ASoC: Intel: document what Kconfig options do

Document in comments what the options are supposed to mean, before
clean-up in next patch.

No functionality change here.

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 1637457..01b75df 100644 (file)
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -16,16 +16,27 @@ if SND_SOC_INTEL_SST_TOPLEVEL
 
 config SND_SST_IPC
        tristate
+       # This option controls the IPC core for HiFi2 platforms
 
 config SND_SST_IPC_PCI
        tristate
        select SND_SST_IPC
+       # This option controls the PCI-based IPC for HiFi2 platforms
+       #  (Medfield, Merrifield).
 
 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)
+
+config SND_SOC_INTEL_SST_ACPI
+       tristate
+       # This option controls ACPI-based probing on
+       # Haswell/Broadwell/Baytrail legacy and will be set
+       # when these platforms are enabled
 
 config SND_SOC_INTEL_SST
        tristate
@@ -34,9 +45,9 @@ config SND_SOC_INTEL_SST
 config SND_SOC_INTEL_SST_FIRMWARE
        tristate
        select DW_DMAC_CORE
-
-config SND_SOC_INTEL_SST_ACPI
-       tristate
+       # This option controls firmware download on
+       # Haswell/Broadwell/Baytrail legacy and will be set
+       # when these platforms are enabled
 
 config SND_SOC_INTEL_HASWELL
        tristate "Intel ASoC SST driver for Haswell/Broadwell"