staging: panel: Remove more magic number comparison

Use a defined value instead of magic number comparison
for checking whether a module param value has been set.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 0bdb447..19f6767 100644 (file)
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -1494,17 +1494,17 @@ static void lcd_init(void)
        }
 
        /* Overwrite with module params set on loading */
-       if (lcd_height > -1)
+       if (lcd_height != NOT_SET)
                lcd.height = lcd_height;
-       if (lcd_width > -1)
+       if (lcd_width != NOT_SET)
                lcd.width = lcd_width;
-       if (lcd_bwidth > -1)
+       if (lcd_bwidth != NOT_SET)
                lcd.bwidth = lcd_bwidth;
-       if (lcd_hwidth > -1)
+       if (lcd_hwidth != NOT_SET)
                lcd.hwidth = lcd_hwidth;
-       if (lcd_charset > -1)
+       if (lcd_charset != NOT_SET)
                lcd.charset = lcd_charset;
-       if (lcd_proto > -1)
+       if (lcd_proto != NOT_SET)
                lcd.proto = lcd_proto;
        if (lcd_e_pin != PIN_NOT_SET)
                lcd.pins.e = lcd_e_pin;
@@ -2304,16 +2304,16 @@ static int __init panel_init_module(void)
         * Overwrite selection with module param values (both keypad and lcd),
         * where the deprecated params have lower prio.
         */
-       if (keypad_enabled > -1)
+       if (keypad_enabled != NOT_SET)
                selected_keypad_type = keypad_enabled;
-       if (keypad_type > -1)
+       if (keypad_type != NOT_SET)
                selected_keypad_type = keypad_type;
 
        keypad.enabled = (selected_keypad_type > 0);
 
-       if (lcd_enabled > -1)
+       if (lcd_enabled != NOT_SET)
                selected_lcd_type = lcd_enabled;
-       if (lcd_type > -1)
+       if (lcd_type != NOT_SET)
                selected_lcd_type = lcd_type;
 
        lcd.enabled = (selected_lcd_type > 0);