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2025-06-09soundwire: update Intel BPT message length limitationBard Liao1-1/+1
The limitation of "must be multiples of 32 bytes" does not fit the requirement of current Intel platforms. Update it to meet the requirement. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20250429122337.142551-1-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2025-03-10Documentation: driver: add SoundWire BRA descriptionPierre-Louis Bossart1-0/+336
The Bulk Register Access protocol was left as a TODO topic since 2018. It's time to document this protocol and the design of its Linux support. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Tested-by: shumingf@realtek.com Link: https://lore.kernel.org/r/20250227140615.8147-2-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>