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path: root/drivers/rtc/rtc-isl1208.c
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Diffstat (limited to 'drivers/rtc/rtc-isl1208.c')
-rw-r--r--drivers/rtc/rtc-isl1208.c37
1 files changed, 4 insertions, 33 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index ec5ef518a09b..37ab3e1d25f5 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -84,29 +84,13 @@ static int
isl1208_i2c_read_regs(struct i2c_client *client, u8 reg, u8 buf[],
unsigned len)
{
- u8 reg_addr[1] = { reg };
- struct i2c_msg msgs[2] = {
- {
- .addr = client->addr,
- .len = sizeof(reg_addr),
- .buf = reg_addr
- },
- {
- .addr = client->addr,
- .flags = I2C_M_RD,
- .len = len,
- .buf = buf
- }
- };
int ret;
WARN_ON(reg > ISL1219_REG_YRT);
WARN_ON(reg + len > ISL1219_REG_YRT + 1);
- ret = i2c_transfer(client->adapter, msgs, 2);
- if (ret > 0)
- ret = 0;
- return ret;
+ ret = i2c_smbus_read_i2c_block_data(client, reg, len, buf);
+ return (ret < 0) ? ret : 0;
}
/* block write */
@@ -114,26 +98,13 @@ static int
isl1208_i2c_set_regs(struct i2c_client *client, u8 reg, u8 const buf[],
unsigned len)
{
- u8 i2c_buf[ISL1208_REG_USR2 + 2];
- struct i2c_msg msgs[1] = {
- {
- .addr = client->addr,
- .len = len + 1,
- .buf = i2c_buf
- }
- };
int ret;
WARN_ON(reg > ISL1219_REG_YRT);
WARN_ON(reg + len > ISL1219_REG_YRT + 1);
- i2c_buf[0] = reg;
- memcpy(&i2c_buf[1], &buf[0], len);
-
- ret = i2c_transfer(client->adapter, msgs, 1);
- if (ret > 0)
- ret = 0;
- return ret;
+ ret = i2c_smbus_write_i2c_block_data(client, reg, len, buf);
+ return (ret < 0) ? ret : 0;
}
/* simple check to see whether we have a isl1208 */