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[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>
This commit is contained in:
Clemens Ladisch 2005-10-17 17:15:46 +02:00 committed by Jaroslav Kysela
parent 00f226d400
commit f0597a416d
1 changed files with 0 additions and 7 deletions
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7
sound/usb/usbaudio.c
View File

@ -3212,7 +3212,6 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
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 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
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 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
/* 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)) &&