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Diffstat (limited to 'include/sound/uda134x.h')
| -rw-r--r-- | include/sound/uda134x.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/sound/uda134x.h b/include/sound/uda134x.h new file mode 100644 index 00000000..e475659b --- /dev/null +++ b/include/sound/uda134x.h @@ -0,0 +1,39 @@ +/* + * uda134x.h -- UDA134x ALSA SoC Codec driver + * + * Copyright 2007 Dension Audio Systems Ltd. + * Author: Zoltan Devai + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _UDA134X_H +#define _UDA134X_H + +#include <sound/l3.h> + +struct uda134x_platform_data { + struct l3_pins l3; + void (*power) (int); + int model; + /* + ALSA SOC usually puts the device in standby mode when it's not used + for sometime. If you unset is_powered_on_standby the driver will + turn off the ADC/DAC when this callback is invoked and turn it back + on when needed. Unfortunately this will result in a very light bump + (it can be audible only with good earphones). If this bothers you + set is_powered_on_standby, you will have slightly higher power + consumption. Please note that sending the L3 command for ADC is + enough to make the bump, so it doesn't make difference if you + completely take off power from the codec. + */ + int is_powered_on_standby; +#define UDA134X_UDA1340 1 +#define UDA134X_UDA1341 2 +#define UDA134X_UDA1344 3 +#define UDA134X_UDA1345 4 +}; + +#endif /* _UDA134X_H */ |