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path: root/drivers/usb/class
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Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/Kconfig21
-rw-r--r--drivers/usb/class/usblp.c9
2 files changed, 24 insertions, 6 deletions
diff --git a/drivers/usb/class/Kconfig b/drivers/usb/class/Kconfig
index 0561d0234f23..333e39bb105f 100644
--- a/drivers/usb/class/Kconfig
+++ b/drivers/usb/class/Kconfig
@@ -4,9 +4,22 @@
comment "USB Device Class drivers"
depends on USB
+config OBSOLETE_OSS_USB_DRIVER
+ bool "Obsolete OSS USB drivers"
+ depends on USB && SOUND
+ help
+ This option enables support for the obsolete USB Audio and Midi
+ drivers that are scheduled for removal in the near future since
+ there are ALSA drivers for the same hardware.
+
+ Please contact Adrian Bunk <bunk@stusta.de> if you had to
+ say Y here because of missing support in the ALSA drivers.
+
+ If unsure, say N.
+
config USB_AUDIO
tristate "USB Audio support"
- depends on USB && SOUND
+ depends on USB && SOUND && OBSOLETE_OSS_USB_DRIVER
help
Say Y here if you want to connect USB audio equipment such as
speakers to your computer's USB port. You only need this if you use
@@ -40,10 +53,12 @@ config USB_BLUETOOTH_TTY
config USB_MIDI
tristate "USB MIDI support"
- depends on USB && SOUND
+ depends on USB && SOUND && OBSOLETE_OSS_USB_DRIVER
---help---
Say Y here if you want to connect a USB MIDI device to your
- computer's USB port. This driver is for devices that comply with
+ computer's USB port. You only need this if you use the OSS
+ sound system; USB MIDI devices are supported by ALSA's USB
+ audio driver. This driver is for devices that comply with
'Universal Serial Bus Device Class Definition for MIDI Device'.
The following devices are known to work:
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 7ce43fb8118a..e195709c9c7f 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -310,8 +310,9 @@ static int usblp_check_status(struct usblp *usblp, int err)
error = usblp_read_status (usblp, usblp->statusbuf);
if (error < 0) {
- err("usblp%d: error %d reading printer status",
- usblp->minor, error);
+ if (printk_ratelimit())
+ err("usblp%d: error %d reading printer status",
+ usblp->minor, error);
return 0;
}
@@ -604,7 +605,9 @@ static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case LPGETSTATUS:
if (usblp_read_status(usblp, usblp->statusbuf)) {
- err("usblp%d: failed reading printer status", usblp->minor);
+ if (printk_ratelimit())
+ err("usblp%d: failed reading printer status",
+ usblp->minor);
retval = -EIO;
goto done;
}