The es8316 driver uses a register range to specify the single volatile register it has. While the cost will be in the noise this is a bunch of overhead compared to just having a volatile_reg() callback so switch to the callback.

Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/codecs/es8316.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c index 056c3082fe02..1736a905abdb 100644 --- a/sound/soc/codecs/es8316.c +++ b/sound/soc/codecs/es8316.c @@ -803,14 +803,15 @@ static const struct snd_soc_component_driver soc_component_dev_es8316 = { .endianness = 1, };

-static const struct regmap_range es8316_volatile_ranges[] = { - regmap_reg_range(ES8316_GPIO_FLAG, ES8316_GPIO_FLAG), -}; - -static const struct regmap_access_table es8316_volatile_table = { - .yes_ranges = es8316_volatile_ranges, - .n_yes_ranges = ARRAY_SIZE(es8316_volatile_ranges), -}; +static bool es8316_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ES8316_GPIO_FLAG: + return true; + default: + return false; + } +}

static const struct regmap_config es8316_regmap = { .reg_bits = 8, @@ -818,7 +819,7 @@ static const struct regmap_config es8316_regmap = { .use_single_read = true, .use_single_write = true, .max_register = 0x53, - .volatile_table = &es8316_volatile_table, + .volatile_reg = es8316_volatile_reg, .cache_type = REGCACHE_RBTREE, };

--- base-commit: e8d018dd0257f744ca50a729e3d042cf2ec9da65 change-id: 20230419-asoc-es8316-volatile-5083c880627d

Best regards,