Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: adc: ad7380: enable regmap cache
Enable regmap cache, to avoid useless access on spi bus.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Link: https://patch.msgid.link/20250108-ad7380-add-alert-support-v4-2-1751802471ba@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Julien Stephan
and committed by
Jonathan Cameron
85e56052
39bc50e0
+18
+18
drivers/iio/adc/ad7380.c
+18
drivers/iio/adc/ad7380.c
···
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return 0;
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}
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static const struct reg_default ad7380_reg_defaults[] = {
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{ AD7380_REG_ADDR_ALERT_LOW_TH, 0x800 },
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{ AD7380_REG_ADDR_ALERT_HIGH_TH, 0x7FF },
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};
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static const struct regmap_range ad7380_volatile_reg_ranges[] = {
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regmap_reg_range(AD7380_REG_ADDR_CONFIG2, AD7380_REG_ADDR_ALERT),
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};
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static const struct regmap_access_table ad7380_volatile_regs = {
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.yes_ranges = ad7380_volatile_reg_ranges,
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.n_yes_ranges = ARRAY_SIZE(ad7380_volatile_reg_ranges),
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};
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+
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static const struct regmap_config ad7380_regmap_config = {
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.reg_bits = 3,
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.val_bits = 12,
···
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.reg_write = ad7380_regmap_reg_write,
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.max_register = AD7380_REG_ADDR_ALERT_HIGH_TH,
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.can_sleep = true,
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.reg_defaults = ad7380_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(ad7380_reg_defaults),
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.volatile_table = &ad7380_volatile_regs,
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.cache_type = REGCACHE_MAPLE,
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};
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static int ad7380_debugfs_reg_access(struct iio_dev *indio_dev, u32 reg,