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Subject[RFC PATCH 4/7] ASoC: Intel: Fix nested/unnecessary Kconfig dependencies
Date
This patch fixes a number of issues:
1. IOSF_MBI is only needed for byt-cr detection, which is only supported
on Baytrail/Cherrytrail, move to HiFi2 config

2. SND_SOC_INTEL_SST should not select SND_SOC_INTEL_SST_ACPI, the latter
config is only valid for Haswell/Baytrail legacy but not needed by Skylake

3. SND_SST_IPC_ACPI, used only by the atom/sst driver, should not select
SND_SOC_INTEL_SST, none of the code under common/sst*.c is used

This nesting of configs really makes no sense, it's easier to maintain
if for each platform one can control what is strictly required.

Compiled-tested with each of Haswell, Baytrail legacy, HiFi2, SKL cases
selected independently, no obvious issue detected but this needs to
be validated for functionality and may expose randconfig issues

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
sound/soc/intel/Kconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig
index 136426d60da0..dee731d42634 100644
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -28,8 +28,6 @@ config SND_SST_IPC_PCI
config SND_SST_IPC_ACPI
tristate
select SND_SST_IPC
- select SND_SOC_INTEL_SST
- select IOSF_MBI
help
This option controls the ACPI-based IPC for HiFi2 platforms
(Baytrail, Cherrytrail)
@@ -42,7 +40,6 @@ config SND_SOC_INTEL_SST_ACPI

config SND_SOC_INTEL_SST
tristate
- select SND_SOC_INTEL_SST_ACPI if ACPI

config SND_SOC_INTEL_SST_FIRMWARE
tristate
@@ -56,6 +53,7 @@ config SND_SOC_INTEL_HASWELL
depends on SND_DMA_SGBUF && ACPI
depends on DMADEVICES
select SND_SOC_INTEL_SST
+ select SND_SOC_INTEL_SST_ACPI
select SND_SOC_INTEL_SST_FIRMWARE
select SND_SOC_INTEL_COMMON

@@ -63,6 +61,7 @@ config SND_SOC_INTEL_BAYTRAIL
tristate "Intel ASoC SST driver for Baytrail (legacy)"
depends on DMADEVICES && ACPI
select SND_SOC_INTEL_SST
+ select SND_SOC_INTEL_SST_ACPI
select SND_SOC_INTEL_SST_FIRMWARE
select SND_SOC_INTEL_COMMON

@@ -77,6 +76,7 @@ config SND_SST_ATOM_HIFI2_PLATFORM
tristate "Intel ASoC SST driver for ACPI HiFi2 platforms (Baytrail, Cherrytrail)"
depends on X86 && ACPI
select SND_SST_IPC_ACPI
+ select IOSF_MBI
select SND_SOC_COMPRESS
select SND_SOC_INTEL_COMMON

--
2.14.1
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