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regmap: ac97: Add generic AC'97 callbacks

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Use the recently added support for bus operations to provide a standard
mapping for AC'97 register I/O.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Mark Brown
2014-11-18 19:45:51 +01:00
parent f114040e3e
commit 22853223d1
4 changed files with 126 additions and 1 deletions
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7
include/linux/regmap.h
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@@ -27,6 +27,7 @@ struct spmi_device;
struct regmap;
struct regmap_range_cfg;
struct regmap_field;
struct snd_ac97;
/* An enum of all the supported cache types */
enum regcache_type {
@@ -340,6 +341,8 @@ struct regmap *regmap_init_spmi_ext(struct spmi_device *dev,
struct regmap *regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config);
struct regmap *regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config);
struct regmap *devm_regmap_init(struct device *dev,
const struct regmap_bus *bus,
@@ -356,6 +359,10 @@ struct regmap *devm_regmap_init_spmi_ext(struct spmi_device *dev,
struct regmap *devm_regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config);
struct regmap *devm_regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config);
bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
/**
* regmap_init_mmio(): Initialise register map