aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/i2c.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r--include/linux/i2c.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index bc8d42f8544f..2a98d0886d2e 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -661,6 +661,10 @@ struct i2c_adapter_quirks {
I2C_AQ_COMB_READ_SECOND | I2C_AQ_COMB_SAME_ADDR)
/* clock stretching is not supported */
#define I2C_AQ_NO_CLK_STRETCH BIT(4)
+/* message cannot have length of 0 */
+#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)
/*
* i2c_adapter is the structure used to identify a physical i2c bus along