linux-kernel - [RFC 11/13] gpio-switch is for some reason neccessary for camera to work.

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Message-ID: <20170214134019.GA8631@amd>
Date:   Tue, 14 Feb 2017 14:40:19 +0100
From:   Pavel Machek <pavel@....cz>
To:     sakari.ailus@....fi
Cc:     sre@...nel.org, pali.rohar@...il.com, pavel@....cz,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        laurent.pinchart@...asonboard.com, mchehab@...nel.org,
        ivo.g.dimitrov.75@...il.com
Subject: [RFC 11/13] gpio-switch is for some reason neccessary for camera to
 work.

Probably something fun happening in userspace.
---
 arch/arm/mach-omap2/Makefile                 |  1 +
 arch/arm/mach-omap2/board-rx51-peripherals.c | 51 ++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 arch/arm/mach-omap2/board-rx51-peripherals.c

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4698940..d536b1a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -229,6 +229,7 @@ obj-$(CONFIG_SOC_OMAP2420)		+= msdi.o
 # Specific board support
 obj-$(CONFIG_MACH_OMAP_GENERIC)		+= board-generic.o pdata-quirks.o
 obj-$(CONFIG_MACH_NOKIA_N8X0)		+= board-n8x0.o
+obj-y					+= board-rx51-peripherals.o
 
 # Platform specific device init code
 
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
new file mode 100644
index 0000000..641c2be
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -0,0 +1,51 @@
+/*
+ * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
+ *
+ * Copyright (C) 2008-2009 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio/machine.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/timer.h>
+
+static struct platform_driver gpio_sw_driver = {
+	.driver		= {
+		.name	= "gpio-switch",
+	},
+};
+
+static int __init gpio_sw_init(void)
+{
+	int r;
+
+	printk(KERN_INFO "OMAP GPIO switch handler initializing\n");
+
+	r = platform_driver_register(&gpio_sw_driver);
+	if (r)
+		return r;
+
+	platform_device_register_simple("gpio-switch",
+							       -1, NULL, 0);
+	return 0;
+}
+
+static void __exit gpio_sw_exit(void)
+{
+}
+
+#ifndef MODULE
+late_initcall(gpio_sw_init);
+#else
+module_init(gpio_sw_init);
+#endif
+module_exit(gpio_sw_exit);
-- 
2.1.4


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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