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From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: Willy Tarreau <willy@meta-x.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] staging: panel: initialize lcd if lcd enabled
Date: Tue, 10 Feb 2015 17:26:03 +0530	[thread overview]
Message-ID: <1423569363-7354-2-git-send-email-sudipm.mukherjee@gmail.com> (raw)
In-Reply-To: <1423569363-7354-1-git-send-email-sudipm.mukherjee@gmail.com>

initialiaze lcd parameters only if lcd is enabled.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/staging/panel/panel.c | 41 ++++++++++++++++++++++-------------------
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index df044b2..05657f2 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -2323,25 +2323,6 @@ 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),
@@ -2361,6 +2342,28 @@ 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;
-- 
1.8.1.2


  reply	other threads:[~2015-02-10 11:56 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-10 11:56 [PATCH 1/2] staging: panel: register driver after checking device Sudip Mukherjee
2015-02-10 11:56 ` Sudip Mukherjee [this message]
2015-02-10 17:53   ` [PATCH 2/2] staging: panel: initialize lcd if lcd enabled Willy Tarreau
2015-02-10 17:51 ` [PATCH 1/2] staging: panel: register driver after checking device Willy Tarreau

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