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authorBence Csókás <bence98@sch.bme.hu>2021-03-31 19:19:20 +0000
committerWolfram Sang <wsa@kernel.org>2021-04-05 22:40:59 +0200
commitaca01415e076aa96cca0f801f4420ee5c10c660d (patch)
tree84fbe788720fdb056522020a6d0903bccda0af8a /include/linux/i2c.h
parentc126f7c3b8c41f5ca146e52e70ae927e3be30060 (diff)
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i2c: Add I2C_AQ_NO_REP_START adapter quirk
This quirk signifies that the adapter cannot do a repeated START, it always issues a STOP condition after transfers. Suggested-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Bence Csókás <bence98@sch.bme.hu> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r--include/linux/i2c.h2
1 files changed, 2 insertions, 0 deletions
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