[PATCH] ASoC: skl: always select SND_SOC_HDAC_HDA

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The skylake sound support is written to work both with or without
CONFIG_SND_SOC_HDAC_HDA, and uses an #ifdef to decide whether it should
link against that. However, this fails with SND_SOC_ALL_CODECS=m or
SND_SOC_INTEL_SKL_HDA_DSP_GENERIC_MACH=m when the Skylake support itself
is built-in, with this link error:

sound/soc/intel/skylake/skl.o: In function `skl_probe':
skl.c:(.text+0x56c): undefined reference to `snd_soc_hdac_hda_get_ops'

Using an explicit 'select' here simplifies the logic and prevents
it from happening, at the cost of always including the compile
time dependency.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 sound/soc/intel/Kconfig       | 1 +
 sound/soc/intel/skylake/skl.c | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig
index 0caa1f4eb94d..c21ce7624af1 100644
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -109,6 +109,7 @@ config SND_SOC_INTEL_SKYLAKE
 	depends on PCI && ACPI
 	select SND_HDA_EXT_CORE
 	select SND_HDA_DSP_LOADER
+	select SND_SOC_HDAC_HDA
 	select SND_SOC_TOPOLOGY
 	select SND_SOC_INTEL_SST
 	select SND_SOC_ACPI_INTEL_MATCH
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 29225623b4b4..1069ee265ce5 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -870,9 +870,7 @@ static int skl_create(struct pci_dev *pci,
 	hbus = skl_to_hbus(skl);
 	bus = skl_to_bus(skl);
 
-#if IS_ENABLED(CONFIG_SND_SOC_HDAC_HDA)
 	ext_ops = snd_soc_hdac_hda_get_ops();
-#endif
 	snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops, ext_ops);
 	bus->use_posbuf = 1;
 	skl->pci = pci;
-- 
2.18.0

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