dab5a44067
n As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
144 lines
2.7 KiB
Diff
144 lines
2.7 KiB
Diff
From 27b7e48055d8d31d8a03dbe7d8d4fccbc3ad7f31 Mon Sep 17 00:00:00 2001
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From: gtrainavicius <gtrainavicius@users.noreply.github.com>
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Date: Sat, 10 Dec 2016 16:05:25 +0200
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Subject: [PATCH] Pisound dynamic overlay (#1760)
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Restructuring pisound-overlay.dts, so it can be loaded and unloaded dynamically using dtoverlay.
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Print a logline when the kernel module is removed.
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---
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arch/arm/boot/dts/overlays/pisound-overlay.dts | 94 ++++++++++++++------------
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sound/soc/bcm/pisound.c | 2 +
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2 files changed, 52 insertions(+), 44 deletions(-)
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--- a/arch/arm/boot/dts/overlays/pisound-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pisound-overlay.dts
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@@ -26,6 +26,54 @@
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compatible = "brcm,bcm2708";
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fragment@0 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&spidev0>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spidev1>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ pisound_spi: pisound_spi@0{
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+ compatible = "blokaslabs,pisound-spi";
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+ reg = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&spi0_pins>;
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+ spi-max-frequency = <1000000>;
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+ };
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+ };
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+ };
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+
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+ fragment@4 {
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+ target-path = "/";
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+ __overlay__ {
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+ pcm5102a-codec {
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+ #sound-dai-cells = <0>;
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+ compatible = "ti,pcm5102a";
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+ status = "okay";
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+ };
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+ };
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+ };
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+
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+ fragment@5 {
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target = <&sound>;
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__overlay__ {
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compatible = "blokaslabs,pisound";
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@@ -49,7 +97,7 @@
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};
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};
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- fragment@1 {
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+ fragment@6 {
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target = <&gpio>;
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__overlay__ {
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pinctrl-names = "default";
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@@ -63,52 +111,10 @@
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};
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};
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- fragment@2 {
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+ fragment@7 {
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target = <&i2s>;
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__overlay__ {
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status = "okay";
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};
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};
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-
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- fragment@3 {
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- target-path = "/";
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- __overlay__ {
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- pcm5102a-codec {
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- #sound-dai-cells = <0>;
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- compatible = "ti,pcm5102a";
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- status = "okay";
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- };
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- };
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- };
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-
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- fragment@4 {
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- target = <&spi0>;
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- __overlay__ {
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- status = "okay";
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-
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- spidev@0{
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- status = "disabled";
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- };
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-
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- spidev@1{
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- status = "okay";
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- };
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- };
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- };
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-
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- fragment@5 {
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- target = <&spi0>;
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- __overlay__ {
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- #address-cells = <1>;
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- #size-cells = <0>;
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-
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- pisound_spi: pisound_spi@0{
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- compatible = "blokaslabs,pisound-spi";
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- reg = <0>;
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- pinctrl-names = "default";
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- pinctrl-0 = <&spi0_pins>;
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- spi-max-frequency = <1000000>;
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- };
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- };
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- };
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};
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--- a/sound/soc/bcm/pisound.c
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+++ b/sound/soc/bcm/pisound.c
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@@ -954,6 +954,8 @@ static int pisnd_probe(struct platform_d
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static int pisnd_remove(struct platform_device *pdev)
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{
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+ printi("Unloading.\n");
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+
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if (pisnd_kobj) {
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kobject_put(pisnd_kobj);
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pisnd_kobj = NULL;
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