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authorClemens Ladisch <clemens@ladisch.de>2005-04-22 15:49:52 +0200
committerJaroslav Kysela <perex@suse.cz>2005-05-29 10:05:11 +0200
commit8e062ec7108f8a91149e6bccddc3b7341e406274 (patch)
treeda052b40bcc2cbc7480a9999360f20c2a63c640d /sound/usb/usbmixer.c
parent08fe15899df9696a6d34abf96230ae0691f5de66 (diff)
[ALSA] usb-audio - add selector unit names override for Audigy 2 NX
USB generic driver Add a mechanism to specify source names of selector units, and add such names for the SB Audigy 2 NX. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/usb/usbmixer.c')
-rw-r--r--sound/usb/usbmixer.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 5f1906915aa..6ad154aaba1 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -70,6 +70,7 @@ struct usb_mixer_build {
DECLARE_BITMAP(unitbitmap, 32*32);
usb_audio_term_t oterm;
const struct usbmix_name_map *map;
+ const struct usbmix_selector_map *selector_map;
};
struct usb_mixer_elem_info {
@@ -187,6 +188,21 @@ static int check_ignored_ctl(mixer_build_t *state, int unitid, int control)
return 0;
}
+/* get the mapped selector source name */
+static int check_mapped_selector_name(mixer_build_t *state, int unitid,
+ int index, char *buf, int buflen)
+{
+ const struct usbmix_selector_map *p;
+
+ if (! state->selector_map)
+ return 0;
+ for (p = state->selector_map; p->id; p++) {
+ if (p->id == unitid && index < p->count)
+ return strlcpy(buf, p->names[index], buflen);
+ }
+ return 0;
+}
+
/*
* find an audio control unit with the given unit id
*/
@@ -1415,7 +1431,9 @@ static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned
kfree(cval);
return -ENOMEM;
}
- if (check_input_term(state, desc[5 + i], &iterm) >= 0)
+ len = check_mapped_selector_name(state, unitid, i, namelist[i],
+ MAX_ITEM_NAME_LEN);
+ if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0)
len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0);
if (! len)
sprintf(namelist[i], "Input %d", i);
@@ -1521,6 +1539,7 @@ int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif)
for (map = usbmix_ctl_maps; map->vendor; map++) {
if (map->vendor == state.vendor && map->product == state.product) {
state.map = map->map;
+ state.selector_map = map->selector_map;
chip->ignore_ctl_error = map->ignore_ctl_error;
break;
}