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Commit 2e10e74d authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

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: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 32672c55

drivers/rtc/rtc-rx8025.c

+3 −3
Original line number Diff line number Diff line
@@ -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)