From: Simon Glass <sjg@chromium.org>
Date: Mon, 8 Jan 2024 00:14:54 +0000 (-0700)
Subject: video: Allow querying the font size
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-logo.png?a=commitdiff_plain;h=112eb85c5a23a0c4a3f14d7099f18fd3128996ec;p=u-boot.git

video: Allow querying the font size

All the font size to be queried using the 'font size' command.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/cmd/font.c b/cmd/font.c
index eb13fb12f7..36e4120365 100644
--- a/cmd/font.c
+++ b/cmd/font.c
@@ -55,9 +55,6 @@ static int do_font_size(struct cmd_tbl *cmdtp, int flag, int argc,
 	uint size;
 	int ret;
 
-	if (argc != 2)
-		return CMD_RET_USAGE;
-
 	if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
 		return CMD_RET_FAILURE;
 	ret = vidconsole_get_font_size(dev, &font_name, &size);
@@ -66,12 +63,16 @@ static int do_font_size(struct cmd_tbl *cmdtp, int flag, int argc,
 		return CMD_RET_FAILURE;
 	}
 
-	size = dectoul(argv[1], NULL);
+	if (argc < 2) {
+		printf("%d\n", size);
+	} else {
+		size = dectoul(argv[1], NULL);
 
-	ret = vidconsole_select_font(dev, font_name, size);
-	if (ret) {
-		printf("Failed (error %d)\n", ret);
-		return CMD_RET_FAILURE;
+		ret = vidconsole_select_font(dev, font_name, size);
+		if (ret) {
+			printf("Failed (error %d)\n", ret);
+			return CMD_RET_FAILURE;
+		}
 	}
 
 	return 0;
diff --git a/doc/usage/cmd/font.rst b/doc/usage/cmd/font.rst
index a878254633..44a04f5d07 100644
--- a/doc/usage/cmd/font.rst
+++ b/doc/usage/cmd/font.rst
@@ -13,7 +13,7 @@ Synopsis
 
     font list
     font select <name> [<size>]
-    font size <size>
+    font size [<size>]
 
 Description
 -----------
@@ -34,7 +34,7 @@ This selects a new font and optionally changes the size.
 font size
 ~~~~~~~~~
 
-This changes the font size only.
+This changes the font size only. With no argument it shows the current size.
 
 Examples
 --------
@@ -44,6 +44,8 @@ Examples
     => font list
     nimbus_sans_l_regular
     cantoraone_regular
+    => font size
+    30
     => font size 40
     => font select cantoraone_regular 20
     =>
diff --git a/test/cmd/font.c b/test/cmd/font.c
index 25d365dedd..2aea7b68c4 100644
--- a/test/cmd/font.c
+++ b/test/cmd/font.c
@@ -58,10 +58,19 @@ static int font_test_base(struct unit_test_state *uts)
 	ut_assertok(vidconsole_get_font_size(dev, &name, &size));
 	ut_asserteq_str("cantoraone_regular", name);
 	ut_asserteq(40, size);
+	ut_assertok(ut_check_console_end(uts));
+
+	ut_assertok(run_command("font size", 0));
+	ut_assert_nextline("40");
+	ut_assertok(ut_check_console_end(uts));
 
 	ut_assertok(run_command("font size 30", 0));
 	ut_assert_console_end();
 
+	ut_assertok(run_command("font size", 0));
+	ut_assert_nextline("30");
+	ut_assertok(ut_check_console_end(uts));
+
 	ut_assertok(vidconsole_get_font_size(dev, &name, &size));
 	ut_asserteq_str("cantoraone_regular", name);
 	ut_asserteq(30, size);