return 0;
}
+#define enable_flag(x) (x)
+#define disable_flag(x) 0
+#define enable_flag_if(x, cond) ((cond) ? (x) : 0)
+
static u32 i801_func(struct i2c_adapter *adapter)
{
struct i2c_device *priv = i2c_get_adapdata(adapter);
// http://lxr.free-electrons.com/source/include/uapi/linux/i2c.h#L85
u32 f =
- I2C_FUNC_I2C | /* 0x00000001(I enabled this
- * one)
- */
- !I2C_FUNC_10BIT_ADDR | /* 0x00000002 */
- !I2C_FUNC_PROTOCOL_MANGLING | /* 0x00000004 */
- ((priv->features & FEATURE_SMBUS_PEC) ?
- I2C_FUNC_SMBUS_PEC : 0) | /* 0x00000008 */
- !I2C_FUNC_SMBUS_BLOCK_PROC_CALL | /* 0x00008000 */
- I2C_FUNC_SMBUS_QUICK | /* 0x00010000 */
- !I2C_FUNC_SMBUS_READ_BYTE | /* 0x00020000 */
- !I2C_FUNC_SMBUS_WRITE_BYTE | /* 0x00040000 */
- !I2C_FUNC_SMBUS_READ_BYTE_DATA | /* 0x00080000 */
- !I2C_FUNC_SMBUS_WRITE_BYTE_DATA | /* 0x00100000 */
- !I2C_FUNC_SMBUS_READ_WORD_DATA | /* 0x00200000 */
- !I2C_FUNC_SMBUS_WRITE_WORD_DATA | /* 0x00400000 */
- !I2C_FUNC_SMBUS_PROC_CALL | /* 0x00800000 */
- !I2C_FUNC_SMBUS_READ_BLOCK_DATA | /* 0x01000000 */
- !I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | /* 0x02000000 */
- ((priv->features & FEATURE_I2C_BLOCK_READ) ?
- I2C_FUNC_SMBUS_READ_I2C_BLOCK : 0) | /* 0x04000000 */
- I2C_FUNC_SMBUS_WRITE_I2C_BLOCK | /* 0x08000000 */
-
- I2C_FUNC_SMBUS_BYTE | /* _READ_BYTE _WRITE_BYTE */
- I2C_FUNC_SMBUS_BYTE_DATA | /* _READ_BYTE_DATA
- * _WRITE_BYTE_DATA
- */
- I2C_FUNC_SMBUS_WORD_DATA | /* _READ_WORD_DATA
- * _WRITE_WORD_DATA
- */
- I2C_FUNC_SMBUS_BLOCK_DATA | /* _READ_BLOCK_DATA
- * _WRITE_BLOCK_DATA
- */
- !I2C_FUNC_SMBUS_I2C_BLOCK | /* _READ_I2C_BLOCK
- * _WRITE_I2C_BLOCK
- */
- !I2C_FUNC_SMBUS_EMUL; /* _QUICK _BYTE
+ enable_flag(I2C_FUNC_I2C) | /* 0x00000001(I enabled this one) */
+ disable_flag(I2C_FUNC_10BIT_ADDR) | /* 0x00000002 */
+ disable_flag(I2C_FUNC_PROTOCOL_MANGLING) | /* 0x00000004 */
+ enable_flag_if(I2C_FUNC_SMBUS_PEC,
+ priv->features & FEATURE_SMBUS_PEC) |
+ /* 0x00000008 */
+ disable_flag(I2C_FUNC_SMBUS_BLOCK_PROC_CALL) | /* 0x00008000 */
+ enable_flag(I2C_FUNC_SMBUS_QUICK) | /* 0x00010000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_BYTE) | /* 0x00020000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_BYTE) | /* 0x00040000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_BYTE_DATA) | /* 0x00080000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_BYTE_DATA) | /* 0x00100000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_WORD_DATA) | /* 0x00200000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_WORD_DATA) | /* 0x00400000 */
+ disable_flag(I2C_FUNC_SMBUS_PROC_CALL) | /* 0x00800000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_BLOCK_DATA) | /* 0x01000000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) | /* 0x02000000 */
+ enable_flag_if(I2C_FUNC_SMBUS_READ_I2C_BLOCK,
+ priv->features & FEATURE_I2C_BLOCK_READ) |
+ /* 0x04000000 */
+ enable_flag(I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) | /* 0x08000000 */
+
+ enable_flag(I2C_FUNC_SMBUS_BYTE) | /* _READ_BYTE _WRITE_BYTE */
+ enable_flag(I2C_FUNC_SMBUS_BYTE_DATA) | /* _READ_BYTE_DATA
+ * _WRITE_BYTE_DATA
+ */
+ enable_flag(I2C_FUNC_SMBUS_WORD_DATA) | /* _READ_WORD_DATA
+ * _WRITE_WORD_DATA
+ */
+ enable_flag(I2C_FUNC_SMBUS_BLOCK_DATA) | /* _READ_BLOCK_DATA
+ * _WRITE_BLOCK_DATA
+ */
+ disable_flag(I2C_FUNC_SMBUS_I2C_BLOCK) | /* _READ_I2C_BLOCK
+ * _WRITE_I2C_BLOCK
+ */
+ disable_flag(I2C_FUNC_SMBUS_EMUL); /* _QUICK _BYTE
* _BYTE_DATA _WORD_DATA
* _PROC_CALL
* _WRITE_BLOCK_DATA
return f;
}
+#undef enable_flag
+#undef disable_flag
+#undef enable_flag_if
+
static const struct i2c_algorithm smbus_algorithm = {
.smbus_xfer = i801_access,
.functionality = i801_func,