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Accessiblity: speakup_bns: specifying the default driver parameters among the module params

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This is an enhancement which allows to specify the default driver
parameters among the module parameters.

Adding 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@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20221109215108.7933-5-osmtendev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Osama Muhammad 2022-11-10 02:50:57 +05:00 committed by Greg Kroah-Hartman
parent d5dab7ff97
commit 95892c4e70
1 changed files with 28 additions and 8 deletions
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36
drivers/accessibility/speakup/speakup_bns.c
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@ -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);