Commit 85e56052 authored by Julien Stephan's avatar Julien Stephan Committed by Jonathan Cameron
Browse files

iio: adc: ad7380: enable regmap cache 



Enable regmap cache, to avoid useless access on spi bus.

Reviewed-by: default avatarDavid Lechner <dlechner@baylibre.com>
Signed-off-by: default avatarJulien Stephan <jstephan@baylibre.com>
Link: https://patch.msgid.link/20250108-ad7380-add-alert-support-v4-2-1751802471ba@baylibre.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 39bc50e0

drivers/iio/adc/ad7380.c

+18 −0
Original line number Diff line number Diff line
@@ -663,6 +663,20 @@ static int ad7380_regmap_reg_read(void *context, unsigned int reg, 
	return 0;

}



static const struct reg_default ad7380_reg_defaults[] = {

	{ AD7380_REG_ADDR_ALERT_LOW_TH, 0x800 },

	{ AD7380_REG_ADDR_ALERT_HIGH_TH, 0x7FF },

};



static const struct regmap_range ad7380_volatile_reg_ranges[] = {

	regmap_reg_range(AD7380_REG_ADDR_CONFIG2, AD7380_REG_ADDR_ALERT),

};



static const struct regmap_access_table ad7380_volatile_regs = {

	.yes_ranges = ad7380_volatile_reg_ranges,

	.n_yes_ranges = ARRAY_SIZE(ad7380_volatile_reg_ranges),

};



static const struct regmap_config ad7380_regmap_config = {

	.reg_bits = 3,

	.val_bits = 12,
@@ -670,6 +684,10 @@ static const struct regmap_config ad7380_regmap_config = { 
	.reg_write = ad7380_regmap_reg_write,

	.max_register = AD7380_REG_ADDR_ALERT_HIGH_TH,

	.can_sleep = true,

	.reg_defaults = ad7380_reg_defaults,

	.num_reg_defaults = ARRAY_SIZE(ad7380_reg_defaults),

	.volatile_table = &ad7380_volatile_regs,

	.cache_type = REGCACHE_MAPLE,

};



static int ad7380_debugfs_reg_access(struct iio_dev *indio_dev, u32 reg,