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daab108504
Add helper functions for handling Universal Message Passing (UMP) buffers on SDCA devices. These are generic mechanisms to pass blocks of binary data between the host and the device, in both directions. They are used for things like passing HID descriptors and the File Download process. Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Link: https://patch.msgid.link/20251020155512.353774-13-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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