Hi Takashi,
On Wed, Nov 26, 2008 at 04:44:08PM +0100, Takashi Iwai wrote:
> > this patch does some code cleanup in snd-usb-caiaq. No functional change
> > whatsoever. Version number bumped to 1.3.9.
>
> A macro for such is ugly and potentially dangerous, IMO.
> Make a function instead.
>
> Also, please add an error check of the return value from
> snd_ctl_add().
Ok, agreed and done. However, I considered it a good idea as it avoided
writing the array's name more than once.
Daniel
snd-usb-caiaq: clean up the control adding code by moving dulpicate code
to a function.
Signed-off-by: Daniel Mack <daniel@xxxxxxxx>
diff --git a/sound/usb/caiaq/caiaq-control.c b/sound/usb/caiaq/caiaq-control.c
index 798ca12..ccd763d 100644
--- a/sound/usb/caiaq/caiaq-control.c
+++ b/sound/usb/caiaq/caiaq-control.c
@@ -247,69 +247,56 @@ static struct caiaq_controller a8dj_controller[] = {
{ "Software lock", 40 }
};
-int __devinit snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev)
+static int __devinit add_controls(struct caiaq_controller *c, int num,
+ struct snd_usb_caiaqdev *dev)
{
- int i;
+ int i, ret;
struct snd_kcontrol *kc;
+ for (i = 0; i < num; i++, c++) {
+ kcontrol_template.name = c->name;
+ kcontrol_template.private_value = c->index;
+ kc = snd_ctl_new1(&kcontrol_template, dev);
+ ret = snd_ctl_add(dev->chip.card, kc);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+int __devinit snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev)
+{
+ int ret = 0;
+
switch (dev->chip.usb_id) {
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
- for (i = 0; i < ARRAY_SIZE(ak1_controller); i++) {
- struct caiaq_controller *c = ak1_controller + i;
- kcontrol_template.name = c->name;
- kcontrol_template.private_value = c->index;
- kc = snd_ctl_new1(&kcontrol_template, dev);
- snd_ctl_add(dev->chip.card, kc);
- }
-
+ ret = add_controls(ak1_controller,
+ ARRAY_SIZE(ak1_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
- for (i = 0; i < ARRAY_SIZE(rk2_controller); i++) {
- struct caiaq_controller *c = rk2_controller + i;
- kcontrol_template.name = c->name;
- kcontrol_template.private_value = c->index;
- kc = snd_ctl_new1(&kcontrol_template, dev);
- snd_ctl_add(dev->chip.card, kc);
- }
-
+ ret = add_controls(rk2_controller,
+ ARRAY_SIZE(rk2_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
- for (i = 0; i < ARRAY_SIZE(rk3_controller); i++) {
- struct caiaq_controller *c = rk3_controller + i;
- kcontrol_template.name = c->name;
- kcontrol_template.private_value = c->index;
- kc = snd_ctl_new1(&kcontrol_template, dev);
- snd_ctl_add(dev->chip.card, kc);
- }
-
+ ret = add_controls(rk3_controller,
+ ARRAY_SIZE(rk3_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
- for (i = 0; i < ARRAY_SIZE(kore_controller); i++) {
- struct caiaq_controller *c = kore_controller + i;
- kcontrol_template.name = c->name;
- kcontrol_template.private_value = c->index;
- kc = snd_ctl_new1(&kcontrol_template, dev);
- snd_ctl_add(dev->chip.card, kc);
- }
-
+ ret = add_controls(kore_controller,
+ ARRAY_SIZE(kore_controller), dev);
break;
case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
- for (i = 0; i < ARRAY_SIZE(a8dj_controller); i++) {
- struct caiaq_controller *c = a8dj_controller + i;
- kcontrol_template.name = c->name;
- kcontrol_template.private_value = c->index;
- kc = snd_ctl_new1(&kcontrol_template, dev);
- snd_ctl_add(dev->chip.card, kc);
- }
-
+ ret = add_controls(a8dj_controller,
+ ARRAY_SIZE(a8dj_controller), dev);
break;
}
- return 0;
+ return ret;
}
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c
index 8317508..b143ef7 100644
--- a/sound/usb/caiaq/caiaq-device.c
+++ b/sound/usb/caiaq/caiaq-device.c
@@ -42,7 +42,7 @@
#endif
MODULE_AUTHOR("Daniel Mack <daniel@xxxxxxxx>");
-MODULE_DESCRIPTION("caiaq USB audio, version 1.3.8");
+MODULE_DESCRIPTION("caiaq USB audio, version 1.3.9");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
"{Native Instruments, RigKontrol3},"
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