1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __UAPI_SOUND_TLV_H 20 #define __UAPI_SOUND_TLV_H 21 #define SNDRV_CTL_TLVT_CONTAINER 0 22 #define SNDRV_CTL_TLVT_DB_SCALE 1 23 #define SNDRV_CTL_TLVT_DB_LINEAR 2 24 #define SNDRV_CTL_TLVT_DB_RANGE 3 25 #define SNDRV_CTL_TLVT_DB_MINMAX 4 26 #define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 27 #define SNDRV_CTL_TLVT_CHMAP_FIXED 0x101 28 #define SNDRV_CTL_TLVT_CHMAP_VAR 0x102 29 #define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103 30 #define SNDRV_CTL_TLVD_ITEM(type,...) (type), SNDRV_CTL_TLVD_LENGTH(__VA_ARGS__), __VA_ARGS__ 31 #define SNDRV_CTL_TLVD_LENGTH(...) ((unsigned int) sizeof((const unsigned int[]) { __VA_ARGS__ })) 32 #define SNDRV_CTL_TLVD_CONTAINER_ITEM(...) SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_CONTAINER, __VA_ARGS__) 33 #define SNDRV_CTL_TLVD_DECLARE_CONTAINER(name,...) unsigned int name[] = { SNDRV_CTL_TLVD_CONTAINER_ITEM(__VA_ARGS__) } 34 #define SNDRV_CTL_TLVD_DB_SCALE_MASK 0xffff 35 #define SNDRV_CTL_TLVD_DB_SCALE_MUTE 0x10000 36 #define SNDRV_CTL_TLVD_DB_SCALE_ITEM(min,step,mute) SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_SCALE, (min), ((step) & SNDRV_CTL_TLVD_DB_SCALE_MASK) | ((mute) ? SNDRV_CTL_TLVD_DB_SCALE_MUTE : 0)) 37 #define SNDRV_CTL_TLVD_DECLARE_DB_SCALE(name,min,step,mute) unsigned int name[] = { SNDRV_CTL_TLVD_DB_SCALE_ITEM(min, step, mute) } 38 #define SNDRV_CTL_TLVD_DB_MINMAX_ITEM(min_dB,max_dB) SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_MINMAX, (min_dB), (max_dB)) 39 #define SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM(min_dB,max_dB) SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_MINMAX_MUTE, (min_dB), (max_dB)) 40 #define SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(name,min_dB,max_dB) unsigned int name[] = { SNDRV_CTL_TLVD_DB_MINMAX_ITEM(min_dB, max_dB) } 41 #define SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE(name,min_dB,max_dB) unsigned int name[] = { SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) } 42 #define SNDRV_CTL_TLVD_DB_LINEAR_ITEM(min_dB,max_dB) SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_LINEAR, (min_dB), (max_dB)) 43 #define SNDRV_CTL_TLVD_DECLARE_DB_LINEAR(name,min_dB,max_dB) unsigned int name[] = { SNDRV_CTL_TLVD_DB_LINEAR_ITEM(min_dB, max_dB) } 44 #define SNDRV_CTL_TLVD_DB_RANGE_ITEM(...) SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_RANGE, __VA_ARGS__) 45 #define SNDRV_CTL_TLVD_DECLARE_DB_RANGE(name,...) unsigned int name[] = { SNDRV_CTL_TLVD_DB_RANGE_ITEM(__VA_ARGS__) } 46 #define SNDRV_CTL_TLVD_DB_GAIN_MUTE - 9999999 47 #endif 48
