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auto-detect DAC

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This commit is contained in:
philippe44
2020-02-09 14:22:35 -08:00
parent 90d52dabaf
commit c4b0168370
7 changed files with 77 additions and 36 deletions
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12
components/squeezelite/output_i2s.c
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@@ -242,9 +242,6 @@ void output_init_i2s(log_level level, char *device, unsigned output_buf_size, ch
gpio_set_level(CONFIG_SPDIF_DO_IO, 0);
#endif
// not very pretty ...
adac = &ADAC;
i2s_config.sample_rate = output.current_sample_rate;
i2s_config.bits_per_sample = bytes_per_frame * 8 / 2;
// Counted in frames (but i2s allocates a buffer <= 4092 bytes)
@@ -253,8 +250,13 @@ void output_init_i2s(log_level level, char *device, unsigned output_buf_size, ch
dma_buf_frames = DMA_BUF_COUNT * DMA_BUF_LEN;
// finally let DAC driver initialize I2C and I2S
adac->init(I2C_PORT, CONFIG_I2S_NUM, &i2s_config);
}
if (dac_tas57xx.init(I2C_PORT, CONFIG_I2S_NUM, &i2s_config)) adac = &dac_tas57xx;
else if (dac_a1s.init(I2C_PORT, CONFIG_I2S_NUM, &i2s_config)) adac = &dac_a1s;
else {
dac_external.init(I2C_PORT, CONFIG_I2S_NUM, &i2s_config);
adac = &dac_external;
}
}
LOG_INFO("Initializing I2S mode %s with rate: %d, bits per sample: %d, buffer frames: %d, number of buffers: %d ",
spdif ? "S/PDIF" : "normal",