Commit 62385cf1 authored by Pavel Hofman's avatar Pavel Hofman Committed by Greg Kroah-Hartman
Browse files

usb: gadget: u_audio: Add suspend call 



Add exported method u_audio_suspend which sets stream status to
inactive and sends notifications. The method does not free any
resources.

Signed-off-by: default avatarPavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20220121155308.48794-9-pavel.hofman@ivitera.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8fe9a03f

drivers/usb/gadget/function/u_audio.c

+9 −0
Original line number Diff line number Diff line
@@ -757,6 +757,15 @@ void u_audio_stop_playback(struct g_audio *audio_dev) 
}

EXPORT_SYMBOL_GPL(u_audio_stop_playback);



void u_audio_suspend(struct g_audio *audio_dev)

{

	struct snd_uac_chip *uac = audio_dev->uac;



	set_active(&uac->p_prm, false);

	set_active(&uac->c_prm, false);

}

EXPORT_SYMBOL_GPL(u_audio_suspend);



int u_audio_get_volume(struct g_audio *audio_dev, int playback, s16 *val)

{

	struct snd_uac_chip *uac = audio_dev->uac;

drivers/usb/gadget/function/u_audio.h

+2 −0
Original line number Diff line number Diff line
@@ -130,4 +130,6 @@ int u_audio_set_volume(struct g_audio *g_audio, int playback, s16 val); 
int u_audio_get_mute(struct g_audio *g_audio, int playback, int *val);

int u_audio_set_mute(struct g_audio *g_audio, int playback, int val);



void u_audio_suspend(struct g_audio *g_audio);



#endif /* __U_AUDIO_H */