acm_cdc_notify(9) 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 <[email protected]>

Author.

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