ALSA: es1968: add radio (tea575x tuner) support

Add TEA5757 radio tuner support to es1968 driver. This is found at least on
MediaForte SF64-PCE2 sound cards.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 389cd79..f9f533f 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -534,6 +534,14 @@
 	  If you say N the buttons will directly control the master volume.
 	  It is recommended to say Y.
 
+config SND_ES1968_RADIO
+	bool "Enable TEA5757 radio tuner support for es1968"
+	depends on SND_ES1968
+	depends on VIDEO_V4L2=y || VIDEO_V4L2=SND_ES1968
+	help
+	  Say Y here to include support for TEA5757 radio tuner integrated on
+	  some MediaForte cards (e.g. SF64-PCE2).
+
 config SND_FM801
 	tristate "ForteMedia FM801"
 	select SND_OPL3_LIB
@@ -555,10 +563,10 @@
 	  FM801 chip with a TEA5757 tuner connected to GPIO1-3 pins (Media
 	  Forte SF256-PCS-02) into the snd-fm801 driver.
 
-config SND_FM801_TEA575X
+config SND_TEA575X
 	tristate
-	depends on SND_FM801_TEA575X_BOOL
-	default SND_FM801
+	depends on SND_FM801_TEA575X_BOOL || SND_ES1968_RADIO
+	default SND_FM801 || SND_ES1968
 
 source "sound/pci/hda/Kconfig"