[ALSA] ca0106: replaced control add sequences with macro
Turn a rather long lined for loop that is duplicated multiple times into a
macro.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index 7fbfe17..18a0525 100644
--- a/sound/pci/ca0106/ca0106_mixer.c
+++ b/sound/pci/ca0106/ca0106_mixer.c
@@ -643,9 +643,19 @@
return -ENOENT;
}
+#define ADD_CTLS(emu, ctls) \
+ do { \
+ int i, err; \
+ for (i = 0; i < ARRAY_SIZE(ctls); i++) { \
+ err = snd_ctl_add(card, snd_ctl_new1(&ctls[i], emu)); \
+ if (err < 0) \
+ return err; \
+ } \
+ } while (0)
+
int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
{
- int i, err;
+ int err;
struct snd_card *card = emu->card;
char **c;
static char *ca0106_remove_ctls[] = {
@@ -692,17 +702,9 @@
rename_ctl(card, c[0], c[1]);
#endif
- for (i = 0; i < ARRAY_SIZE(snd_ca0106_volume_ctls); i++) {
- err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_volume_ctls[i], emu));
- if (err < 0)
- return err;
- }
+ ADD_CTLS(emu, snd_ca0106_volume_ctls);
if (emu->details->i2c_adc == 1) {
- for (i = 0; i < ARRAY_SIZE(snd_ca0106_volume_i2c_adc_ctls); i++) {
- err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_volume_i2c_adc_ctls[i], emu));
- if (err < 0)
- return err;
- }
+ ADD_CTLS(emu, snd_ca0106_volume_i2c_adc_ctls);
if (emu->details->gpio_type == 1)
err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
else /* gpio_type == 2 */
@@ -710,13 +712,8 @@
if (err < 0)
return err;
}
- if (emu->details->spi_dac == 1) {
- for (i = 0; i < ARRAY_SIZE(snd_ca0106_volume_spi_dac_ctls); i++) {
- err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_volume_spi_dac_ctls[i], emu));
- if (err < 0)
- return err;
- }
- }
+ if (emu->details->spi_dac == 1)
+ ADD_CTLS(emu, snd_ca0106_volume_spi_dac_ctls);
return 0;
}
