Commit c8ffef98 authored by Chris Packham's avatar Chris Packham Committed by Andy Shevchenko
Browse files

auxdisplay: linedisp: Support configuring the boot message 



Like we do for charlcd, allow the configuration of the initial message
on line-display devices.

Signed-off-by: default avatarChris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent 1bbf5a21

drivers/auxdisplay/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -316,7 +316,7 @@ endif # PARPORT_PANEL 


config PANEL_CHANGE_MESSAGE

	bool "Change LCD initialization message ?"

	depends on CHARLCD

	depends on CHARLCD || LINEDISP

	help

	  This allows you to replace the boot message indicating the kernel version

	  and the driver version with a custom message. This is useful on appliances

drivers/auxdisplay/line-display.c

+9 −1
Original line number Diff line number Diff line
@@ -8,7 +8,9 @@ 
 * Copyright (C) 2021 Glider bv

 */



#ifndef CONFIG_PANEL_BOOT_MESSAGE

#include <generated/utsrelease.h>

#endif



#include <linux/container_of.h>

#include <linux/device.h>
@@ -312,6 +314,12 @@ static int linedisp_init_map(struct linedisp *linedisp) 
	return 0;

}



#ifdef CONFIG_PANEL_BOOT_MESSAGE

#define LINEDISP_INIT_TEXT CONFIG_PANEL_BOOT_MESSAGE

#else

#define LINEDISP_INIT_TEXT "Linux " UTS_RELEASE "       "

#endif



/**

 * linedisp_register - register a character line display

 * @linedisp: pointer to character line display structure
@@ -359,7 +367,7 @@ int linedisp_register(struct linedisp *linedisp, struct device *parent, 
		goto out_del_timer;



	/* display a default message */

	err = linedisp_display(linedisp, "Linux " UTS_RELEASE "       ", -1);

	err = linedisp_display(linedisp, LINEDISP_INIT_TEXT, -1);

	if (err)

		goto out_del_dev;