[PATCH] Documentation: i2c: dev: 'block process call' is supported

[Wolfram Sang <wsa+renesas@sang-engineering.com>]

And it has been for a while (since 2012 at least), only it was not
documented. Add it.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 Documentation/i2c/dev-interface.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/i2c/dev-interface.rst b/Documentation/i2c/dev-interface.rst
index bdb247f2f11a..73ad34849f99 100644
--- a/Documentation/i2c/dev-interface.rst
+++ b/Documentation/i2c/dev-interface.rst
@@ -159,6 +159,8 @@ for details) through the following functions::
   __s32 i2c_smbus_read_word_data(int file, __u8 command);
   __s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value);
   __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value);
+  __s32 i2c_smbus_block_process_call(int file, __u8 command, __u8 length,
+                                     __u8 *values);
   __s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 *values);
   __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length,
                                    __u8 *values);
-- 
2.27.0