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authorMatt Ranostay <mranostay@gmail.com>2016-02-13 17:20:42 -0800
committerJonathan Cameron <jic23@kernel.org>2016-02-19 18:57:13 +0000
commit0d43b3468871f5d5194edfe7052b6a49691eb6fd (patch)
tree4276b06fa10a6b7dddf40a2506fdd5bb7445d5d4 /drivers/iio/chemical
parent3347a0656e7a83b959b1d0ad5396fb4f9c9b2a0e (diff)
iio: chemical: atlas-ph-sensor: switch regmap cache
switch from using REGCACHE_FLAT to REGCACHE_RBTREE so initial hw values are read from device. This also allows some volatile ranges to be dropped. Note that REGCACHE_FLAT is intended only for very low lag cases so doesn't do nice things like read initial values from the device. Hence this change. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/chemical')
-rw-r--r--drivers/iio/chemical/atlas-ph-sensor.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c
index 06cd49cbfae1..71c8e02ea48a 100644
--- a/drivers/iio/chemical/atlas-ph-sensor.c
+++ b/drivers/iio/chemical/atlas-ph-sensor.c
@@ -65,8 +65,6 @@ struct atlas_data {
static const struct regmap_range atlas_volatile_ranges[] = {
regmap_reg_range(ATLAS_REG_INT_CONTROL, ATLAS_REG_INT_CONTROL),
- regmap_reg_range(ATLAS_REG_CALIB_STATUS, ATLAS_REG_CALIB_STATUS),
- regmap_reg_range(ATLAS_REG_TEMP_DATA, ATLAS_REG_TEMP_DATA + 4),
regmap_reg_range(ATLAS_REG_PH_DATA, ATLAS_REG_PH_DATA + 4),
};
@@ -83,7 +81,7 @@ static const struct regmap_config atlas_regmap_config = {
.volatile_table = &atlas_volatile_table,
.max_register = ATLAS_REG_PH_DATA + 4,
- .cache_type = REGCACHE_FLAT,
+ .cache_type = REGCACHE_RBTREE,
};
static const struct iio_chan_spec atlas_channels[] = {