summaryrefslogtreecommitdiff
path: root/sound
diff options
context:
space:
mode:
authorSakethram Bommisetti <sakethram.bommisetti@stericsson.com>2012-02-29 10:58:49 +0530
committerPhilippe Langlais <philippe.langlais@stericsson.com>2012-05-22 11:05:07 +0200
commit6767a710af4d60ec91f7d813deec8da046acf56c (patch)
treeeedf3ea07641089d53261862c81caa488a8f9839 /sound
parent79cd4a39087c2a75caba0f6730edff3f24c13a08 (diff)
USB:Enabling autosuspend in Host audio
Allowing to suspend the usb bus if the connected device is a USB Audio device. ST-Ericsson ID: 415876 Signed-off-by: Sakethram Bommisetti <sakethram.bommisetti@stericsson.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/card.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 4a7be7b9833..e667491baee 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -445,6 +445,7 @@ snd_usb_audio_probe(struct usb_device *dev,
struct usb_host_interface *alts;
int ifnum;
u32 id;
+ struct usb_device *snd_dev;
alts = &intf->altsetting[0];
ifnum = get_iface_desc(alts)->bInterfaceNumber;
@@ -527,6 +528,9 @@ snd_usb_audio_probe(struct usb_device *dev,
usb_chip[chip->index] = chip;
chip->num_interfaces++;
chip->probing = 0;
+ snd_dev = interface_to_usbdev(intf);
+ usb_enable_autosuspend(snd_dev);
+
mutex_unlock(&register_mutex);
return chip;