media: uvcvideo: Rename uvc_format 'frame' field to 'frames'

The uvc_format 'frame' field points to an array of frames. Rename it to
'frames' to make this clearer.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/usb/uvc/uvc_driver.c

@@ -339,8 +339,8 @@ static int uvc_parse_format(struct uvc_device *dev,
 		ftype = 0;
 
 		/* Create a dummy frame descriptor. */
-		frame = &format->frame[0];
-		memset(&format->frame[0], 0, sizeof(format->frame[0]));
+		frame = &format->frames[0];
+		memset(&format->frames[0], 0, sizeof(format->frames[0]));
 		frame->bFrameIntervalType = 1;
 		frame->dwDefaultFrameInterval = 1;
 		frame->dwFrameInterval = *intervals;
@@ -370,7 +370,7 @@ static int uvc_parse_format(struct uvc_device *dev,
 	 */
 	while (buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE &&
 	       buffer[2] == ftype) {
-		frame = &format->frame[format->nframes];
+		frame = &format->frames[format->nframes];
 		if (ftype != UVC_VS_FRAME_FRAME_BASED)
 			n = buflen > 25 ? buffer[25] : 0;
 		else
@@ -687,7 +687,7 @@ static int uvc_parse_streaming(struct uvc_device *dev,
 		case UVC_VS_FORMAT_MJPEG:
 		case UVC_VS_FORMAT_DV:
 		case UVC_VS_FORMAT_FRAME_BASED:
-			format->frame = frame;
+			format->frames = frame;
 			ret = uvc_parse_format(dev, streaming, format,
 				&interval, buffer, buflen);
 			if (ret < 0)

drivers/media/usb/uvc/uvc_v4l2.c

@@ -255,14 +255,14 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
 	maxd = (unsigned int)-1;
 
 	for (i = 0; i < format->nframes; ++i) {
-		u16 w = format->frame[i].wWidth;
-		u16 h = format->frame[i].wHeight;
+		u16 w = format->frames[i].wWidth;
+		u16 h = format->frames[i].wHeight;
 
 		d = min(w, rw) * min(h, rh);
 		d = w*h + rw*rh - 2*d;
 		if (d < maxd) {
 			maxd = d;
-			frame = &format->frame[i];
+			frame = &format->frames[i];
 		}
 
 		if (maxd == 0)
@@ -331,8 +331,8 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
 			probe->bFormatIndex);
 
 	for (i = 0; i < format->nframes; ++i) {
-		if (probe->bFrameIndex == format->frame[i].bFrameIndex) {
-			frame = &format->frame[i];
+		if (probe->bFrameIndex == format->frames[i].bFrameIndex) {
+			frame = &format->frames[i];
 			break;
 		}
 	}
@@ -501,19 +501,19 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,
 	for (i = 0; i < format->nframes && maxd != 0; i++) {
 		u32 d, ival;
 
-		if (&format->frame[i] == stream->cur_frame)
+		if (&format->frames[i] == stream->cur_frame)
 			continue;
 
-		if (format->frame[i].wWidth != stream->cur_frame->wWidth ||
-		    format->frame[i].wHeight != stream->cur_frame->wHeight)
+		if (format->frames[i].wWidth != stream->cur_frame->wWidth ||
+		    format->frames[i].wHeight != stream->cur_frame->wHeight)
 			continue;
 
-		ival = uvc_try_frame_interval(&format->frame[i], interval);
+		ival = uvc_try_frame_interval(&format->frames[i], interval);
 		d = abs((s32)ival - interval);
 		if (d >= maxd)
 			continue;
 
-		frame = &format->frame[i];
+		frame = &format->frames[i];
 		probe.bFrameIndex = frame->bFrameIndex;
 		probe.dwFrameInterval = ival;
 		maxd = d;
@@ -1266,10 +1266,10 @@ static int uvc_ioctl_enum_framesizes(struct file *file, void *fh,
 
 	/* Skip duplicate frame sizes */
 	for (i = 0, index = 0; i < format->nframes; i++) {
-		if (frame && frame->wWidth == format->frame[i].wWidth &&
-		    frame->wHeight == format->frame[i].wHeight)
+		if (frame && frame->wWidth == format->frames[i].wWidth &&
+		    frame->wHeight == format->frames[i].wHeight)
 			continue;
-		frame = &format->frame[i];
+		frame = &format->frames[i];
 		if (index == fsize->index)
 			break;
 		index++;
@@ -1307,9 +1307,9 @@ static int uvc_ioctl_enum_frameintervals(struct file *file, void *fh,
 
 	index = fival->index;
 	for (i = 0; i < format->nframes; i++) {
-		if (format->frame[i].wWidth == fival->width &&
-		    format->frame[i].wHeight == fival->height) {
-			frame = &format->frame[i];
+		if (format->frames[i].wWidth == fival->width &&
+		    format->frames[i].wHeight == fival->height) {
+			frame = &format->frames[i];
 			nintervals = frame->bFrameIntervalType ?: 1;
 			if (index < nintervals)
 				break;

drivers/media/usb/uvc/uvc_video.c

@@ -176,8 +176,8 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
 		return;
 
 	for (i = 0; i < format->nframes; ++i) {
-		if (format->frame[i].bFrameIndex == ctrl->bFrameIndex) {
-			frame = &format->frame[i];
+		if (format->frames[i].bFrameIndex == ctrl->bFrameIndex) {
+			frame = &format->frames[i];
 			break;
 		}
 	}
@@ -2179,7 +2179,7 @@ int uvc_video_init(struct uvc_streaming *stream)
 	 * descriptor is not found, use the first available frame.
 	 */
 	for (i = format->nframes; i > 0; --i) {
-		frame = &format->frame[i-1];
+		frame = &format->frames[i-1];
 		if (frame->bFrameIndex == probe->bFrameIndex)
 			break;
 	}

drivers/media/usb/uvc/uvcvideo.h

@@ -265,7 +265,7 @@ struct uvc_format {
 	u32 flags;
 
 	unsigned int nframes;
-	struct uvc_frame *frame;
+	struct uvc_frame *frames;
 };
 
 struct uvc_streaming_header {