linux-kernel - [PATCH 12/16] tty: vt, too many commands per line in rgb

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Date:	Thu, 23 Jun 2016 13:34:33 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	gregkh@...uxfoundation.org
Cc:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 12/16] tty: vt, too many commands per line in rgb_foreground

Do not opencode max3, use the macro.

Separate commands. Until now, I have not noticed the comma. Make it
one line, one command. And make the code obvious.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/vt/vt.c | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 63972336de20..acecd6662426 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1260,18 +1260,23 @@ static void rgb_from_256(int i, struct rgb *c)
 
 static void rgb_foreground(struct vc_data *vc, const struct rgb *c)
 {
-	u8 hue, max = c->r;
-	if (c->g > max)
-		max = c->g;
-	if (c->b > max)
-		max = c->b;
-	hue = (c->r > max/2 ? 4 : 0)
-	    | (c->g > max/2 ? 2 : 0)
-	    | (c->b > max/2 ? 1 : 0);
-	if (hue == 7 && max <= 0x55)
-		hue = 0, vc->vc_intensity = 2;
+	u8 hue = 0, max = max3(c->r, c->g, c->b);
+
+	if (c->r > max / 2)
+		hue |= 4;
+	if (c->g > max / 2)
+		hue |= 2;
+	if (c->b > max / 2)
+		hue |= 1;
+
+	if (hue == 7 && max <= 0x55) {
+		hue = 0;
+		vc->vc_intensity = 2;
+	} else if (max > 0xaa)
+		vc->vc_intensity = 2;
 	else
-		vc->vc_intensity = (max > 0xaa) + 1;
+		vc->vc_intensity = 1;
+
 	vc->vc_color = (vc->vc_color & 0xf0) | hue;
 }
 
-- 
2.9.0