[PATCH v2 8/9] staging: panel: Remove more magic number comparison

Mariusz Gorski
2014-11-19T20:47:57Z

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>
---
v2: Don't introduce new macros for param value check

drivers/staging/panel/panel.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 0bdb447..19f6767 100644
--- 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);
--
2.1.3