ALSA: hdspm - Introduce hdspm_external_rate_to_enum() helper function
This patch refactors the code to query the external sample rate and its
translation into the corresponding enum into a helper function to
prevent future code duplication.
A later commit will make use of this new helper function.
Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index f6e922c..26f10fd 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -2303,6 +2303,21 @@
snd_hdspm_set_infotext(info, texts, ARRAY_SIZE(texts))
+/* Helper function to query the external sample rate and return the
+ * corresponding enum to be returned to userspace.
+ */
+static int hdspm_external_rate_to_enum(struct hdspm *hdspm)
+{
+ int rate = hdspm_external_sample_rate(hdspm);
+ int i, selected_rate = 0;
+ for (i = 1; i < 10; i++)
+ if (HDSPM_bit2freq(i) == rate) {
+ selected_rate = i;
+ break;
+ }
+ return selected_rate;
+}
+
#define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
@@ -2396,18 +2411,9 @@
case MADI:
case MADIface:
- {
- int rate = hdspm_external_sample_rate(hdspm);
- int i, selected_rate = 0;
- for (i = 1; i < 10; i++)
- if (HDSPM_bit2freq(i) == rate) {
- selected_rate = i;
- break;
- }
- ucontrol->value.enumerated.item[0] = selected_rate;
- }
+ ucontrol->value.enumerated.item[0] =
+ hdspm_external_rate_to_enum(hdspm);
break;
-
default:
break;
}
