i2c-stub: Expose the default functionality flags
PATCH 1/1 i2c-stub: Expose the default functionality flags
It is easier to adjust the flags when you know their default value.
Signed-off-by Jean Delvare <[email protected]>
Cc Mark M. Hoffman <mhoffman-xQSgfq/[email protected]>
--- drivers/i2c/busses/i2c-stub.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
drivers/i2c/busses/i2c-stub.c +5 -4
@@ -29,13 +29,16 @@#include <linux/i2c.h> #define MAX_CHIPS 10 +#define STUB_FUNC (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | \ + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | \ + I2C_FUNC_SMBUS_I2C_BLOCK)static unsigned short chip_addr[MAX_CHIPS ];module_param_array (chip_addr, ushort,NULL ,S_IRUGO );MODULE_PARM_DESC (chip_addr,"Chip addresses (up to 10, between 0x03 and 0x77)" ); -static unsigned long functionality = ~0UL ; +static unsigned long functionality =STUB_FUNC ;module_param (functionality, ulong,S_IRUGO |S_IWUSR );MODULE_PARM_DESC (functionality,"Override functionality bitfield" );
@@ -156,9 +159,7 @@ static s32 stub_xfer(struct i2c_adapterstatic u32 stub_func (struct i2c_adapter *adapter) { -return (I2C_FUNC_SMBUS_QUICK |I2C_FUNC_SMBUS_BYTE | -I2C_FUNC_SMBUS_BYTE_DATA |I2C_FUNC_SMBUS_WORD_DATA | -I2C_FUNC_SMBUS_I2C_BLOCK ) & functionality; +return STUB_FUNC & functionality; }static const struct i2c_algorithm smbus_algorithm = {
Signature · 1 line
Jean Delvare