ASoC: SOF: i.MX: simplify Kconfig

Follow the Intel example and simplify the Kconfig
a) start from the end-product for 'select' chains
b) use 'depends on' to filter out configurations.
c) use snd-sof-of as a common module without any 'select'
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20211116124131.46414-1-daniel.baluta@oss.nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/Kconfig

@@ -40,12 +40,14 @@ config SND_SOC_SOF_ACPI_DEV
 config SND_SOC_SOF_OF
 	tristate "SOF OF enumeration support"
 	depends on OF || COMPILE_TEST
-	select SND_SOC_SOF
 	help
 	  This adds support for Device Tree enumeration. This option is
 	  required to enable i.MX8 devices.
 	  Say Y if you need this option. If unsure select "N".
 
+config SND_SOC_SOF_OF_DEV
+	tristate
+
 config SND_SOC_SOF_COMPRESS
 	bool
 	select SND_SOC_COMPRESS

sound/soc/sof/Makefile

@@ -17,7 +17,7 @@ obj-$(CONFIG_SND_SOC_SOF_NOCODEC) += snd-sof-nocodec.o
 
 
 obj-$(CONFIG_SND_SOC_SOF_ACPI_DEV) += snd-sof-acpi.o
-obj-$(CONFIG_SND_SOC_SOF_OF) += snd-sof-of.o
+obj-$(CONFIG_SND_SOC_SOF_OF_DEV) += snd-sof-of.o
 obj-$(CONFIG_SND_SOC_SOF_PCI_DEV) += snd-sof-pci.o
 
 obj-$(CONFIG_SND_SOC_SOF_INTEL_TOPLEVEL) += intel/

sound/soc/sof/imx/Kconfig

@@ -11,53 +11,33 @@ config SND_SOC_SOF_IMX_TOPLEVEL
 
 if SND_SOC_SOF_IMX_TOPLEVEL
 
-config SND_SOC_SOF_IMX_OF
-	def_tristate SND_SOC_SOF_OF
-	select SND_SOC_SOF_IMX8 if SND_SOC_SOF_IMX8_SUPPORT
-	select SND_SOC_SOF_IMX8M if SND_SOC_SOF_IMX8M_SUPPORT
-	help
-	  This option is not user-selectable but automagically handled by
-	  'select' statements at a higher level.
-
 config SND_SOC_SOF_IMX_COMMON
 	tristate
+	select SND_SOC_SOF_OF_DEV
+	select SND_SOC_SOF
+	select SND_SOC_SOF_XTENSA
+	select SND_SOC_SOF_COMPRESS
 	help
 	  This option is not user-selectable but automagically handled by
 	  'select' statements at a higher level.
 
-config SND_SOC_SOF_IMX8_SUPPORT
-	bool "SOF support for i.MX8"
-	depends on IMX_SCU=y || IMX_SCU=SND_SOC_SOF_IMX_OF
-	depends on IMX_DSP=y || IMX_DSP=SND_SOC_SOF_IMX_OF
+config SND_SOC_SOF_IMX8
+	tristate "SOF support for i.MX8"
+	depends on IMX_SCU
+	depends on IMX_DSP
+	select SND_SOC_SOF_IMX_COMMON
 	help
 	  This adds support for Sound Open Firmware for NXP i.MX8 platforms.
 	  Say Y if you have such a device.
 	  If unsure select "N".
 
-config SND_SOC_SOF_IMX8
-	tristate
+config SND_SOC_SOF_IMX8M
+	tristate "SOF support for i.MX8M"
+	depends on IMX_DSP
 	select SND_SOC_SOF_IMX_COMMON
-	select SND_SOC_SOF_XTENSA
-	select SND_SOC_SOF_COMPRESS
-	help
-	  This option is not user-selectable but automagically handled by
-	  'select' statements at a higher level.
-
-config SND_SOC_SOF_IMX8M_SUPPORT
-	bool "SOF support for i.MX8M"
-	depends on IMX_DSP=y || IMX_DSP=SND_SOC_SOF_OF
 	help
 	  This adds support for Sound Open Firmware for NXP i.MX8M platforms.
 	  Say Y if you have such a device.
 	  If unsure select "N".
 
-config SND_SOC_SOF_IMX8M
-	tristate
-	select SND_SOC_SOF_IMX_COMMON
-	select SND_SOC_SOF_XTENSA
-	select SND_SOC_SOF_COMPRESS
-	help
-	  This option is not user-selectable but automagically handled by
-	  'select' statements at a higher level.
-
-endif ## SND_SOC_SOF_IMX_IMX_TOPLEVEL
+endif ## SND_SOC_SOF_IMX_TOPLEVEL