video: Begin support for measuring multiple lines of text
Update the vidconsole API so that measure() can measure multiple lines
of text. This will make it easier to implement multi-line fields in
expo.
Tidy up the function comments while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c
index a1dfd35..4ca41dc 100644
--- a/drivers/video/vidconsole-uclass.c
+++ b/drivers/video/vidconsole-uclass.c
@@ -608,14 +608,17 @@
}
int vidconsole_measure(struct udevice *dev, const char *name, uint size,
- const char *text, struct vidconsole_bbox *bbox)
+ const char *text, struct vidconsole_bbox *bbox,
+ struct alist *lines)
{
struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
struct vidconsole_ops *ops = vidconsole_get_ops(dev);
int ret;
if (ops->measure) {
- ret = ops->measure(dev, name, size, text, bbox);
+ if (lines)
+ alist_empty(lines);
+ ret = ops->measure(dev, name, size, text, bbox, lines);
if (ret != -ENOSYS)
return ret;
}