[alsa-devel] [PATCH] alsa-lib: ucm: allow values to be read from devices
Margarita Olaya
magi at slimlogic.co.uk
Tue Mar 15 17:45:19 CET 2011
This allows devices value to be read using the get_value().
Also fix a little formatting.
Signed-off-by: Margarita Olaya Cabrera <magi at slimlogic.co.uk>
---
src/ucm/main.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/src/ucm/main.c b/src/ucm/main.c
index 42fd373..fb11e61 100644
--- a/src/ucm/main.c
+++ b/src/ucm/main.c
@@ -1063,20 +1063,27 @@ static int get_value3(const char **value,
* \return Zero on success (value is filled), otherwise a negative error code
*/
static int get_value(snd_use_case_mgr_t *uc_mgr,
- const char *identifier,
- const char **value,
- const char *modifier)
+ const char *identifier,
+ const char **value,
+ const char *item)
{
- struct use_case_modifier *mod;
+ struct use_case_modifier *mod;
+ struct use_case_device *dev;
int err;
- if (modifier != NULL) {
- mod = find_modifier(uc_mgr, modifier);
+ if (item != NULL) {
+ mod = find_modifier(uc_mgr, item);
if (mod != NULL) {
err = get_value1(value, &mod->value_list, identifier);
if (err >= 0 || err != -ENOENT)
return err;
}
+ dev = find_device(uc_mgr->active_verb, item);
+ if (dev != NULL) {
+ err = get_value1(value, &dev->value_list, identifier);
+ if (err >=0 || err != -ENOENT)
+ return err;
+ }
}
err = get_value1(value, &uc_mgr->active_verb->value_list, identifier);
if (err >= 0 || err != -ENOENT)
--
1.7.0.4
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