1 files changed, 151 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0562-Pisound-dynamic-overlay-1760.patch b/target/linux/brcm2708/patches-4.4/0562-Pisound-dynamic-overlay-1760.patch
new file mode 100644
index 0000000..b1aa05f
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0562-Pisound-dynamic-overlay-1760.patch
@@ -0,0 +1,151 @@
+From cdf6acdd6a6270538b0fdd08e79986d4a553062a Mon Sep 17 00:00:00 2001
+From: gtrainavicius <gtrainavicius@users.noreply.github.com>
+Date: Sat, 10 Dec 2016 16:05:25 +0200
+Subject: [PATCH] Pisound dynamic overlay (#1760)
+
+Restructuring pisound-overlay.dts, so it can be loaded and unloaded dynamically using dtoverlay.
+
+Print a logline when the kernel module is removed.
+---
+ arch/arm/boot/dts/overlays/pisound-overlay.dts | 94 ++++++++++++++------------
+ sound/soc/bcm/pisound.c                        |  2 +
+ 2 files changed, 52 insertions(+), 44 deletions(-)
+
+diff --git a/arch/arm/boot/dts/overlays/pisound-overlay.dts b/arch/arm/boot/dts/overlays/pisound-overlay.dts
+index 7cdfc29..5197e65 100644
+--- a/arch/arm/boot/dts/overlays/pisound-overlay.dts
++++ b/arch/arm/boot/dts/overlays/pisound-overlay.dts
+@@ -26,6 +26,54 @@
+ 	compatible = "brcm,bcm2708";
+ 
+ 	fragment@0 {
++		target = <&spi0>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++
++	fragment@1 {
++		target = <&spidev0>;
++		__overlay__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@2 {
++		target = <&spidev1>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++
++	fragment@3 {
++		target = <&spi0>;
++		__overlay__ {
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			pisound_spi: pisound_spi@0{
++				compatible = "blokaslabs,pisound-spi";
++				reg = <0>;
++				pinctrl-names = "default";
++				pinctrl-0 = <&spi0_pins>;
++				spi-max-frequency = <1000000>;
++			};
++		};
++	};
++
++	fragment@4 {
++		target-path = "/";
++		__overlay__ {
++			pcm5102a-codec {
++				#sound-dai-cells = <0>;
++				compatible = "ti,pcm5102a";
++				status = "okay";
++			};
++		};
++	};
++
++	fragment@5 {
+ 		target = <&sound>;
+ 		__overlay__ {
+ 			compatible = "blokaslabs,pisound";
+@@ -49,7 +97,7 @@
+ 		};
+ 	};
+ 
+-	fragment@1 {
++	fragment@6 {
+ 		target = <&gpio>;
+ 		__overlay__ {
+ 			pinctrl-names = "default";
+@@ -63,52 +111,10 @@
+ 		};
+ 	};
+ 
+-	fragment@2 {
++	fragment@7 {
+ 		target = <&i2s>;
+ 		__overlay__ {
+ 			status = "okay";
+ 		};
+ 	};
+-
+-	fragment@3 {
+-		target-path = "/";
+-		__overlay__ {
+-			pcm5102a-codec {
+-				#sound-dai-cells = <0>;
+-				compatible = "ti,pcm5102a";
+-				status = "okay";
+-			};
+-		};
+-	};
+-
+-	fragment@4 {
+-		target = <&spi0>;
+-		__overlay__ {
+-			status = "okay";
+-
+-			spidev@0{
+-				status = "disabled";
+-			};
+-
+-			spidev@1{
+-				status = "okay";
+-			};
+-		};
+-	};
+-
+-	fragment@5 {
+-		target = <&spi0>;
+-		__overlay__ {
+-			#address-cells = <1>;
+-			#size-cells = <0>;
+-
+-			pisound_spi: pisound_spi@0{
+-				compatible = "blokaslabs,pisound-spi";
+-				reg = <0>;
+-				pinctrl-names = "default";
+-				pinctrl-0 = <&spi0_pins>;
+-				spi-max-frequency = <1000000>;
+-			};
+-		};
+-	};
+ };
+diff --git a/sound/soc/bcm/pisound.c b/sound/soc/bcm/pisound.c
+index a3cd089..30903fcf 100644
+--- a/sound/soc/bcm/pisound.c
++++ b/sound/soc/bcm/pisound.c
+@@ -954,6 +954,8 @@ static int pisnd_probe(struct platform_device *pdev)
+ 
+ static int pisnd_remove(struct platform_device *pdev)
+ {
++	printi("Unloading.\n");
++
+ 	if (pisnd_kobj) {
+ 		kobject_put(pisnd_kobj);
+ 		pisnd_kobj = NULL;
+-- 
+2.1.4
+