drivers: most: add ALSA sound driver

This patch moves the ALSA sound driver out of the staging area and adds it
to the stable part of the MOST driver. Modifications to the Makefiles and
Kconfigs are done accordingly to not break the build.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1612865627-29950-1-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/most/Kconfig

@@ -32,4 +32,14 @@ config MOST_CDEV
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called most_cdev.
+
+config MOST_SND
+	tristate "Sound"
+	depends on SND
+	select SND_PCM
+	help
+	  Say Y here if you want to commumicate via ALSA/sound devices.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called most_sound.
 endif

drivers/most/Makefile

@@ -5,3 +5,4 @@ most_core-y :=	core.o \
 
 obj-$(CONFIG_MOST_USB_HDM) += most_usb.o
 obj-$(CONFIG_MOST_CDEV) += most_cdev.o
+obj-$(CONFIG_MOST_SND) += most_snd.o

drivers/staging/most/Kconfig

@@ -20,8 +20,6 @@ if MOST_COMPONENTS
 
 source "drivers/staging/most/net/Kconfig"
 
-source "drivers/staging/most/sound/Kconfig"
-
 source "drivers/staging/most/video/Kconfig"
 
 source "drivers/staging/most/dim2/Kconfig"

drivers/staging/most/Makefile

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_MOST_NET)	+= net/
-obj-$(CONFIG_MOST_SOUND)	+= sound/
 obj-$(CONFIG_MOST_VIDEO)	+= video/
 obj-$(CONFIG_MOST_DIM2)	+= dim2/
 obj-$(CONFIG_MOST_I2C)	+= i2c/

drivers/staging/most/sound/Kconfig

@@ -1,14 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# MOST ALSA configuration
-#
-
-config MOST_SOUND
-	tristate "Sound"
-	depends on SND
-	select SND_PCM
-	help
-	  Say Y here if you want to commumicate via ALSA/sound devices.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called most_sound.

drivers/staging/most/sound/Makefile

@@ -1,4 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_MOST_SOUND) += most_sound.o
-
-most_sound-objs := sound.o