[PATCH 2/8] usb/gadget: uvc: move module parameters from f_uvc

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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@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 drivers/usb/gadget/f_uvc.c  |   27 +++++++++++++--------------
 drivers/usb/gadget/f_uvc.h  |    6 +++++-
 drivers/usb/gadget/webcam.c |   27 ++++++++++++++++++++++++++-
 3 files changed, 44 insertions(+), 16 deletions(-)

diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
index ac0ac82..aecd2db 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -29,6 +29,10 @@
 #include "uvc.h"
 
 unsigned int uvc_gadget_trace_param;
+unsigned int streaming_interval;
+unsigned int streaming_maxpacket;
+unsigned int streaming_maxburst;
+
 DECLARE_UVC_HEADER_DESCRIPTOR(1);
 
 static const struct UVC_HEADER_DESCRIPTOR(1) uvc_control_header = {
@@ -170,7 +174,6 @@ static const struct uvc_format_mjpeg uvc_format_mjpg = {
 	.bCopyProtect		= 0,
 };
 
-/*-------------------------------------------------------------------------*/
 DECLARE_UVC_FRAME_MJPEG(1);
 DECLARE_UVC_FRAME_MJPEG(3);
 
@@ -192,10 +195,6 @@ static const struct UVC_FRAME_MJPEG(3) uvc_frame_mjpg_360p = {
 	.dwFrameInterval[2]	= cpu_to_le32(5000000),
 };
 
-/* 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 const struct UVC_FRAME_MJPEG(1) uvc_frame_mjpg_720p = {
 	.bLength		= UVC_DT_FRAME_MJPEG_SIZE(1),
 	.bDescriptorType	= USB_DT_CS_INTERFACE,
@@ -212,9 +211,6 @@ static const struct UVC_FRAME_MJPEG(1) uvc_frame_mjpg_720p = {
 	.dwFrameInterval[0]	= cpu_to_le32(5000000),
 };
 
-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 const struct uvc_color_matching_descriptor uvc_color_matching = {
 	.bLength		= UVC_DT_COLOR_MATCHING_SIZE,
 	.bDescriptorType	= USB_DT_CS_INTERFACE,
@@ -240,9 +236,6 @@ static const struct uvc_descriptor_header * const uvc_ss_control_cls[] = {
 	NULL,
 };
 
-static unsigned int streaming_maxburst;
-module_param(streaming_maxburst, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(streaming_maxburst, "0 - 15 (ss only)");
 static const struct uvc_descriptor_header * const uvc_fs_streaming_cls[] = {
 	(const struct uvc_descriptor_header *) &uvc_input_header,
 	(const struct uvc_descriptor_header *) &uvc_format_yuv,
@@ -978,7 +971,11 @@ error:
  * calling @uvc_cleanup() before module unload.
  */
 int __init
-uvc_bind_config(struct usb_configuration *c)
+uvc_bind_config(struct usb_configuration *c,
+		unsigned int streaming_interval_webcam,
+		unsigned int streaming_maxpacket_webcam,
+		unsigned int streaming_maxburst_webcam,
+		unsigned int uvc_gadget_trace_webcam)
 {
 	struct uvc_device *uvc;
 	int ret = 0;
@@ -1016,6 +1013,10 @@ uvc_bind_config(struct usb_configuration *c)
 	    uvc_ss_streaming_cls[0]->bDescriptorSubType != UVC_VS_INPUT_HEADER)
 		goto error;
 
+	streaming_interval = streaming_interval_webcam;
+	streaming_maxpacket = streaming_maxpacket_webcam;
+	streaming_maxburst = streaming_maxburst_webcam;
+	uvc_gadget_trace_param = uvc_gadget_trace_webcam;
 	uvc->desc.fs_control = uvc_fs_control_cls;
 	uvc->desc.ss_control = uvc_ss_control_cls;
 	uvc->desc.fs_streaming = uvc_fs_streaming_cls;
@@ -1060,6 +1061,4 @@ 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/f_uvc.h b/drivers/usb/gadget/f_uvc.h
index edfe772..6732c0d 100644
--- a/drivers/usb/gadget/f_uvc.h
+++ b/drivers/usb/gadget/f_uvc.h
@@ -16,7 +16,11 @@
 #include <linux/usb/composite.h>
 #include <linux/usb/video.h>
 
-int uvc_bind_config(struct usb_configuration *c);
+int uvc_bind_config(struct usb_configuration *c,
+		    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/webcam.c b/drivers/usb/gadget/webcam.c
index df809e7..6809dc2 100644
--- a/drivers/usb/gadget/webcam.c
+++ b/drivers/usb/gadget/webcam.c
@@ -29,6 +29,28 @@
 #include "f_uvc.c"
 
 USB_GADGET_COMPOSITE_OPTIONS();
+
+/*-------------------------------------------------------------------------*/
+
+/* module parameters specific to the Video streaming endpoint */
+static unsigned int streaming_interval_webcam = 1;
+module_param_named(streaming_interval, streaming_interval_webcam, uint,
+		   S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(streaming_interval, "1 - 16");
+
+static unsigned int streaming_maxpacket_webcam = 1024;
+module_param_named(streaming_maxpacket, streaming_maxpacket_webcam, uint,
+		   S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(streaming_maxpacket, "1 - 1023 (FS), 1 - 3072 (hs/ss)");
+
+static unsigned int streaming_maxburst_webcam;
+module_param_named(streaming_maxburst, streaming_maxburst_webcam, uint,
+		   S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(streaming_maxburst, "0 - 15 (ss only)");
+
+unsigned int uvc_gadget_trace_param_webcam;
+module_param_named(trace, uvc_gadget_trace_param_webcam, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(trace, "Trace level bitmask");
 /* --------------------------------------------------------------------------
  * Device descriptor
  */
@@ -87,7 +109,10 @@ static struct usb_device_descriptor webcam_device_descriptor = {
 static int __init
 webcam_config_bind(struct usb_configuration *c)
 {
-	return uvc_bind_config(c);
+	return uvc_bind_config(c, streaming_interval_webcam,
+			       streaming_maxpacket_webcam,
+			       streaming_maxburst_webcam,
+			       uvc_gadget_trace_param_webcam);
 }
 
 static struct usb_configuration webcam_config_driver = {
-- 
1.7.0.4

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