| Message ID | 20250510212721.29829-1-viswanathiyyappan@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] i2c: Clarify behavior of I2C_M_RD flag | expand |
diff --git a/include/uapi/linux/i2c.h b/include/uapi/linux/i2c.h index aa751389de07..29b149ca4b70 100644 --- a/include/uapi/linux/i2c.h +++ b/include/uapi/linux/i2c.h @@ -21,7 +21,8 @@ * * @flags: * Supported by all adapters: - * %I2C_M_RD: read data (from slave to master). Guaranteed to be 0x0001! + * %I2C_M_RD: read data (from slave to master). Guaranteed to be 0x0001! If + * not set, the transaction is interpreted as write. * * Optional: * %I2C_M_DMA_SAFE: the buffer of this message is DMA safe. Makes sense only
Update the description of I2C_M_RD to clarify that not setting it signals a write transaction Signed-off-by: Viswanath <viswanathiyyappan@gmail.com> --- include/uapi/linux/i2c.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)