staging: panel: initialize lcd if lcd enabled

initialiaze lcd parameters only if lcd is enabled.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
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 322b73d..3339633 100644 (file)
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -2321,25 +2321,6 @@ static int __init panel_init_module(void)
                break;
        }
 
-       /*
-        * Init lcd struct with load-time values to preserve exact current
-        * functionality (at least for now).
-        */
-       lcd.height = lcd_height;
-       lcd.width = lcd_width;
-       lcd.bwidth = lcd_bwidth;
-       lcd.hwidth = lcd_hwidth;
-       lcd.charset = lcd_charset;
-       lcd.proto = lcd_proto;
-       lcd.pins.e = lcd_e_pin;
-       lcd.pins.rs = lcd_rs_pin;
-       lcd.pins.rw = lcd_rw_pin;
-       lcd.pins.cl = lcd_cl_pin;
-       lcd.pins.da = lcd_da_pin;
-       lcd.pins.bl = lcd_bl_pin;
-
-       /* Leave it for now, just in case */
-       lcd.esc_seq.len = -1;
 
        /*
         * Overwrite selection with module param values (both keypad and lcd),
@@ -2359,6 +2340,28 @@ static int __init panel_init_module(void)
 
        lcd.enabled = (selected_lcd_type > 0);
 
+       if (lcd.enabled) {
+               /*
+                * Init lcd struct with load-time values to preserve exact
+                * current functionality (at least for now).
+                */
+               lcd.height = lcd_height;
+               lcd.width = lcd_width;
+               lcd.bwidth = lcd_bwidth;
+               lcd.hwidth = lcd_hwidth;
+               lcd.charset = lcd_charset;
+               lcd.proto = lcd_proto;
+               lcd.pins.e = lcd_e_pin;
+               lcd.pins.rs = lcd_rs_pin;
+               lcd.pins.rw = lcd_rw_pin;
+               lcd.pins.cl = lcd_cl_pin;
+               lcd.pins.da = lcd_da_pin;
+               lcd.pins.bl = lcd_bl_pin;
+
+               /* Leave it for now, just in case */
+               lcd.esc_seq.len = -1;
+       }
+
        switch (selected_keypad_type) {
        case KEYPAD_TYPE_OLD:
                keypad_profile = old_keypad_profile;