ASoC: Intel: Fix nested/unnecessary Kconfig dependencies

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. 0-day and explicit randconfig tests did not report
additional issues and no functionality loss was observed in Intel tests on
HIFI2 and SKYLAKE platforms

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig
index 01b75df..ca0d6eb 100644 (file)
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -27,8 +27,6 @@ config SND_SST_IPC_PCI
 config SND_SST_IPC_ACPI
        tristate
        select SND_SST_IPC
-       select SND_SOC_INTEL_SST
-       select IOSF_MBI
        # This option controls the ACPI-based IPC for HiFi2 platforms
        # (Baytrail, Cherrytrail)
 
@@ -40,7 +38,6 @@ 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
@@ -54,6 +51,7 @@ config SND_SOC_INTEL_HASWELL
        depends on SND_DMA_SGBUF
        depends on DMADEVICES && ACPI
        select SND_SOC_INTEL_SST
+       select SND_SOC_INTEL_SST_ACPI
        select SND_SOC_INTEL_SST_FIRMWARE
        select SND_SOC_ACPI_INTEL_MATCH
        help
@@ -65,6 +63,7 @@ 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_ACPI_INTEL_MATCH
        help
@@ -93,6 +92,7 @@ config SND_SST_ATOM_HIFI2_PLATFORM
        select SND_SST_IPC_ACPI
        select SND_SOC_COMPRESS
        select SND_SOC_ACPI_INTEL_MATCH
+       select IOSF_MBI
        help
          If you have a Intel Baytrail or Cherrytrail platform with an I2S
          codec, then enable this option by saying Y or m. This is a