aboutsummaryrefslogtreecommitdiff
path: root/Documentation/i2c/writing-clients
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/i2c/writing-clients')
-rw-r--r--Documentation/i2c/writing-clients8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index d4cd4126d1a..ba5d1971f35 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -598,10 +598,10 @@ be added back later if needed:
u8 command, u8 length,
u8 *values)
-All these transactions return -1 on failure. The 'write' transactions
-return 0 on success; the 'read' transactions return the read value, except
-for read_block, which returns the number of values read. The block buffers
-need not be longer than 32 bytes.
+All these transactions return a negative errno value on failure. The 'write'
+transactions return 0 on success; the 'read' transactions return the read
+value, except for block transactions, which return the number of values
+read. The block buffers need not be longer than 32 bytes.
You can read the file `smbus-protocol' for more information about the
actual SMBus protocol.