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ALSA: usb-audio - Add ignore_ctl_error parameter

Telusuri Sumber 
Added the ignore_ctl_error parameter to enable/disable the control-error
handling for mixer interfaces.  It was a hard-coded ifdef, and now you
can change it more easily.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai
2008-08-13 15:40:53 +02:00
committed by Jaroslav Kysela
orang tua 8a8f2662c5
melakukan 7a9b8063cf
4 mengubah file dengan 15 tambahan dan 7 penghapusan
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7
sound/usb/usbmixer.c
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@@ -2014,7 +2014,8 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
}
}
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif)
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error)
{
static struct snd_device_ops dev_ops = {
.dev_free = snd_usb_mixer_dev_free
@@ -2029,9 +2030,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif)
return -ENOMEM;
mixer->chip = chip;
mixer->ctrlif = ctrlif;
#ifdef IGNORE_CTL_ERROR
mixer->ignore_ctl_error = 1;
#endif
mixer->ignore_ctl_error = ignore_error;
mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL);
if (!mixer->id_elems) {
kfree(mixer);