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ACM_CDC_NOTIFY(9) Kernel Mode Gadget API ACM_CDC_NOTIFY(9)

NAME

acm_cdc_notify - issue CDC notification to host

SYNOPSIS

int acm_cdc_notify(struct f_acm * acm, u8 type, u16 value, void * data, unsigned length);

ARGUMENTS

acm
wraps host to be notified
type
notification type
value
Refer to cdc specs, wValue field.
data
data to be sent
length
size of data

CONTEXT

irqs blocked, acm->lock held, acm_notify_req non-null

DESCRIPTION

Returns zero on success or a negative errno.
See section 6.3.5 of the CDC 1.1 specification for information

ABOUT THE ONLY NOTIFICATION WE ISSUE

SerialState change.

AUTHOR

David Brownell <dbrownell@users.sourceforge.net>
Author.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.