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audiohw: avoid magic numbers for DAC power mode

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Define proper symbolic constants for power mode. Also allow
targets to define the default power mode setting.

Change-Id: Ia07cf854dce47d0a6aa88e067471f1ff9fbc45fb
This commit is contained in:
Aidan MacDonald 2022-01-10 21:50:32 +00:00
parent 18b3e91707
commit dac3175445
6 changed files with 20 additions and 7 deletions
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4
firmware/export/ak4376.h
View file

@ -144,8 +144,8 @@ extern void ak4376_set_filter_roll_off(int val);
* and power-up / power-down sequences as a frequency switch, so both settings
* are controlled by this function.
*
* high power mode -- use power_mode=0
* low power mode -- use power_mode=1
* high power mode -- use power_mode=SOUND_HIGH_POWER
* low power mode -- use power_mode=SOUND_LOW_POWER
*/
extern void ak4376_set_freqmode(int fsel, int mult, int power_mode);

6
firmware/export/audiohw.h
View file

@ -605,6 +605,12 @@ void audiohw_set_filter_roll_off(int val);
#endif
#ifdef AUDIOHW_HAVE_POWER_MODE
enum audiohw_power_mode
{
SOUND_HIGH_POWER = 0,
SOUND_LOW_POWER,
};
/**
* Set DAC's power saving mode.
* @param enable 0 - highest performance, 1 - battery saving