HDA has a use case for checking if a register is present in the cache
which it awkwardly open codes with use of _cache_only() and a read,
provide a direct API for this.
---
Mark Brown (3):
regmap: Let users check if a register is cached
regmap: Provide test for regcache_reg_present()
ALSA: hda: Use regcache_reg_cached() rather than open coding
drivers/base/regmap/regcache.c | 23 ++++++++++++++++++++++
drivers/base/regmap/regmap-kunit.c | 40 ++++++++++++++++++++++++++++++++++++++
include/linux/regmap.h | 1 +
sound/hda/hdac_regmap.c | 9 +++------
4 files changed, 67 insertions(+), 6 deletions(-)
---
base-commit: 3953d5c79c21defa716624a8623c4157c0f2fee0
change-id: 20230716-regmap-cache-check-6f6939f41ed5
Best regards,
--
Mark Brown <broonie@xxxxxxxxxx>
