V4L/DVB (3835): [PATCH] update pwc driver

Add v4l2 compatibility
Include the decompressor (legal problem has been resolv by Alan Cox)
Faster decoder and easier to maintain, optimize, ...
Can export to userland compressed stream
Support more cameras, lot of bugs are fixed.

Signed-off-by: Luc Saillard <luc@saillard.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/pwc/Kconfig

@@ -7,6 +7,7 @@ config USB_PWC
 	   * Philips PCA645, PCA646
 	   * Philips PCVC675, PCVC680, PCVC690
 	   * Philips PCVC720/40, PCVC730, PCVC740, PCVC750
+	   * Philips SPC900NC
 	   * Askey VC010
 	   * Logitech QuickCam Pro 3000, 4000, 'Zoom', 'Notebook Pro'
 	     and 'Orbit'/'Sphere'
@@ -19,10 +20,18 @@ config USB_PWC
 	  and never will be, but the 665 and 720/20 are supported by other
 	  drivers.
 
-	  See <file:Documentation/usb/philips.txt> for more information and
-	  installation instructions.
+	  Some newer logitech webcams are not handled by this driver but by the
+	  Usb Video Class driver (linux-uvc).
 
 	  The built-in microphone is enabled by selecting USB Audio support.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called pwc.
+
+config USB_PWC_DEBUG
+	bool "USB Philips Cameras verbose debug"
+	depends USB_PWC
+	help
+	  Say Y here in order to have the pwc driver generate verbose debugging
+	  messages.
+	  A special module options 'trace' is used to control the verbosity.

drivers/media/video/pwc/Makefile

@@ -1,3 +1,12 @@
-pwc-objs	:= pwc-if.o pwc-misc.o pwc-ctrl.o pwc-uncompress.o pwc-timon.o pwc-kiara.o
+pwc-objs	:= pwc-if.o pwc-misc.o pwc-ctrl.o pwc-v4l.o pwc-uncompress.o
+pwc-objs	+= pwc-dec1.o pwc-dec23.o pwc-kiara.o pwc-timon.o
 
 obj-$(CONFIG_USB_PWC) += pwc.o
+
+ifeq ($(CONFIG_USB_PWC_DEBUG),y)
+EXTRA_CFLAGS += -DCONFIG_PWC_DEBUG=1
+else
+EXTRA_CFLAGS += -DCONFIG_PWC_DEBUG=0
+endif
+
+