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authorClemens Ladisch <clemens@ladisch.de>2005-10-17 17:15:46 +0200
committerJaroslav Kysela <perex@suse.cz>2005-11-04 13:18:58 +0100
commitf0597a416dc44e3afe25090e9af9d42bad62547d (patch)
tree350c00303992440c31524109951e2fbb73b90183
parent00f226d400d3a5868c4d798bb80491e22dd5b810 (diff)
[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>
-rw-r--r--sound/usb/usbaudio.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 4589c637a25..fce6ad62df6 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -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)) &&