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-rw-r--r--sound/drivers/aloop.c37
1 files changed, 34 insertions, 3 deletions
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index e8a85f887222..1408403f727a 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -1666,7 +1666,7 @@ static void print_cable_info(struct snd_info_entry *entry,
mutex_unlock(&loopback->cable_lock);
}
-static int loopback_proc_new(struct loopback *loopback, int cidx)
+static int loopback_cable_proc_new(struct loopback *loopback, int cidx)
{
char name[32];
@@ -1687,6 +1687,36 @@ static void loopback_set_timer_source(struct loopback *loopback,
value, GFP_KERNEL);
}
+static void print_timer_source_info(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct loopback *loopback = entry->private_data;
+
+ mutex_lock(&loopback->cable_lock);
+ snd_iprintf(buffer, "%s\n",
+ loopback->timer_source ? loopback->timer_source : "");
+ mutex_unlock(&loopback->cable_lock);
+}
+
+static void change_timer_source_info(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct loopback *loopback = entry->private_data;
+ char line[64];
+
+ mutex_lock(&loopback->cable_lock);
+ if (!snd_info_get_line(buffer, line, sizeof(line)))
+ loopback_set_timer_source(loopback, strim(line));
+ mutex_unlock(&loopback->cable_lock);
+}
+
+static int loopback_timer_source_proc_new(struct loopback *loopback)
+{
+ return snd_card_rw_proc_new(loopback->card, "timer_source", loopback,
+ print_timer_source_info,
+ change_timer_source_info);
+}
+
static int loopback_probe(struct platform_device *devptr)
{
struct snd_card *card;
@@ -1719,8 +1749,9 @@ static int loopback_probe(struct platform_device *devptr)
err = loopback_mixer_new(loopback, pcm_notify[dev] ? 1 : 0);
if (err < 0)
goto __nodev;
- loopback_proc_new(loopback, 0);
- loopback_proc_new(loopback, 1);
+ loopback_cable_proc_new(loopback, 0);
+ loopback_cable_proc_new(loopback, 1);
+ loopback_timer_source_proc_new(loopback);
strcpy(card->driver, "Loopback");
strcpy(card->shortname, "Loopback");
sprintf(card->longname, "Loopback %i", dev + 1);