usb: gadget: uvc: move module parameters from f_uvc

When configfs support is integrated the future uvc function
module must not take any parameters. Move parameters to
webcam.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

3 files changed, 38 insertions, 21 deletions

diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index b347530d1dfe..187c3a04cf70 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -29,21 +29,9 @@
 #include "uvc.h"
 
 unsigned int uvc_gadget_trace_param;
-
-/*-------------------------------------------------------------------------*/
-
-/* module parameters specific to the Video streaming endpoint */
-static unsigned int streaming_interval = 1;
-module_param(streaming_interval, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(streaming_interval, "1 - 16");
-
-static unsigned int streaming_maxpacket = 1024;
-module_param(streaming_maxpacket, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(streaming_maxpacket, "1 - 1023 (FS), 1 - 3072 (hs/ss)");
-
+static unsigned int streaming_interval;
+static unsigned int streaming_maxpacket;
 static unsigned int streaming_maxburst;
-module_param(streaming_maxburst, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(streaming_maxburst, "0 - 15 (ss only)");
 
 /* --------------------------------------------------------------------------
  * Function descriptors
@@ -756,7 +744,9 @@ uvc_bind_config(struct usb_configuration *c,
                 const struct uvc_descriptor_header * const *ss_control,
                 const struct uvc_descriptor_header * const *fs_streaming,
                 const struct uvc_descriptor_header * const *hs_streaming,
-                const struct uvc_descriptor_header * const *ss_streaming)
+                const struct uvc_descriptor_header * const *ss_streaming,
+                unsigned int stream_interv, unsigned int stream_maxpkt,
+                unsigned int stream_maxburst, unsigned int trace)
 {
         struct uvc_device *uvc;
         int ret = 0;
@@ -794,6 +784,10 @@ uvc_bind_config(struct usb_configuration *c,
             ss_streaming[0]->bDescriptorSubType != UVC_VS_INPUT_HEADER)
                 goto error;
 
+        streaming_interval = stream_interv;
+        streaming_maxpacket = stream_maxpkt;
+        streaming_maxburst = stream_maxburst;
+        uvc_gadget_trace_param = trace;
         uvc->desc.fs_control = fs_control;
         uvc->desc.ss_control = ss_control;
         uvc->desc.fs_streaming = fs_streaming;
@@ -838,6 +832,4 @@ error:
         return ret;
 }
 
-module_param_named(trace, uvc_gadget_trace_param, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(trace, "Trace level bitmask");
 
diff --git a/drivers/usb/gadget/function/f_uvc.h b/drivers/usb/gadget/function/f_uvc.h
index ec52752f7326..74b9602ef2d8 100644
--- a/drivers/usb/gadget/function/f_uvc.h
+++ b/drivers/usb/gadget/function/f_uvc.h
@@ -21,7 +21,11 @@ int uvc_bind_config(struct usb_configuration *c,
                     const struct uvc_descriptor_header * const *hs_control,
                     const struct uvc_descriptor_header * const *fs_streaming,
                     const struct uvc_descriptor_header * const *hs_streaming,
-                    const struct uvc_descriptor_header * const *ss_streaming);
+                    const struct uvc_descriptor_header * const *ss_streaming,
+                    unsigned int streaming_interval_webcam,
+                    unsigned int streaming_maxpacket_webcam,
+                    unsigned int streaming_maxburst_webcam,
+                    unsigned int uvc_gadget_trace_webcam);
 
 #endif /* _F_UVC_H_ */
 
diff --git a/drivers/usb/gadget/legacy/webcam.c b/drivers/usb/gadget/legacy/webcam.c
index a11d8e420bfe..f826622d1dc2 100644
--- a/drivers/usb/gadget/legacy/webcam.c
+++ b/drivers/usb/gadget/legacy/webcam.c
@@ -29,6 +29,25 @@
 #include "f_uvc.c"
 
 USB_GADGET_COMPOSITE_OPTIONS();
+
+/*-------------------------------------------------------------------------*/
+
+/* module parameters specific to the Video streaming endpoint */
+static unsigned int streaming_interval = 1;
+module_param(streaming_interval, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(streaming_interval, "1 - 16");
+
+static unsigned int streaming_maxpacket = 1024;
+module_param(streaming_maxpacket, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(streaming_maxpacket, "1 - 1023 (FS), 1 - 3072 (hs/ss)");
+
+static unsigned int streaming_maxburst;
+module_param(streaming_maxburst, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(streaming_maxburst, "0 - 15 (ss only)");
+
+static unsigned int trace;
+module_param(trace, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(trace, "Trace level bitmask");
 /* --------------------------------------------------------------------------
  * Device descriptor
  */
@@ -326,9 +345,11 @@ static const struct uvc_descriptor_header * const uvc_ss_streaming_cls[] = {
 static int __init
 webcam_config_bind(struct usb_configuration *c)
 {
-        return uvc_bind_config(c, uvc_fs_control_cls, uvc_ss_control_cls,
-                uvc_fs_streaming_cls, uvc_hs_streaming_cls,
-                uvc_ss_streaming_cls);
+        return uvc_bind_config(c, uvc_fs_control_cls,
+                uvc_ss_control_cls, uvc_fs_streaming_cls,
+                uvc_hs_streaming_cls, uvc_ss_streaming_cls,
+                streaming_interval, streaming_maxpacket,
+                streaming_maxburst, trace);
 }
 
 static struct usb_configuration webcam_config_driver = {