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Message-Id: <20251203-old-alsa-v1-1-ac80704f52c3@ixit.cz>
Date: Wed, 03 Dec 2025 23:34:10 +0100
From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@...nel.org>
To: Russell King <linux@...linux.org.uk>, Vladimir Zapolskiy <vz@...ia.com>, 
 Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>, 
 Aaro Koskinen <aaro.koskinen@....fi>, 
 Janusz Krzysztofik <jmkrzyszt@...il.com>, Tony Lindgren <tony@...mide.com>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Keguang Zhang <keguang.zhang@...il.com>, 
 Madhavan Srinivasan <maddy@...ux.ibm.com>, 
 Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
 "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>, 
 Yoshinori Sato <ysato@...rs.sourceforge.jp>, Rich Felker <dalias@...c.org>, 
 John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-omap@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, 
 linux-sh@...r.kernel.org, linux-sound@...r.kernel.org, 
 David Heidelberg <david@...t.cz>
Subject: [PATCH] ALSA: Do not build obsolete API

From: David Heidelberg <david@...t.cz>

ALSA 0.9.0-rc3 is from 2002, 23 years old.

Signed-off-by: David Heidelberg <david@...t.cz>
---
Maybe I could drop also the code and Kconfig option?

David
---
 arch/arm/configs/am200epdkit_defconfig    | 1 -
 arch/arm/configs/lpc32xx_defconfig        | 1 -
 arch/arm/configs/omap1_defconfig          | 1 -
 arch/arm/configs/tegra_defconfig          | 1 -
 arch/mips/configs/gcw0_defconfig          | 1 -
 arch/mips/configs/loongson1_defconfig     | 1 -
 arch/mips/configs/qi_lb60_defconfig       | 1 -
 arch/mips/configs/rbtx49xx_defconfig      | 1 -
 arch/mips/configs/rs90_defconfig          | 1 -
 arch/powerpc/configs/85xx-hw.config       | 1 -
 arch/powerpc/configs/86xx-hw.config       | 1 -
 arch/powerpc/configs/mpc5200_defconfig    | 1 -
 arch/powerpc/configs/ppc6xx_defconfig     | 1 -
 arch/sh/configs/edosk7760_defconfig       | 1 -
 arch/sh/configs/se7724_defconfig          | 1 -
 arch/sh/configs/sh7785lcr_32bit_defconfig | 1 -
 sound/core/Kconfig                        | 2 +-
 17 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/arch/arm/configs/am200epdkit_defconfig b/arch/arm/configs/am200epdkit_defconfig
index 134a559aba3dd..2367b1685c1cf 100644
--- a/arch/arm/configs/am200epdkit_defconfig
+++ b/arch/arm/configs/am200epdkit_defconfig
@@ -68,7 +68,6 @@ CONFIG_SOUND=m
 CONFIG_SND=m
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 CONFIG_SND_PXA2XX_AC97=m
 CONFIG_USB_GADGET=y
diff --git a/arch/arm/configs/lpc32xx_defconfig b/arch/arm/configs/lpc32xx_defconfig
index 2bddb0924a8c0..b9e2e603cd95e 100644
--- a/arch/arm/configs/lpc32xx_defconfig
+++ b/arch/arm/configs/lpc32xx_defconfig
@@ -113,7 +113,6 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 CONFIG_SND_DEBUG=y
 CONFIG_SND_DEBUG_VERBOSE=y
diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index dee820474f444..df88763fc7c3d 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -148,7 +148,6 @@ CONFIG_SOUND=y
 CONFIG_SND=y
 CONFIG_SND_MIXER_OSS=y
 CONFIG_SND_PCM_OSS=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 CONFIG_SND_DUMMY=y
 CONFIG_SND_USB_AUDIO=y
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
index ce70ff07c978a..68aedaf92667a 100644
--- a/arch/arm/configs/tegra_defconfig
+++ b/arch/arm/configs/tegra_defconfig
@@ -219,7 +219,6 @@ CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_LOGO=y
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_DRIVERS is not set
 CONFIG_SND_HDA_TEGRA=y
 CONFIG_SND_HDA_INPUT_BEEP=y
diff --git a/arch/mips/configs/gcw0_defconfig b/arch/mips/configs/gcw0_defconfig
index fda9971bdd8d9..adb9fd62ddb0d 100644
--- a/arch/mips/configs/gcw0_defconfig
+++ b/arch/mips/configs/gcw0_defconfig
@@ -79,7 +79,6 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_PROC_FS is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_SPI is not set
diff --git a/arch/mips/configs/loongson1_defconfig b/arch/mips/configs/loongson1_defconfig
index 02d29110f7024..1d9781ff96986 100644
--- a/arch/mips/configs/loongson1_defconfig
+++ b/arch/mips/configs/loongson1_defconfig
@@ -119,7 +119,6 @@ CONFIG_WATCHDOG_SYSFS=y
 CONFIG_LOONGSON1_WDT=y
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_MIPS is not set
 # CONFIG_SND_USB is not set
diff --git a/arch/mips/configs/qi_lb60_defconfig b/arch/mips/configs/qi_lb60_defconfig
index 5f5b0254d75e7..a1bb0792f6eb1 100644
--- a/arch/mips/configs/qi_lb60_defconfig
