linux-kernel - Re: [PATCH] Accessiblity: speakup_apollo: specifying the default driver parameters among the module params

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Message-ID: <20221022142944.fy5t3fq7qauxcosq@begin>
Date:   Sat, 22 Oct 2022 16:29:44 +0200
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Osama Muhammad <osmtendev@...il.com>
Cc:     gregkh@...uxfoundation.org, speakup@...ux-speakup.org,
        linux-kernel@...r.kernel.org, okash.khawaja@...il.com
Subject: Re: [PATCH] Accessiblity: speakup_apollo: specifying the default
 driver parameters among the module params

Osama Muhammad, le ven. 21 oct. 2022 18:52:16 +0500, a ecrit:
> This is an enhancement which allows to specify the default driver
> parameters among the module parameters.
> 
> Adding default variables to the speakup_apollo 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@...il.com>

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

thanks!

> ---
>  .../accessibility/speakup/speakup_apollo.c    | 46 +++++++++++++++----
>  1 file changed, 37 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/accessibility/speakup/speakup_apollo.c b/drivers/accessibility/speakup/speakup_apollo.c
> index c84a7e0864b7..d2fbb3f57221 100644
> --- a/drivers/accessibility/speakup/speakup_apollo.c
> +++ b/drivers/accessibility/speakup/speakup_apollo.c
> @@ -24,15 +24,28 @@
>  
>  static void do_catch_up(struct spk_synth *synth);
>  
> -static struct var_t vars[] = {
> -	{ CAPS_START, .u.s = {"cap, " } },
> -	{ CAPS_STOP, .u.s = {"" } },
> -	{ RATE, .u.n = {"@W%d", 6, 1, 9, 0, 0, NULL } },
> -	{ PITCH, .u.n = {"@F%x", 10, 0, 15, 0, 0, NULL } },
> -	{ VOL, .u.n = {"@A%x", 10, 0, 15, 0, 0, NULL } },
> -	{ VOICE, .u.n = {"@V%d", 1, 1, 6, 0, 0, NULL } },
> -	{ LANG, .u.n = {"@=%d,", 1, 1, 4, 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, VOICE_ID, LANG_ID,
> +	DIRECT_ID, V_LAST_VAR_ID,
> +	NB_ID
> +};
> +
> +
> +
> +
> +static struct var_t vars[NB_ID] = {
> +	[CAPS_START_ID] = { CAPS_START, .u.s = {"cap, " } },
> +	[CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"" } },
> +	[RATE_ID] = { RATE, .u.n = {"@W%d", 6, 1, 9, 0, 0, NULL } },
> +	[PITCH_ID] = { PITCH, .u.n = {"@F%x", 10, 0, 15, 0, 0, NULL } },
> +	[VOL_ID] = { VOL, .u.n = {"@A%x", 10, 0, 15, 0, 0, NULL } },
> +	[VOICE_ID] = { VOICE, .u.n = {"@V%d", 1, 1, 6, 0, 0, NULL } },
> +	[LANG_ID] = { LANG, .u.n = {"@=%d,", 1, 1, 4, 0, 0, NULL } },
> +	[DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
>  	V_LAST_VAR
>  };
>  
> @@ -193,10 +206,25 @@ static void do_catch_up(struct spk_synth *synth)
>  module_param_named(ser, synth_apollo.ser, int, 0444);
>  module_param_named(dev, synth_apollo.dev_name, charp, 0444);
>  module_param_named(start, synth_apollo.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(voice, vars[VOICE_ID].u.n.default_val, int, 0444);
> +module_param_named(lang, vars[LANG_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(voice, "Set the voice variable on load.");
> +MODULE_PARM_DESC(lang, "Set the lang variable on load.");
> +MODULE_PARM_DESC(direct, "Set the direct variable on load.");
> +
> +
>  
>  module_spk_synth(synth_apollo);
>  
> -- 
> 2.25.1
> 

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