From d6f598ab3e1cdb71dc3b408592d06bba23f53a71 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 19 Aug 2009 02:29:59 +0200
Subject: udev: allow passing of ignore_dB= parameter to alsa modules

---
 src/modules/module-udev-detect.c | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

(limited to 'src/modules/module-udev-detect.c')

diff --git a/src/modules/module-udev-detect.c b/src/modules/module-udev-detect.c
index 11de1ccb..0b30fd54 100644
--- a/src/modules/module-udev-detect.c
+++ b/src/modules/module-udev-detect.c
@@ -39,6 +39,9 @@ PA_MODULE_AUTHOR("Lennart Poettering");
 PA_MODULE_DESCRIPTION("Detect available audio hardware and load matching drivers");
 PA_MODULE_VERSION(PACKAGE_VERSION);
 PA_MODULE_LOAD_ONCE(TRUE);
+PA_MODULE_USAGE(
+        "tsched=<enable system timer based scheduling mode?> "
+        "ignore_dB=<ignore dB information from the device?>");
 
 struct device {
     char *path;
@@ -50,7 +53,9 @@ struct device {
 struct userdata {
     pa_core *core;
     pa_hashmap *devices;
-    pa_bool_t use_tsched;
+
+    pa_bool_t use_tsched:1;
+    pa_bool_t ignore_dB:1;
 
     struct udev* udev;
     struct udev_monitor *monitor;
@@ -62,6 +67,7 @@ struct userdata {
 
 static const char* const valid_modargs[] = {
     "tsched",
+    "ignore_dB",
     NULL
 };
 
@@ -140,12 +146,14 @@ static void card_changed(struct userdata *u, struct udev_device *dev) {
     args = pa_sprintf_malloc("device_id=\"%s\" "
                              "name=\"%s\" "
                              "card_name=\"%s\" "
-                             "tsched=%i "
+                             "tsched=%s "
+                             "ignore_dB=%s "
                              "card_properties=\"module-udev-detect.discovered=1\"",
                              path_get_card_id(path),
                              n,
                              card_name,
-                             (int) u->use_tsched);
+                             pa_yes_no(u->use_tsched),
+                             pa_yes_no(u->ignore_dB));
 
     pa_log_debug("Loading module-alsa-card with arguments '%s'", args);
     m = pa_module_load(u->core, "module-alsa-card", args);
@@ -364,6 +372,7 @@ int pa__init(pa_module *m) {
     struct udev_enumerate *enumerate = NULL;
     struct udev_list_entry *item = NULL, *first = NULL;
     int fd;
+    pa_bool_t use_tsched = TRUE, ignore_dB = FALSE;
 
     pa_assert(m);
 
@@ -375,13 +384,19 @@ int pa__init(pa_module *m) {
     m->userdata = u = pa_xnew0(struct userdata, 1);
     u->core = m->core;
     u->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
-    u->use_tsched = TRUE;
     u->inotify_fd = -1;
 
-    if (pa_modargs_get_value_boolean(ma, "tsched", &u->use_tsched) < 0) {
-        pa_log("Failed to parse tsched argument.");
+    if (pa_modargs_get_value_boolean(ma, "tsched", &use_tsched) < 0) {
+        pa_log("Failed to parse tsched= argument.");
+        goto fail;
+    }
+    u->use_tsched = use_tsched;
+
+    if (pa_modargs_get_value_boolean(ma, "ignore_dB", &ignore_dB) < 0) {
+        pa_log("Failed to parse ignore_dB= argument.");
         goto fail;
     }
+    u->ignore_dB = ignore_dB;
 
     if (!(u->udev = udev_new())) {
         pa_log("Failed to initialize udev library.");
-- 
cgit