gadget/function/uvc_configfs.c

77 static int __uvcg_iter_item_entries(const char *page, size_t len,
83 	const char *pg = page;
94 	while (pg - page < len) {
96 		while (i < bufsize && (pg - page < len) &&
103 		while ((pg - page < len) && (*pg == '\0' || *pg == '\n'))
188 	struct config_item *item, char *page)				\
202 	result = sprintf(page, "%u\n", le##bits##_to_cpu(ch->desc.aname));\
211 			   const char *page, size_t len)		\
231 	ret = kstrtou##bits(page, 0, &num);				\
306 	struct config_item *item, char *page)				\
322 	result = sprintf(page, "%u\n", le##bits##_to_cpu(pd->aname));	\
339 	struct config_item *item, const char *page, size_t len)
362 	ret = __uvcg_iter_item_entries(page, len, __uvcg_count_item_entries, &n,
378 	ret = __uvcg_iter_item_entries(page, len, __uvcg_fill_item_entries, &tmp,
397 	struct config_item *item, char *page)
405 	char *pg = page;
416 		pg = page + result;
467 	struct config_item *item, char *page)				\
484 	result = sprintf(page, "%u\n", le##bits##_to_cpu(cd->aname));	\
508 	struct config_item *item, const char *page, size_t len)
532 	ret = __uvcg_iter_item_entries(page, len, __uvcg_count_item_entries, &n,
548 	ret = __uvcg_iter_item_entries(page, len, __uvcg_fill_item_entries, &tmp,
567 	struct config_item *item, char *page)
575 	char *pg = page;
587 		pg = page + result;
640 	struct config_item *item, char *page)				\
657 	result = sprintf(page, "%u\n", le##bits##_to_cpu(cd->aname));	\
675 						    char *page)
692 	result = sprintf(page, "%u\n", le8_to_cpu(cd->bSourceID));
701 						     const char *page, size_t len)
711 	result = kstrtou8(page, 0, &num);
789 					     char *page)		\
804 	ret = sprintf(page, "%u\n", xu->desc.aname);			\
818 						   const char *page, size_t len)
828 	ret = kstrtou8(page, 0, &num);
852 						 const char *page, size_t len)
863 	ret = kstrtou8(page, 0, &num);
905 						   const char *page, size_t len)
916 	ret = kstrtou8(page, 0, &num);
955 						       char *page)
969 	memcpy(page, xu->desc.guidExtensionCode, sizeof(xu->desc.guidExtensionCode));
978 							const char *page, size_t len)
993 	memcpy(xu->desc.guidExtensionCode, page,
1007 						char *page)
1014 	char *pg = page;
1025 		pg = page + ret;
1035 						 const char *page, size_t len)
1052 	ret = __uvcg_iter_item_entries(page, len, __uvcg_count_item_entries, &n,
1063 	ret = __uvcg_iter_item_entries(page, len, __uvcg_fill_item_entries, &iter,
1086 					       char *page)
1093 	char *pg = page;
1104 		pg = page + ret;
1114 						const char *page, size_t len)
1131 	ret = __uvcg_iter_item_entries(page, len, __uvcg_count_item_entries, &n,
1142 	ret = __uvcg_iter_item_entries(page, len, __uvcg_fill_item_entries, &iter,
1467 	struct config_item *item, char *page)
1481 	result += sprintf(page, "%u\n", opts->control_interface);
1492 	struct config_item *item, char *page)
1506 	result += sprintf(page, "%u\n", opts->enable_interrupt_ep);
1515 	struct config_item *item, const char *page, size_t len)
1524 	ret = kstrtou8(page, 0, &num);
1670 static ssize_t uvcg_format_bma_controls_show(struct uvcg_format *f, char *page)
1676 	char *pg = page;
1688 		pg = page + result;
1697 					      const char *page, size_t len)
1715 	if (len < 4 || *page != '0' ||
1716 	    (*(page + 1) != 'x' && *(page + 1) != 'X'))
1718 	ret = hex2bin(ch->bmaControls, page + 2, 1);
1841 	struct config_item *item, char *page)				\
1855 	result = sprintf(page, "%u\n", le##bits##_to_cpu(sh->desc.aname));\
1925 static ssize_t uvcg_frame_##cname##_show(struct config_item *item, char *page)\
1939 	result = sprintf(page, "%u\n", f->frame.cname);			\
1947 					   const char *page, size_t len)\
1957 	ret = kstrtou##bits(page, 0, &num);				\
1984 					     char *page)
2008 	result = sprintf(page, "%u\n", f->frame.b_frame_index);
2029 						 char *page)
2036 	char *pg = page;
2046 		pg = page + result;
2055 						  const char *page, size_t len)
2077 	ret = __uvcg_iter_item_entries(page, len, __uvcg_count_item_entries, &n, sizeof(u32));
2087 	ret = __uvcg_iter_item_entries(page, len, __uvcg_fill_item_entries, &tmp, sizeof(u32));
2236 							char *page)
2249 	memcpy(page, ch->desc.guidFormat, sizeof(ch->desc.guidFormat));
2258 						   const char *page, size_t len)
2279 	memcpy(tmpguidFormat, page,
2302 	struct config_item *item, char *page)				\
2316 	result = sprintf(page, "%u\n", le##bits##_to_cpu(u->desc.aname));\
2327 	struct config_item *item, char *page)				\
2341 	result = sprintf(page, "%u\n", le##bits##_to_cpu(u->desc.aname));\
2350 				    const char *page, size_t len)	\
2370 	ret = kstrtou8(page, 0, &num);					\
2401 uvcg_uncompressed_bma_controls_show(struct config_item *item, char *page)
2404 	return uvcg_format_bma_controls_show(&unc->fmt, page);
2409 				     const char *page, size_t len)
2412 	return uvcg_format_bma_controls_store(&unc->fmt, page, len);
2500 static ssize_t uvcg_mjpeg_##cname##_show(struct config_item *item, char *page)\
2514 	result = sprintf(page, "%u\n", le##bits##_to_cpu(u->desc.aname));\
2524 static ssize_t uvcg_mjpeg_##cname##_show(struct config_item *item, char *page)\
2538 	result = sprintf(page, "%u\n", le##bits##_to_cpu(u->desc.aname));\
2547 			   const char *page, size_t len)		\
2567 	ret = kstrtou8(page, 0, &num);					\
2598 uvcg_mjpeg_bma_controls_show(struct config_item *item, char *page)
2601 	return uvcg_format_bma_controls_show(&u->fmt, page);
2606 				     const char *page, size_t len)
2609 	return uvcg_format_bma_controls_store(&u->fmt, page, len);
2686 	struct config_item *item, char *page)				\
2702 	result = sprintf(page, "%u\n",					\
2711 	struct config_item *item, const char *page, size_t len)		\
2722 	ret = kstrtou##bits(page, 0, &num);				\
3248 	struct config_item *item, char *page)
3262 	result += sprintf(page, "%u\n", opts->streaming_interface);
3372 	struct config_item *item, char *page)				\
3378 	result = sprintf(page, "%u\n", opts->cname);			\
3386 			   const char *page, size_t len)		\
3398 	ret = kstrtouint(page, 0, &num);				\
3423 					 char *page)			\
3429 	result = scnprintf(page, sizeof(opts->aname), "%s", opts->aname);\
3436 					  const char *page, size_t len)	\
3448 	ret = strscpy(opts->aname, page, size);				\