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path: root/drivers/mfd/88pm860x-i2c.c
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Diffstat (limited to 'drivers/mfd/88pm860x-i2c.c')
-rw-r--r--drivers/mfd/88pm860x-i2c.c66
1 files changed, 1 insertions, 65 deletions
diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index a93b4d0134a2..84e313107233 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -122,7 +122,7 @@ static int read_device(struct i2c_client *i2c, int reg,
static int write_device(struct i2c_client *i2c, int reg,
int bytes, void *src)
{
- unsigned char buf[bytes + 1];
+ unsigned char buf[2];
struct i2c_adapter *adap = i2c->adapter;
struct i2c_msg msg;
int ret;
@@ -140,26 +140,6 @@ static int write_device(struct i2c_client *i2c, int reg,
return 0;
}
-int pm860x_page_reg_read(struct i2c_client *i2c, int reg)
-{
- unsigned char zero = 0;
- unsigned char data;
- int ret;
-
- i2c_lock_adapter(i2c->adapter);
- read_device(i2c, 0xFA, 0, &zero);
- read_device(i2c, 0xFB, 0, &zero);
- read_device(i2c, 0xFF, 0, &zero);
- ret = read_device(i2c, reg, 1, &data);
- if (ret >= 0)
- ret = (int)data;
- read_device(i2c, 0xFE, 0, &zero);
- read_device(i2c, 0xFC, 0, &zero);
- i2c_unlock_adapter(i2c->adapter);
- return ret;
-}
-EXPORT_SYMBOL(pm860x_page_reg_read);
-
int pm860x_page_reg_write(struct i2c_client *i2c, int reg,
unsigned char data)
{
@@ -195,47 +175,3 @@ int pm860x_page_bulk_read(struct i2c_client *i2c, int reg,
return ret;
}
EXPORT_SYMBOL(pm860x_page_bulk_read);
-
-int pm860x_page_bulk_write(struct i2c_client *i2c, int reg,
- int count, unsigned char *buf)
-{
- unsigned char zero = 0;
- int ret;
-
- i2c_lock_adapter(i2c->adapter);
- read_device(i2c, 0xFA, 0, &zero);
- read_device(i2c, 0xFB, 0, &zero);
- read_device(i2c, 0xFF, 0, &zero);
- ret = write_device(i2c, reg, count, buf);
- read_device(i2c, 0xFE, 0, &zero);
- read_device(i2c, 0xFC, 0, &zero);
- i2c_unlock_adapter(i2c->adapter);
- i2c_unlock_adapter(i2c->adapter);
- return ret;
-}
-EXPORT_SYMBOL(pm860x_page_bulk_write);
-
-int pm860x_page_set_bits(struct i2c_client *i2c, int reg,
- unsigned char mask, unsigned char data)
-{
- unsigned char zero;
- unsigned char value;
- int ret;
-
- i2c_lock_adapter(i2c->adapter);
- read_device(i2c, 0xFA, 0, &zero);
- read_device(i2c, 0xFB, 0, &zero);
- read_device(i2c, 0xFF, 0, &zero);
- ret = read_device(i2c, reg, 1, &value);
- if (ret < 0)
- goto out;
- value &= ~mask;
- value |= data;
- ret = write_device(i2c, reg, 1, &value);
-out:
- read_device(i2c, 0xFE, 0, &zero);
- read_device(i2c, 0xFC, 0, &zero);
- i2c_unlock_adapter(i2c->adapter);
- return ret;
-}
-EXPORT_SYMBOL(pm860x_page_set_bits);