media: uvcvideo: Use kernel integer types
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Tue, 16 Jan 2018 17:35:17 +0000 (12:35 -0500)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 23 Feb 2018 07:17:17 +0000 (02:17 -0500)
Replace the uint_{8,16,32} types with the corresponding native kernel
types u{8,16,32}.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/usb/uvc/uvc_driver.c
drivers/media/usb/uvc/uvc_v4l2.c
drivers/media/usb/uvc/uvcvideo.h

index fd387bf..56d906d 100644 (file)
@@ -267,11 +267,11 @@ static __u32 uvc_colorspace(const __u8 primaries)
  * continued fraction decomposition. Using 8 and 333 for n_terms and threshold
  * respectively seems to give nice results.
  */
-void uvc_simplify_fraction(uint32_t *numerator, uint32_t *denominator,
+void uvc_simplify_fraction(u32 *numerator, u32 *denominator,
                unsigned int n_terms, unsigned int threshold)
 {
-       uint32_t *an;
-       uint32_t x, y, r;
+       u32 *an;
+       u32 x, y, r;
        unsigned int i, n;
 
        an = kmalloc(n_terms * sizeof *an, GFP_KERNEL);
@@ -318,21 +318,21 @@ void uvc_simplify_fraction(uint32_t *numerator, uint32_t *denominator,
  * to compute numerator / denominator * 10000000 using 32 bit fixed point
  * arithmetic only.
  */
-uint32_t uvc_fraction_to_interval(uint32_t numerator, uint32_t denominator)
+u32 uvc_fraction_to_interval(u32 numerator, u32 denominator)
 {
-       uint32_t multiplier;
+       u32 multiplier;
 
        /* Saturate the result if the operation would overflow. */
        if (denominator == 0 ||
-           numerator/denominator >= ((uint32_t)-1)/10000000)
-               return (uint32_t)-1;
+           numerator/denominator >= ((u32)-1)/10000000)
+               return (u32)-1;
 
        /* Divide both the denominator and the multiplier by two until
         * numerator * multiplier doesn't overflow. If anyone knows a better
         * algorithm please let me know.
         */
        multiplier = 10000000;
-       while (numerator > ((uint32_t)-1)/multiplier) {
+       while (numerator > ((u32)-1)/multiplier) {
                multiplier /= 2;
                denominator /= 2;
        }
index 5ff6ca1..ed6dcef 100644 (file)
@@ -336,7 +336,7 @@ done:
 static int uvc_v4l2_get_streamparm(struct uvc_streaming *stream,
                struct v4l2_streamparm *parm)
 {
-       uint32_t numerator, denominator;
+       u32 numerator, denominator;
 
        if (parm->type != stream->type)
                return -EINVAL;
index 5e71160..247a06d 100644 (file)
@@ -776,9 +776,9 @@ int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
                      struct uvc_xu_control_query *xqry);
 
 /* Utility functions */
-void uvc_simplify_fraction(uint32_t *numerator, uint32_t *denominator,
+void uvc_simplify_fraction(u32 *numerator, u32 *denominator,
                           unsigned int n_terms, unsigned int threshold);
-uint32_t uvc_fraction_to_interval(uint32_t numerator, uint32_t denominator);
+u32 uvc_fraction_to_interval(u32 numerator, u32 denominator);
 struct usb_host_endpoint *uvc_find_endpoint(struct usb_host_interface *alts,
                                            __u8 epaddr);