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lirc,mmkvd: added module parameters volume_limit, volume_step

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volume_limit sets maximum volume that can be set from the module
default is PA_VOLUME_NORM*3/2 (150%)
volume_step sets step in volume changing
default is PA_VOLUME_NORM/20
values are of raw pa_volume_t type
This commit is contained in:
Vladimir Kokarev 2009-11-05 04:55:21 +01:00 • committed by Lennart Poettering
parent d2c59354d5
commit 7793da371b
2 changed files with 42 additions and 10 deletions
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26
src/modules/module-mmkbd-evdev.c
View file

@ -48,13 +48,15 @@ PA_MODULE_AUTHOR("Lennart Poettering");
PA_MODULE_DESCRIPTION("Multimedia keyboard support via Linux evdev");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(FALSE);
PA_MODULE_USAGE("device=<evdev device> sink=<sink name>");
PA_MODULE_USAGE("device=<evdev device> sink=<sink name> volume_limit=<volume limit> volume_step=<volume change step>");
#define DEFAULT_DEVICE "/dev/input/event0"
static const char* const valid_modargs[] = {
"device",
"sink",
"volume_limit",
"volume_step",
NULL,
};
@ -63,10 +65,10 @@ struct userdata {
pa_io_event *io;
char *sink_name;
pa_module *module;
pa_volume_t volume_limit;
pa_volume_t volume_step;
};
#define DELTA (PA_VOLUME_NORM/20)
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
struct userdata *u = userdata;
@ -120,12 +122,12 @@ static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event
switch (volchange) {
case UP:
pa_cvolume_inc(&cv, DELTA);
pa_cvolume_inc_clamp(&cv, u->volume_step, u->volume_limit);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case DOWN:
pa_cvolume_dec(&cv, DELTA);
pa_cvolume_dec(&cv, u->volume_step);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
@ -160,6 +162,8 @@ int pa__init(pa_module*m) {
struct input_id input_id;
char name[256];
uint8_t evtype_bitmask[EV_MAX/8 + 1];
pa_volume_t volume_limit = PA_VOLUME_NORM*3/2;
pa_volume_t volume_step = PA_VOLUME_NORM/20;
pa_assert(m);
@ -168,12 +172,24 @@ int pa__init(pa_module*m) {
goto fail;
}
if (pa_modargs_get_value_u32(ma, "volume_limit", &volume_limit) < 0) {
pa_log("Failed to parse volume limit");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "volume_step", &volume_step) < 0) {
pa_log("Failed to parse volume step");
goto fail;
}
m->userdata = u = pa_xnew(struct userdata, 1);
u->module = m;
u->io = NULL;
u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
u->fd = -1;
u->fd_type = 0;
u->volume_limit = volume_limit;
u->volume_step = volume_step;
if ((u->fd = pa_open_cloexec(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), O_RDONLY, 0)) < 0) {
pa_log("Failed to open evdev device: %s", pa_cstrerror(errno));