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| author | Tzung-Bi Shih <tzungbi@chromium.org> | 2019-06-29 07:25:46 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-09-19 07:59:11 +0000 |
| commit | 8fe3e6a850f06b499cc60834a925736ce95171d9 (patch) | |
| tree | fdecb38045e7e18336e678d2614f7b649bcda733 /builtin | |
| parent | e0d9bb6fdef6fe87dac52ea7f26281f8d3239a7a (diff) | |
| download | chrome-ec-8fe3e6a850f06b499cc60834a925736ce95171d9.tar.gz | |
chip/mt_scp: support software gain
Multiply the audio data by a gain value. Note that it get muted when
gain is 0.
BRANCH=none
BUG=b:122027734, b:123268236
TEST=1. define CONFIG_AUDIO_CODEC in board.h
2. define CONFIG_AUDIO_CODEC_DMIC in board.h
3. define CONFIG_AUDIO_CODEC_DMIC_SOFTWARE_GAIN in board.h
4. define CONFIG_AUDIO_CODEC_DMIC_MAX_SOFTWARE_GAIN in board.h
5. define CONFIG_AUDIO_CODEC_WOV in board.h
6. make BOARD=kukui_scp -j
Change-Id: I8c308ffb6d7c8f5bd378524bdffc980d7b9948fa
Signed-off-by: Tzung-Bi Shih <tzungbi@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1683028
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Diffstat (limited to 'builtin')
| -rw-r--r-- | builtin/stdint.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/builtin/stdint.h b/builtin/stdint.h index ada936c2d3..dedc9de475 100644 --- a/builtin/stdint.h +++ b/builtin/stdint.h @@ -57,6 +57,9 @@ typedef int64_t int_fast64_t; #ifndef INT16_MAX #define INT16_MAX (32767U) #endif +#ifndef INT16_MIN +#define INT16_MIN (-32768) +#endif #ifndef UINT32_MAX #define UINT32_MAX (4294967295U) |