USB: sl811: add Kconfig option for ISOCHRONOUS mode
Some bluetooth dongles want ISO mode, and the limited support that the
sl811 offers today is sufficient. So add a Kconfig option for people
to optionally get access to the partial functionality.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index e0e0787..5f518de 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -444,6 +444,16 @@
To compile this driver as a module, choose M here: the
module will be called sl811-hcd.
+config USB_SL811_HCD_ISO
+ bool "partial ISO support"
+ depends on USB_SL811_HCD
+ help
+ The driver doesn't support iso_frame_desc (yet), but for some simple
+ devices that just queue one ISO frame per URB, then ISO transfers
+ "should" work using the normal urb status fields.
+
+ If unsure, say N.
+
config USB_SL811_CS
tristate "CF/PCMCIA support for SL811HS HCD"
depends on USB_SL811_HCD && PCMCIA
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 18b7099..5adcba0 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -71,12 +71,6 @@
/* for now, use only one transfer register bank */
#undef USE_B
-/* this doesn't understand urb->iso_frame_desc[], but if you had a driver
- * that just queued one ISO frame per URB then iso transfers "should" work
- * using the normal urb status fields.
- */
-#define DISABLE_ISO
-
// #define QUIRK2
#define QUIRK3
@@ -807,7 +801,7 @@
int retval;
struct usb_host_endpoint *hep = urb->ep;
-#ifdef DISABLE_ISO
+#ifndef CONFIG_USB_SL811_HCD_ISO
if (type == PIPE_ISOCHRONOUS)
return -ENOSPC;
#endif