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* Move DSP_CALLBACK_* enum to sound.h

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* Add software based volume control for a certain range (SW_VOLUME_MIN -> SW_VOLUME_MAX)
 * Make Onda VX747 use it
 * Don't change volume or frequency in Ingenic Jz4740 codec driver when they're already set


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22106 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-08-01 21:38:18 +00:00
parent 1ace06a67d
commit 3c7c79189e
6 changed files with 52 additions and 32 deletions
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13
firmware/export/sound.h
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@ -24,6 +24,19 @@
#include <inttypes.h>
#include <audiohw.h>
#if CONFIG_CODEC == SWCODEC
enum {
DSP_CALLBACK_SET_PRESCALE = 0,
DSP_CALLBACK_SET_BASS,
DSP_CALLBACK_SET_TREBLE,
DSP_CALLBACK_SET_CHANNEL_CONFIG,
DSP_CALLBACK_SET_STEREO_WIDTH,
#ifdef HAVE_SW_VOLUME_CONTROL
DSP_CALLBACK_SET_SW_VOLUME,
#endif
};
#endif
typedef void sound_set_type(int value);
const char *sound_unit(int setting);