diff options
| author | I Viswanath <viswanathiyyappan@gmail.com> | 2025-07-09 20:37:18 +0530 |
|---|---|---|
| committer | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-07-14 09:15:58 +0200 |
| commit | c3ff7f06c7876bc292cac1c7d4df3d0bfd74f3b7 (patch) | |
| tree | e64d0ada3e24a1a73d930ed70a114934f7407c2f | |
| parent | 6b07ea713486587c48e6dd599e6307806fdd794a (diff) | |
i2c: Clarify behavior of I2C_M_RD flag
Update the description of I2C_M_RD to clarify that not setting it
signals a write transaction
Signed-off-by: I Viswanath <viswanathiyyappan@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
| -rw-r--r-- | include/uapi/linux/i2c.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/uapi/linux/i2c.h b/include/uapi/linux/i2c.h index 92326ebde350..a2db2a56c8b0 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 only sense |