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authorAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-07-25 15:54:59 +0200
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-09-05 13:19:11 +0200
commit2e10e74df72ff0f8ea65eb1ee6e39ed8278a91bf (patch)
treeb7b99ef8063252cf6d2c311df30a20bb5839d2be /drivers/rtc
parentrtc: rx8025: only handle dates between 2000 and 2099 (diff)
downloadlinux-2e10e74df72ff0f8ea65eb1ee6e39ed8278a91bf.tar.xz
linux-2e10e74df72ff0f8ea65eb1ee6e39ed8278a91bf.zip
rtc: rx8025: fix transfer mode
The datasheet specifies that transfer mode must be 0 for write and either 0x4 (simplified read) or 0 (standard read). 0x8 is not specified, use standard mode. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-rx8025.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index 3612362b65ac..771558602409 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -77,7 +77,7 @@ struct rx8025_data {
static int rx8025_read_reg(struct i2c_client *client, int number, u8 *value)
{
- int ret = i2c_smbus_read_byte_data(client, (number << 4) | 0x08);
+ int ret = i2c_smbus_read_byte_data(client, number << 4);
if (ret < 0) {
dev_err(&client->dev, "Unable to read register #%d\n", number);
@@ -91,7 +91,7 @@ static int rx8025_read_reg(struct i2c_client *client, int number, u8 *value)
static int rx8025_read_regs(struct i2c_client *client,
int number, u8 length, u8 *values)
{
- int ret = i2c_smbus_read_i2c_block_data(client, (number << 4) | 0x08,
+ int ret = i2c_smbus_read_i2c_block_data(client, number << 4,
length, values);
if (ret != length) {
@@ -117,7 +117,7 @@ static int rx8025_write_reg(struct i2c_client *client, int number, u8 value)
static int rx8025_write_regs(struct i2c_client *client,
int number, u8 length, u8 *values)
{
- int ret = i2c_smbus_write_i2c_block_data(client, (number << 4) | 0x08,
+ int ret = i2c_smbus_write_i2c_block_data(client, number << 4,
length, values);
if (ret)