+++ b/arch/mips/configs/qi_lb60_defconfig
@@ -81,7 +81,6 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_CLUT224 is not set
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_SPI is not set
diff --git a/arch/mips/configs/rbtx49xx_defconfig b/arch/mips/configs/rbtx49xx_defconfig
index 03a7bbe28a532..49c709d663beb 100644
--- a/arch/mips/configs/rbtx49xx_defconfig
+++ b/arch/mips/configs/rbtx49xx_defconfig
@@ -53,7 +53,6 @@ CONFIG_TXX9_WDT=m
 # CONFIG_VGA_ARB is not set
 CONFIG_SOUND=m
 CONFIG_SND=m
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_PCI is not set
diff --git a/arch/mips/configs/rs90_defconfig b/arch/mips/configs/rs90_defconfig
index a53dd66e9b864..8382d535e6dc1 100644
--- a/arch/mips/configs/rs90_defconfig
+++ b/arch/mips/configs/rs90_defconfig
@@ -105,7 +105,6 @@ CONFIG_LOGO=y
 CONFIG_SOUND=y
 CONFIG_SND=y
 # CONFIG_SND_PCM_TIMER is not set
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_PROC_FS is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_MIPS is not set
diff --git a/arch/powerpc/configs/85xx-hw.config b/arch/powerpc/configs/85xx-hw.config
index 8aff832173977..2b19c20a9a2c4 100644
--- a/arch/powerpc/configs/85xx-hw.config
+++ b/arch/powerpc/configs/85xx-hw.config
@@ -117,7 +117,6 @@ CONFIG_SND_INTEL8X0=y
 CONFIG_SND_POWERPC_SOC=y
 # CONFIG_SND_PPC is not set
 CONFIG_SND_SOC=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_USB is not set
 CONFIG_SND=y
 CONFIG_SOUND=y
diff --git a/arch/powerpc/configs/86xx-hw.config b/arch/powerpc/configs/86xx-hw.config
index e7bd265fae5a4..07f30ab881e59 100644
--- a/arch/powerpc/configs/86xx-hw.config
+++ b/arch/powerpc/configs/86xx-hw.config
@@ -80,7 +80,6 @@ CONFIG_SERIO_LIBPS2=y
 CONFIG_SND_INTEL8X0=y
 CONFIG_SND_MIXER_OSS=y
 CONFIG_SND_PCM_OSS=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 CONFIG_SND=y
 CONFIG_SOUND=y
 CONFIG_ULI526X=y
diff --git a/arch/powerpc/configs/mpc5200_defconfig b/arch/powerpc/configs/mpc5200_defconfig
index c0fe5e76604a0..617650cea56a9 100644
--- a/arch/powerpc/configs/mpc5200_defconfig
+++ b/arch/powerpc/configs/mpc5200_defconfig
@@ -75,7 +75,6 @@ CONFIG_FB_SM501=m
 CONFIG_LOGO=y
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_PCI is not set
 # CONFIG_SND_PPC is not set
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index b082c1fae13c9..787d707f64a42 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -726,7 +726,6 @@ CONFIG_SND_OSSEMUL=y
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_DYNAMIC_MINORS=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 CONFIG_SND_VERBOSE_PRINTK=y
 CONFIG_SND_DEBUG=y
 CONFIG_SND_DEBUG_VERBOSE=y
diff --git a/arch/sh/configs/edosk7760_defconfig b/arch/sh/configs/edosk7760_defconfig
index abeae220606a3..905fac1072845 100644
--- a/arch/sh/configs/edosk7760_defconfig
+++ b/arch/sh/configs/edosk7760_defconfig
@@ -79,7 +79,6 @@ CONFIG_FB_TILEBLITTING=y
 CONFIG_FB_SH_MOBILE_LCDC=m
 CONFIG_SOUND=y
 CONFIG_SND=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 CONFIG_SND_VERBOSE_PRINTK=y
 CONFIG_SND_SOC=y
diff --git a/arch/sh/configs/se7724_defconfig b/arch/sh/configs/se7724_defconfig
index 9e3a54936f76f..8ca46d704c8ba 100644
--- a/arch/sh/configs/se7724_defconfig
+++ b/arch/sh/configs/se7724_defconfig
@@ -83,7 +83,6 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_SOUND=y
 CONFIG_SND=m
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_SPI is not set
 # CONFIG_SND_SUPERH is not set
diff --git a/arch/sh/configs/sh7785lcr_32bit_defconfig b/arch/sh/configs/sh7785lcr_32bit_defconfig
index eb63aa61b0465..5468cc53cddb4 100644
--- a/arch/sh/configs/sh7785lcr_32bit_defconfig
+++ b/arch/sh/configs/sh7785lcr_32bit_defconfig
@@ -93,7 +93,6 @@ CONFIG_SND_PCM_OSS=y
 CONFIG_SND_SEQUENCER_OSS=y
 CONFIG_SND_HRTIMER=y
 CONFIG_SND_DYNAMIC_MINORS=y
-# CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 CONFIG_SND_VERBOSE_PRINTK=y
 CONFIG_SND_DEBUG=y
diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 48db44fa56feb..4e7bc370ffd7f 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -155,7 +155,7 @@ config SND_MAX_CARDS
 
 config SND_SUPPORT_OLD_API
 	bool "Support old ALSA API"
-	default y
+	default n
 	help
 	  Say Y here to support the obsolete ALSA PCM API (ver.0.9.0 rc3
 	  or older).

---
base-commit: b2c27842ba853508b0da00187a7508eb3a96c8f7
change-id: 20251203-old-alsa-fa2c2cb038e1

Best regards,
-- 
David Heidelberg <david@...t.cz>



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