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mfd: Convert wm8350 physical I/O to regmap API

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The driver still uses a custom cache implementation but the underlying
physical I/O is now done using the regmap API, saving some code and
avoiding allocating enormous scratch arrays on the stack.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown
2012-05-07 10:03:21 +01:00
committed by Samuel Ortiz
parent ce7e4e1122
commit b7b142d9fc
3 changed files with 27 additions and 66 deletions
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9
include/linux/mfd/wm8350/core.h
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@@ -602,6 +602,7 @@ extern const u16 wm8352_mode2_defaults[];
extern const u16 wm8352_mode3_defaults[];
struct wm8350;
struct regmap;
struct wm8350_hwmon {
struct platform_device *pdev;
@@ -612,13 +613,7 @@ struct wm8350 {
struct device *dev;
/* device IO */
union {
struct i2c_client *i2c_client;
struct spi_device *spi_device;
};
int (*read_dev)(struct wm8350 *wm8350, char reg, int size, void *dest);
int (*write_dev)(struct wm8350 *wm8350, char reg, int size,
void *src);
struct regmap *regmap;
u16 *reg_cache;
struct mutex auxadc_mutex;