Oliver Neukum a81cf9799a cdc-acm: implement put_char() and flush_chars()
This should cut down latencies and waste if the tty layer writes single bytes.

Signed-off-by: Oliver Neukum >oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-14 17:06:43 -08:00
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