[v3,1/2] i2c: Add I2C_AQ_NO_REP_START adapter quirk

Message ID 20210318115210.2014204-2-bence98@sch.bme.hu
State New
Headers show
Series
  • Add i2c-cp2615
Related show

Commit Message

Bence Csókás March 18, 2021, 11:52 a.m.
This quirk signifies that the adapter cannot do a repeated
START, it always issues a STOP condition after transfers.

Signed-off-by: Bence Csókás <bence98@sch.bme.hu>
---
 include/linux/i2c.h | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 56622658b215..a670ae129f4b 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -687,6 +687,8 @@  struct i2c_adapter_quirks {
 #define I2C_AQ_NO_ZERO_LEN_READ		BIT(5)
 #define I2C_AQ_NO_ZERO_LEN_WRITE	BIT(6)
 #define I2C_AQ_NO_ZERO_LEN		(I2C_AQ_NO_ZERO_LEN_READ | I2C_AQ_NO_ZERO_LEN_WRITE)
+/* adapter cannot do repeated START */
+#define I2C_AQ_NO_REP_START		BIT(7)
 
 /*
  * i2c_adapter is the structure used to identify a physical i2c bus along