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Fix Error in caching of register

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zeroway
2016-11-03 13:16:36 +00:00
parent f8b67d587f
commit ffc7c15849
1 changed files with 3 additions and 13 deletions
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16
debug/regulator/act8846.c
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@ -23,6 +23,7 @@
#include <linux/regmap.h>
#include <asm/system_misc.h>
#define REGISTER_NUMBERS 0xF5
#define ACT8846_BUCK1_SET_VOL_BASE 0x10
//#define ACT8846_LDO8_CONTR_BASE 0xA1
#define ACT8846_NUM_REGULATORS 12
@ -148,18 +149,14 @@ MODULE_DEVICE_TABLE(i2c, act8846_i2c_id);
/* regmap config */
static bool is_volatile_reg(struct device *dev, unsigned int reg)
{
if ((reg >= ACT8846_BUCK1_SET_VOL_BASE) && (reg <= ACT8846_LDO8_CONTR_BASE)) {
return true;
}
return true;
}
static const struct regmap_config act8846_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.volatile_reg = is_volatile_reg,
.max_register = ACT8846_NUM_REGULATORS - 1,
//.volatile_reg = is_volatile_reg,
.max_register = REGISTER_NUMBERS,
.cache_type = REGCACHE_RBTREE,
};
@ -868,18 +865,11 @@ static int act8846_i2c_probe(struct i2c_client *client, const struct i2c_device_
printk("act8846 reg[0x22] = %d\n", rval);
/* enable pwm function of gpio3 */
#if 0//Error in caching of register
ret = regmap_write(chip->regmap, 0xf4, 1);
if (ret < 0) {
printk("act8846 set 0xf4 error!\n");
return -1;
}
#endif
ret = act8846_set_bits(chip, 0xf4,(0x1<<7),(0x0<<7));
if (ret < 0) {
printk("act8846 set 0xf4 error!\n");
return -1;
}
/* 解析DT */
if (chip->dev->of_node)