Upgrade to Jellybean version of TinyHAL
This brings in the Jellybean version of TinyHAL. This is a
significant update compared to the Ice Cream Sandwich version.
- The audio_hw.c has been replaced by code based on asus/grouper
so it is useful in real devices
- The config file parser + routing control has been completely
rewritten and now builds to a separate library so that it can
be used by alternative HALs without having to branch the source
- There are now more capabilities in the audio routing configuration:
- Support for setting binary controls
- Support for defining compressed streams
- Support for defining custom streams for hardware-hardware links
- You can now define a stream-specific set of control values for
each device, in addition to the basic device enable/disable
settings that were supported by the ICS version. This means
that when a stream is connected to or disconnected from a
device you can invoke control settings that are specific to
that {stream:device} combination.
- You can now define custom usecases within each stream, which
the audio HAL can invoke by name. This allows custom use-cases
without having to hardcode knowledge of all types of hardware
into TinyHAL. The audio_hw.c file supplied with TinyHAL passes
set_parameter() strings to this to allow you to define special
control settings to apply when a parameter string has a certain
value.
- The file audio.example.xml contains documentation of the
configuration file format and how to use the features.
The configuration file format has changed slightly to accommodate the
new features, and also to make it more regular and expandable. The
effort to convert an old config file to the new format is minimal.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
7 files changed
