLVT_DB_LINEAR 2	/* linear volume */
> -#define SNDRV_CTL_TLVT_DB_RANGE 3	/* dB range container */
> -#define SNDRV_CTL_TLVT_DB_MINMAX 4	/* dB scale with min/max */
> -#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5	/* dB scale with min/max with mute */
> +#include <uapi/sound/tlv.h>
>  
>  #define TLV_ITEM(type, ...) \
>  	(type), TLV_LENGTH(__VA_ARGS__), __VA_ARGS__
> diff --git a/include/uapi/sound/tlv.h b/include/uapi/sound/tlv.h
> new file mode 100644
> index 0000000..33d747d
> --- /dev/null
> +++ b/include/uapi/sound/tlv.h
> @@ -0,0 +1,23 @@
> +/*
> + *   This program is free software; you can redistribute it and/or modify
> + *   it under the terms of the GNU General Public License as published by
> + *   the Free Software Foundation; either version 2 of the License, or
> + *   (at your option) any later version.
> + *
> + *   This program is distributed in the hope that it will be useful,
> + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *   GNU General Public License for more details.
> + */
> +
> +#ifndef __UAPI_SOUND_TLV_H
> +#define __UAPI_SOUND_TLV_H
> +
> +#define SNDRV_CTL_TLVT_CONTAINER 0	/* one level down - group of TLVs */
> +#define SNDRV_CTL_TLVT_DB_SCALE	1       /* dB scale */
> +#define SNDRV_CTL_TLVT_DB_LINEAR 2	/* linear volume */
> +#define SNDRV_CTL_TLVT_DB_RANGE 3	/* dB range container */
> +#define SNDRV_CTL_TLVT_DB_MINMAX 4	/* dB scale with min/max */
> +#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5	/* dB scale with min/max with mute */
> +
> +#endif