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a79bdaf462
They are nearly entirely generic wrappers around ALSA controls, unique per target, and are ripe for further consolidation. Change-Id: I05e4a450e3e89e03616906601c4f8fa46200dff5
23 lines
600 B
C
23 lines
600 B
C
#ifndef __EROSQLINUX_CODEC__
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#define __EROSQLINUX_CODEC__
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#define AUDIOHW_CAPS (LINEOUT_CAP)
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/* a small DC offset prevents play/pause clicking due to the DAC auto-muting */
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#define PCM_DC_OFFSET_VALUE -1
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/*
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* Note: Maximum volume is set one step below unity in order to
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* avoid overflowing pcm samples due to our DC Offset.
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*
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* The DAC's output is hot enough this should not be an issue.
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*/
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AUDIOHW_SETTING(VOLUME, "dB", 0, 2, -74, -2, -40)
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//#define AUDIOHW_NEEDS_INITIAL_UNMUTE
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void audiohw_mute(int mute);
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void erosq_set_output(int ps);
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int erosq_get_outputs(void);
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#endif
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