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address review comments

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This commit is contained in:
Dan Halbert 2021-08-11 12:10:49 -04:00
parent 35aac3d26b
commit 4608877c12
1 changed files with 1 additions and 8 deletions
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9
ports/raspberrypi/audio_dma.c
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@ -153,7 +153,7 @@ STATIC void audio_dma_load_next_block(audio_dma_t *dma, size_t buffer_idx) {
}
// Convert the sample format resolution and signedness, as necessary.
// The input sample buffer is what was read from a file or a raw sample buffer.
// The input sample buffer is what was read from a file, Mixer, or a raw sample buffer.
// The output buffer is one of the DMA buffers (passed in), or if no conversion was done,
// the original sample buffer (to save copying).
@ -370,13 +370,6 @@ void audio_dma_stop(audio_dma_t *dma) {
dma_channel_abort(channel);
}
// Write a zero as the last sample. This stops any PWM output.
if (dma->output_resolution <= 8) {
*((uint8_t *)dma->output_register_address) = 0;
} else {
*((uint16_t *)dma->output_register_address) = 0;
}
dma_channel_set_read_addr(channel, NULL, false /* trigger */);
dma_channel_set_write_addr(channel, NULL, false /* trigger */);
dma_channel_set_trans_count(channel, 0, false /* trigger */);