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SLIMbus devices use value-element, and information elements to control device parameters (e.g. value element is used to represent gain for codec, information element is used to represent interrupt status for codec when codec interrupt fires). Messaging APIs are used to set/get these value and information elements. SLIMbus specification uses 8-bit "transaction IDs" for messages where a read-value is anticipated. Framework uses a table of pointers to store those TIDs and responds back to the caller in O(1). Caller can do synchronous and asynchronous reads/writes. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviwed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| Kconfig | ||
| Makefile | ||
| core.c | ||
| messaging.c | ||
| slimbus.h | ||