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ASoC: SOF: Introduce offset in firmware data

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It makes possible to provide extra information to host
before downloading firmware. Extra data should be put
at the beginning of firmware binary.
Exchange is done without any effort on DSP side.
This mechanism will be used in extended manifest.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200415202816.934-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Karol Trzcinski
2020-04-15 15:27:55 -05:00
committed by Mark Brown
parent 0730c0928d
commit 92be17a559
3 changed files with 29 additions and 12 deletions
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3
include/sound/sof.h
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@@ -27,6 +27,9 @@ struct snd_sof_pdata {
struct device *dev;
/* indicate how many first bytes shouldn't be loaded into DSP memory. */
size_t fw_offset;
/*
* notification callback used if the hardware initialization
* can take time or is handled in a workqueue. This callback