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auxdisplay: deconfuse configuration

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The auxdisplay Kconfig is confusing.  It creates two separate menus
even though the settings are closely related.  Moreover, the options
for setting the boot message depend on CONFIG_PARPORT even though they
are used by drivers that do not.

Clear up the confusion by moving the "Parallel port LCD/Keypad" menu
under auxdisplay where it logically belongs.  Change the boot message
options to depend only on CONFIG_CHARLCD, making them accessible also
when only the HD44780 is selected.

Since the "Parallel port LCD/Keypad" driver now has a new dependency
on CONFIG_AUXDISPLAY, rename its Kconfig symbol and keep the old one
such that make oldconfig will not disable the driver.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
This commit is contained in:
Mans Rullgard 2019-03-01 18:48:14 +00:00 committed by Miguel Ojeda
parent cb79eb95c5
commit 24c764abfd
2 changed files with 13 additions and 6 deletions
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17
drivers/auxdisplay/Kconfig
View File

@ -164,9 +164,7 @@ config ARM_CHARLCD
line and the Linux version on the second line, but that's
still useful.
endif # AUXDISPLAY
menuconfig PANEL
menuconfig PARPORT_PANEL
tristate "Parallel port LCD/Keypad Panel support"
depends on PARPORT
select CHARLCD
@ -178,7 +176,7 @@ menuconfig PANEL
compiled as a module, or linked into the kernel and started at boot.
If you don't understand what all this is about, say N.
if PANEL
if PARPORT_PANEL
config PANEL_PARPORT
int "Default parallel port number (0=LPT1)"
@ -419,8 +417,11 @@ config PANEL_LCD_PIN_BL
Default for the 'BL' pin in custom profile is '0' (uncontrolled).
endif # PARPORT_PANEL
config PANEL_CHANGE_MESSAGE
bool "Change LCD initialization message ?"
depends on CHARLCD
default "n"
---help---
This allows you to replace the boot message indicating the kernel version
@ -444,7 +445,13 @@ config PANEL_BOOT_MESSAGE
An empty message will only clear the display at driver init time. Any other
printf()-formatted message is valid with newline and escape codes.
endif # PANEL
endif # AUXDISPLAY
config PANEL
tristate "Parallel port LCD/Keypad Panel support (OLD OPTION)"
depends on PARPORT
select AUXDISPLAY
select PARPORT_PANEL
config CHARLCD
tristate "Character LCD core support" if COMPILE_TEST

2
drivers/auxdisplay/Makefile
View File

@ -10,4 +10,4 @@ obj-$(CONFIG_CFAG12864B) += cfag12864b.o cfag12864bfb.o
obj-$(CONFIG_IMG_ASCII_LCD) += img-ascii-lcd.o
obj-$(CONFIG_HD44780) += hd44780.o
obj-$(CONFIG_HT16K33) += ht16k33.o
obj-$(CONFIG_PANEL) += panel.o
obj-$(CONFIG_PARPORT_PANEL) += panel.o