diff options
Diffstat (limited to 'drivers/staging/speakup/serialio.c')
| -rw-r--r-- | drivers/staging/speakup/serialio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/speakup/serialio.c b/drivers/staging/speakup/serialio.c index 5f96b5ba7acb..969373201356 100644 --- a/drivers/staging/speakup/serialio.c +++ b/drivers/staging/speakup/serialio.c @@ -30,6 +30,7 @@ static void spk_serial_send_xchar(char ch); static void spk_serial_tiocmset(unsigned int set, unsigned int clear); static unsigned char spk_serial_in(void); static unsigned char spk_serial_in_nowait(void); +static void spk_serial_flush_buffer(void); struct spk_io_ops spk_serial_io_ops = { .synth_out = spk_serial_out, @@ -37,6 +38,7 @@ struct spk_io_ops spk_serial_io_ops = { .tiocmset = spk_serial_tiocmset, .synth_in = spk_serial_in, .synth_in_nowait = spk_serial_in_nowait, + .flush_buffer = spk_serial_flush_buffer, }; EXPORT_SYMBOL_GPL(spk_serial_io_ops); @@ -268,6 +270,11 @@ static unsigned char spk_serial_in_nowait(void) return inb_p(speakup_info.port_tts + UART_RX); } +static void spk_serial_flush_buffer(void) +{ + /* TODO: flush the UART 16550 buffer */ +} + static int spk_serial_out(struct spk_synth *in_synth, const char ch) { if (in_synth->alive && spk_wait_for_xmitr(in_synth)) { |