Subject: [PATCH 6/7] misdn: dsp: select CONFIG_BITREVERSE

From: Arnd Bergmann <[email-masked]>
Date: Sun, 3 Jan 2021 22:36:22 +0100

From: Arnd Bergmann <[email-masked]>

Without this, we run into a link error

arm-linux-gnueabi-ld: drivers/isdn/mISDN/dsp_audio.o: in function `dsp_audio_generate_law_tables':
(.text+0x30c): undefined reference to `byte_rev_table'
arm-linux-gnueabi-ld: drivers/isdn/mISDN/dsp_audio.o:(.text+0x5e4): more undefined references to `byte_rev_table' follow

Signed-off-by: Arnd Bergmann <[email-masked]>
---
 drivers/isdn/mISDN/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/isdn/mISDN/Kconfig b/drivers/isdn/mISDN/Kconfig
index 26cf0ac9c4ad..c9a53c222472 100644
--- a/drivers/isdn/mISDN/Kconfig
+++ b/drivers/isdn/mISDN/Kconfig
@@ -13,6 +13,7 @@ if MISDN != n
 config MISDN_DSP
 	tristate "Digital Audio Processing of transparent data"
 	depends on MISDN
+	select BITREVERSE
 	help
 	  Enable support for digital audio processing capability.
 
-- 
2.29.2