From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752053AbdBFOiQ (ORCPT ); Mon, 6 Feb 2017 09:38:16 -0500 Received: from michel.telenet-ops.be ([195.130.137.88]:55398 "EHLO michel.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751154AbdBFOiK (ORCPT ); Mon, 6 Feb 2017 09:38:10 -0500 From: Geert Uytterhoeven To: Miguel Ojeda Sandonis , Greg Kroah-Hartman , Willy Tarreau , Ksenija Stanojevic , Arnd Bergmann Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 07/13] misc: panel: Add lcd_home() helper Date: Mon, 6 Feb 2017 15:38:09 +0100 Message-Id: <1486391895-9554-8-git-send-email-geert@linux-m68k.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1486391895-9554-1-git-send-email-geert@linux-m68k.org> References: <1486391895-9554-1-git-send-email-geert@linux-m68k.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a helper function to move the cursor to the home position, so callers no longer need access to internal state. Signed-off-by: Geert Uytterhoeven --- drivers/misc/panel.c | 39 +++++++++++++++------------------------ 1 file changed, 15 insertions(+), 24 deletions(-) diff --git a/drivers/misc/panel.c b/drivers/misc/panel.c index ed19b3e399b08d1f..9c7b00951c22b1c2 100644 --- a/drivers/misc/panel.c +++ b/drivers/misc/panel.c @@ -903,6 +903,13 @@ static void lcd_gotoxy(void) (lcd.hwidth - 1) : lcd.bwidth - 1)); } +static void lcd_home(void) +{ + lcd.addr.x = 0; + lcd.addr.y = 0; + lcd_gotoxy(); +} + static void lcd_print(char c) { if (lcd.addr.x < lcd.bwidth) { @@ -921,9 +928,7 @@ static void lcd_clear_fast_s(void) { int pos; - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); spin_lock_irq(&pprt_lock); for (pos = 0; pos < lcd.height * lcd.hwidth; pos++) { @@ -935,9 +940,7 @@ static void lcd_clear_fast_s(void) } spin_unlock_irq(&pprt_lock); - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); } /* fills the display with spaces and resets X/Y */ @@ -945,9 +948,7 @@ static void lcd_clear_fast_p8(void) { int pos; - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); spin_lock_irq(&pprt_lock); for (pos = 0; pos < lcd.height * lcd.hwidth; pos++) { @@ -973,9 +974,7 @@ static void lcd_clear_fast_p8(void) } spin_unlock_irq(&pprt_lock); - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); } /* fills the display with spaces and resets X/Y */ @@ -983,9 +982,7 @@ static void lcd_clear_fast_tilcd(void) { int pos; - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); spin_lock_irq(&pprt_lock); for (pos = 0; pos < lcd.height * lcd.hwidth; pos++) { @@ -996,9 +993,7 @@ static void lcd_clear_fast_tilcd(void) spin_unlock_irq(&pprt_lock); - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); } /* clears the display and resets X/Y */ @@ -1373,9 +1368,7 @@ static void lcd_write_char(char c) processed = 1; } else if (!strcmp(lcd.esc_seq.buf, "[H")) { /* cursor to home */ - lcd.addr.x = 0; - lcd.addr.y = 0; - lcd_gotoxy(); + lcd_home(); processed = 1; } /* codes starting with ^[[L */ @@ -1654,11 +1647,9 @@ static void lcd_init(void) #else panel_lcd_print("\x1b[Lc\x1b[Lb\x1b[L*Linux-" UTS_RELEASE); #endif - lcd.addr.x = 0; - lcd.addr.y = 0; /* clear the display on the next device opening */ lcd.must_clear = true; - lcd_gotoxy(); + lcd_home(); } /* -- 1.9.1