[ALSA] usb-audio: don't call usb_reset_configuration() when probing
Modules: USB generic driver
Remove the usb_reset_configuration() call from the probe callback
because it isn't needed and it may interfere with other drivers
already loaded for the device.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 4589c63..fce6ad6 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -3212,7 +3212,6 @@
struct usb_interface *intf,
const struct usb_device_id *usb_id)
{
- struct usb_host_config *config = dev->actconfig;
const snd_usb_audio_quirk_t *quirk = (const snd_usb_audio_quirk_t *)usb_id->driver_info;
int i, err;
snd_usb_audio_t *chip;
@@ -3233,7 +3232,6 @@
if (id == USB_ID(0x041e, 0x3000)) {
if (snd_usb_extigy_boot_quirk(dev, intf) < 0)
goto __err_val;
- config = dev->actconfig;
}
/* SB Audigy 2 NX needs its own boot-up magic, too */
if (id == USB_ID(0x041e, 0x3020)) {
@@ -3262,11 +3260,6 @@
/* it's a fresh one.
* now look for an empty slot and create a new card instance
*/
- /* first, set the current configuration for this device */
- if (usb_reset_configuration(dev) < 0) {
- snd_printk(KERN_ERR "cannot reset configuration (value 0x%x)\n", get_cfg_desc(config)->bConfigurationValue);
- goto __error;
- }
for (i = 0; i < SNDRV_CARDS; i++)
if (enable[i] && ! usb_chip[i] &&
(vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) &&