To preserve power during sleep operations, handle suspend (S3), hibernation (S4) and runtime (RTD3) transitions. As flow for all of is shared, define common handlers to reduce code size. Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20220516101116.190192-14-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>