One thing you can already do easily is this:
Okash Khawaja, on sam. 25 févr. 2017 19:26:57 +0000, wrote:
> +static int spk_ttyio_initialise_ldisc(void)
Add an "int ser" parameter here.
> +{
> + int ret = 0;
> + struct tty_struct *tty;
> +
> + ret = tty_register_ldisc(N_SPEAKUP, &spk_ttyio_ldisc_ops);
> + if (ret) {
> + pr_err("speakup_test_init(): Error registering line discipline.\n");
> + return ret;
> + }
> +
> + tty = tty_open_by_driver(MKDEV(4, 64), NULL, NULL);
Here, check that ser is between 0 and (255-64), and add ser to 64.
> +int spk_ttyio_synth_probe(struct spk_synth *synth)
> +{
> + int rv = spk_ttyio_initialise_ldisc();
Here, pass synth->ser to spk_ttyio_initialise_ldisc()
That way, people want easily configure the serial port with the existing
ser parameter, e.g. speakup_dummy.ser=1
and AIUI we should be getting the same support as before, and thus get
this tested and pushed upstream.
Samuel
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