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Commit 6801c4da authored by Hemant Kumar's avatar Hemant Kumar Committed by Mayank Rana
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sound: usb: Enable autosuspend for usb audio device 



This allows runtime suspend to kick in upon all the
children of usb device are suspended. It saves power
when usb audio device is connected but not data transfer
is taking place.

CRs-Fixed: 1003807
Change-Id: I227a74c029f10ffda9ceccc10322ad71e7fd0435
Signed-off-by: default avatarHemant Kumar <hemantk@codeaurora.org>
parent a34c8cfc

sound/usb/card.c

+1 −0
Original line number Diff line number Diff line
@@ -715,6 +715,7 @@ static int usb_audio_probe(struct usb_interface *intf, 
	usb_chip[chip->index] = chip;

	chip->num_interfaces++;

	usb_set_intfdata(intf, chip);

	usb_enable_autosuspend(chip->dev);

	atomic_dec(&chip->active);

	mutex_unlock(&register_mutex);

	return 0;