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drm: xlnx: zynqmp_dpsub: fix Kconfig dependencies for ASoC

Message ID 20250227132036.1136600-1-arnd@kernel.org (mailing list archive)
State New
Headers show
Series drm: xlnx: zynqmp_dpsub: fix Kconfig dependencies for ASoC | expand

Commit Message

Arnd Bergmann Feb. 27, 2025, 1:20 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

The new audio code fails to build when sounds support is in a loadable
module but the GPU driver is built-in:

x86_64-linux-ld: zynqmp_dp_audio.c:(.text+0x6a8): undefined reference to `devm_snd_soc_register_card'
x86_64-linux-ld: drivers/gpu/drm/xlnx/zynqmp_dp_audio.o:(.rodata+0x1bc): undefined reference to `snd_soc_info_volsw'
x86_64-linux-ld: drivers/gpu/drm/xlnx/zynqmp_dp_audio.o:(.rodata+0x1f0): undefined reference to `snd_soc_get_volsw'
x86_64-linux-ld: drivers/gpu/drm/xlnx/zynqmp_dp_audio.o:(.rodata+0x1f4): undefined reference to `snd_soc_put_volsw'

Change the Kconfig dependency to disallow the sound support in this
configuration.

Fixes: 3ec5c1579305 ("drm: xlnx: zynqmp_dpsub: Add DP audio support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/gpu/drm/xlnx/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/gpu/drm/xlnx/Kconfig b/drivers/gpu/drm/xlnx/Kconfig
index dbecca9bdd54..cfabf5e2a0bb 100644
--- a/drivers/gpu/drm/xlnx/Kconfig
+++ b/drivers/gpu/drm/xlnx/Kconfig
@@ -22,6 +22,7 @@  config DRM_ZYNQMP_DPSUB_AUDIO
 	bool "ZynqMP DisplayPort Audio Support"
 	depends on DRM_ZYNQMP_DPSUB
 	depends on SND && SND_SOC
+	depends on SND_SOC=y || DRM_ZYNQMP_DPSUB=m
 	select SND_SOC_GENERIC_DMAENGINE_PCM
 	help
 	  Choose this option to enable DisplayPort audio support in the ZynqMP