Re: [PATCH] Accessiblity: speakup_bns: specifying the default driver parameters among the module params

From: Samuel Thibault
Date: Sat Oct 22 2022 - 10:31:35 EST


Osama Muhammad, le ven. 21 oct. 2022 18:53:42 +0500, a ecrit:
> This is an enhancement which allows to specify the default driver
> parameters among the module parameters.
>
> Adding a default variables to the speakup_bns module
> allows to easily set that at boot, rather than
> setting the sys variables after boot.
> More details can be found here:
> https://github.com/linux-speakup/speakup/issues/7
>
> Signed-off-by: Osama Muhammad <osmtendev@xxxxxxxxx>

Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

Thanks!

> ---
> drivers/accessibility/speakup/speakup_bns.c | 36 ++++++++++++++++-----
> 1 file changed, 28 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/accessibility/speakup/speakup_bns.c b/drivers/accessibility/speakup/speakup_bns.c
> index b8103eb117b8..60507756499c 100644
> --- a/drivers/accessibility/speakup/speakup_bns.c
> +++ b/drivers/accessibility/speakup/speakup_bns.c
> @@ -16,14 +16,23 @@
> #define SYNTH_CLEAR 0x18
> #define PROCSPEECH '\r'
>
> -static struct var_t vars[] = {
> - { CAPS_START, .u.s = {"\x05\x31\x32P" } },
> - { CAPS_STOP, .u.s = {"\x05\x38P" } },
> - { RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } },
> - { PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } },
> - { VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } },
> - { TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } },
> - { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
> +
> +enum default_vars_id {
> + CAPS_START_ID = 0, CAPS_STOP_ID,
> + RATE_ID, PITCH_ID,
> + VOL_ID, TONE_ID,
> + DIRECT_ID, V_LAST_VAR_ID,
> + NB_ID
> +};
> +
> +static struct var_t vars[NB_ID] = {
> + [CAPS_START_ID] = { CAPS_START, .u.s = {"\x05\x31\x32P" } },
> + [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x05\x38P" } },
> + [RATE_ID] = { RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } },
> + [PITCH_ID] = { PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } },
> + [VOL_ID] = { VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } },
> + [TONE_ID] = { TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } },
> + [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
> V_LAST_VAR
> };
>
> @@ -113,10 +122,21 @@ static struct spk_synth synth_bns = {
> module_param_named(ser, synth_bns.ser, int, 0444);
> module_param_named(dev, synth_bns.dev_name, charp, 0444);
> module_param_named(start, synth_bns.startup, short, 0444);
> +module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
> +module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
> +module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
> +module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
> +module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
> +
>
> MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
> MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
> MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
> +MODULE_PARM_DESC(rate, "Set the rate variable on load.");
> +MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
> +MODULE_PARM_DESC(vol, "Set the vol variable on load.");
> +MODULE_PARM_DESC(tone, "Set the tone variable on load.");
> +MODULE_PARM_DESC(direct, "Set the direct variable on load.");
>
> module_spk_synth(synth_bns);
>
> --
> 2.25.1
>

--
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.