diff options
Diffstat (limited to 'Documentation/i2c')
-rw-r--r-- | Documentation/i2c/writing-clients | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index 27c425ac70aa..3a057c8e5507 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients | |||
@@ -492,17 +492,13 @@ Note that some functions are marked by `__init', and some data structures | |||
492 | by `__init_data'. Hose functions and structures can be removed after | 492 | by `__init_data'. Hose functions and structures can be removed after |
493 | kernel booting (or module loading) is completed. | 493 | kernel booting (or module loading) is completed. |
494 | 494 | ||
495 | |||
495 | Command function | 496 | Command function |
496 | ================ | 497 | ================ |
497 | 498 | ||
498 | A generic ioctl-like function call back is supported. You will seldom | 499 | A generic ioctl-like function call back is supported. You will seldom |
499 | need this. You may even set it to NULL. | 500 | need this, and its use is deprecated anyway, so newer design should not |
500 | 501 | use it. Set it to NULL. | |
501 | /* No commands defined */ | ||
502 | int foo_command(struct i2c_client *client, unsigned int cmd, void *arg) | ||
503 | { | ||
504 | return 0; | ||
505 | } | ||
506 | 502 | ||
507 | 503 | ||
508 | Sending and receiving | 504 | Sending and receiving |