From c6774ee035dcb8782c59a3f7f958f36ad439793b Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 24 Mar 2020 11:36:10 +0100 Subject: [PATCH] media: Kconfig: make filtering devices optional The per-device option selection is a feature that some developers love, while others hate... So, let's make both happy by making it optional. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/Kconfig | 31 +++++++++++++++++++++++++++---- 1 file changed, 27 insertions(+), 4 deletions(-) diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index a57f898fa35e..8b070fb703f9 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -25,14 +25,32 @@ menuconfig MEDIA_SUPPORT Additional info and docs are available on the web at -menu "Types of devices to be supported" +if MEDIA_SUPPORT + +config MEDIA_SUPPORT_FILTER + bool "Filter devices by their types" depends on MEDIA_SUPPORT + help + Configuring the media subsystem can be complex, as there are + hundreds of drivers and other config options. + + This menu offers option that will help the Kernel's config + system to hide drivers that are out of the scope of the + user needs, and disabling core support for unused APIs. + + If not selected, all non-optional media core functionality + needed to support media drivers will be enabled. Also, all + media device drivers should be shown. + +menu "Media device types" + visible if MEDIA_SUPPORT_FILTER # # Multimedia support - automatically enable V4L2 and DVB core # config MEDIA_CAMERA_SUPPORT bool "Cameras and video grabbers" + default y if !MEDIA_SUPPORT_FILTER help Enable support for webcams and video grabbers. @@ -40,6 +58,7 @@ config MEDIA_CAMERA_SUPPORT config MEDIA_ANALOG_TV_SUPPORT bool "Analog TV" + default y if !MEDIA_SUPPORT_FILTER help Enable analog TV support. @@ -47,6 +66,7 @@ config MEDIA_ANALOG_TV_SUPPORT config MEDIA_DIGITAL_TV_SUPPORT bool "Digital TV" + default y if !MEDIA_SUPPORT_FILTER help Enable digital TV support. @@ -54,6 +74,7 @@ config MEDIA_DIGITAL_TV_SUPPORT config MEDIA_RADIO_SUPPORT bool "AM/FM radio receivers/transmitters" + default y if !MEDIA_SUPPORT_FILTER help Enable AM/FM radio support. @@ -64,6 +85,7 @@ config MEDIA_RADIO_SUPPORT config MEDIA_SDR_SUPPORT bool "Software defined radio" + default y if !MEDIA_SUPPORT_FILTER help Enable software defined radio support. @@ -71,6 +93,7 @@ config MEDIA_SDR_SUPPORT config MEDIA_CEC_SUPPORT bool "HDMI CEC" + default y if !MEDIA_SUPPORT_FILTER help Enable support for HDMI CEC (Consumer Electronics Control), which is an optional HDMI feature. @@ -80,6 +103,7 @@ config MEDIA_CEC_SUPPORT config MEDIA_PLATFORM_SUPPORT bool "Platform-specific devices" + default y if !MEDIA_SUPPORT_FILTER help Enable support for complex cameras, codecs, and other hardware that are integrated at the CPU, GPU or on Image Signalling Processor @@ -92,6 +116,7 @@ config MEDIA_PLATFORM_SUPPORT config MEDIA_TEST_SUPPORT bool "Test drivers" + default y if !MEDIA_SUPPORT_FILTER help Those drivers should not be used on production Kernels, but can be useful on debug ones. It enables several dummy drivers @@ -103,9 +128,7 @@ config MEDIA_TEST_SUPPORT In case of doubts, say N. Say Y when you have a software defined radio device. -endmenu # Types of devices to be supported - -if MEDIA_SUPPORT +endmenu # media device types comment "Multimedia core features"