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Commit 00966dcd authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: usb-audio: Declare the common variable in header file 



Declare snd_usb_feature_unit_ctl properly in mixer.h.  Otherwise it's
error-prone.

This fixes the sparse warning:
  sound/usb/mixer.c:1464:25: warning: symbol 'snd_usb_feature_unit_ctl' was not declared. Should it be static?

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 7e9c20f4

sound/usb/mixer.h

+2 −0
Original line number Diff line number Diff line
@@ -109,4 +109,6 @@ int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, 


extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);



extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;



#endif /* __USBMIXER_H */

sound/usb/mixer_quirks.c

+0 −2
Original line number Diff line number Diff line
@@ -47,8 +47,6 @@ 
#include "mixer_us16x08.h"

#include "helper.h"



extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;



struct std_mono_table {

	unsigned int unitid, control, cmask;

	int val_type;