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| author | Simon Glass <sjg@chromium.org> | 2018-11-15 19:56:13 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-11-29 09:30:05 -0700 |
| commit | 7d92b0609093a047ce4b113d77ccd3cc78325e8f (patch) | |
| tree | 4afa25f53b27bf4f76cac7e0a80ef8bb1de36242 /include/sound.h | |
| parent | 03f11e87a86307903f40e74495936184063bab79 (diff) | |
| download | u-boot-7d92b0609093a047ce4b113d77ccd3cc78325e8f.tar.gz u-boot-7d92b0609093a047ce4b113d77ccd3cc78325e8f.tar.bz2 u-boot-7d92b0609093a047ce4b113d77ccd3cc78325e8f.zip | |
sound: Add sample rate as a parameter for square wave
At present this value is hard-coded in the function that generates a
square wave. Since sample rates vary between different hardware, it makes
more sense to have this as a parameter.
Update the function and its users.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/sound.h')
| -rw-r--r-- | include/sound.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/sound.h b/include/sound.h index 3269f2371c..77bfe6a93b 100644 --- a/include/sound.h +++ b/include/sound.h @@ -31,11 +31,13 @@ struct sound_codec_info { /* * Generates square wave sound data for 1 second * + * @param sample_rate Sample rate in Hz * @param data data buffer pointer * @param size size of the buffer * @param freq frequency of the wave */ -void sound_create_square_wave(unsigned short *data, int size, uint32_t freq); +void sound_create_square_wave(uint sample_rate, unsigned short *data, int size, + uint freq); /* * Initialises audio sub system |