diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto-3.14/h3600/0004-fb-backlight-add-driver-for-iPAQ-micro-backlight.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto-3.14/h3600/0004-fb-backlight-add-driver-for-iPAQ-micro-backlight.patch | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/recipes-kernel/linux/linux-yocto-3.14/h3600/0004-fb-backlight-add-driver-for-iPAQ-micro-backlight.patch b/recipes-kernel/linux/linux-yocto-3.14/h3600/0004-fb-backlight-add-driver-for-iPAQ-micro-backlight.patch deleted file mode 100644 index 2c81a9b..0000000 --- a/recipes-kernel/linux/linux-yocto-3.14/h3600/0004-fb-backlight-add-driver-for-iPAQ-micro-backlight.patch +++ /dev/null @@ -1,147 +0,0 @@ -From 2444e6fcd6c313e3cfdee58d692fe88a4bbc8fb8 Mon Sep 17 00:00:00 2001 -From: Linus Walleij <linus.walleij@linaro.org> -Date: Fri, 8 Nov 2013 10:09:13 +0100 -Subject: [PATCH 4/7] fb: backlight: add driver for iPAQ micro backlight - -This adds a driver for the backlight controlled by the microcontroller -on the Compaq iPAQ series of handheld computers: h3100, h3600 -and h3700. - -Signed-off-by: Linus Walleij <linus.walleij@linaro.org> ---- - drivers/video/backlight/Kconfig | 9 ++++ - drivers/video/backlight/Makefile | 1 + - drivers/video/backlight/ipaq_micro_bl.c | 89 +++++++++++++++++++++++++++++++++ - 3 files changed, 99 insertions(+) - create mode 100644 drivers/video/backlight/ipaq_micro_bl.c - -diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig -index 5a3eb2ecb525..ed2d61062907 100644 ---- a/drivers/video/backlight/Kconfig -+++ b/drivers/video/backlight/Kconfig -@@ -207,6 +207,15 @@ config BACKLIGHT_GENERIC - known as the Corgi backlight driver. If you have a Sharp Zaurus - SL-C7xx, SL-Cxx00 or SL-6000x say y. - -+config BACKLIGHT_IPAQ_MICRO -+ tristate "iPAQ microcontroller backlight driver" -+ depends on MFD_IPAQ_MICRO -+ default y -+ help -+ Say y to enable the backlight driver for Compaq iPAQ handheld -+ computers. Say yes if you have one of the h3100/h3600/h3700 -+ machines. -+ - config BACKLIGHT_LM3533 - tristate "Backlight Driver for LM3533" - depends on BACKLIGHT_CLASS_DEVICE -diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile -index bb820024f346..a9ea34a39cad 100644 ---- a/drivers/video/backlight/Makefile -+++ b/drivers/video/backlight/Makefile -@@ -36,6 +36,7 @@ obj-$(CONFIG_BACKLIGHT_GENERIC) += generic_bl.o - obj-$(CONFIG_BACKLIGHT_GPIO) += gpio_backlight.o - obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o - obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o -+obj-$(CONFIG_BACKLIGHT_IPAQ_MICRO) += ipaq_micro_bl.o - obj-$(CONFIG_BACKLIGHT_LM3533) += lm3533_bl.o - obj-$(CONFIG_BACKLIGHT_LM3630A) += lm3630a_bl.o - obj-$(CONFIG_BACKLIGHT_LM3639) += lm3639_bl.o -diff --git a/drivers/video/backlight/ipaq_micro_bl.c b/drivers/video/backlight/ipaq_micro_bl.c -new file mode 100644 -index 000000000000..b7ec8c453b61 ---- /dev/null -+++ b/drivers/video/backlight/ipaq_micro_bl.c -@@ -0,0 +1,89 @@ -+/* -+ * 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. -+ * -+ * iPAQ microcontroller backlight support -+ * Author : Linus Walleij <linus.walleij@linaro.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/platform_device.h> -+#include <linux/backlight.h> -+#include <linux/mfd/ipaq-micro.h> -+#include <linux/fb.h> -+#include <linux/err.h> -+ -+static int micro_bl_update_status(struct backlight_device *bd) -+{ -+ struct ipaq_micro *micro = dev_get_drvdata(&bd->dev); -+ int intensity = bd->props.brightness; -+ struct ipaq_micro_msg msg = { -+ .id = MSG_BACKLIGHT, -+ .tx_len = 3, -+ }; -+ -+ if (bd->props.power != FB_BLANK_UNBLANK) -+ intensity = 0; -+ if (bd->props.state & BL_CORE_FBBLANK) -+ intensity = 0; -+ if (bd->props.state & BL_CORE_SUSPENDED) -+ intensity = 0; -+ -+ msg.tx_data[0] = 0x01; -+ msg.tx_data[1] = intensity > 0 ? 1 : 0; -+ msg.tx_data[2] = intensity; -+ return ipaq_micro_tx_msg_sync(micro, &msg); -+} -+ -+static const struct backlight_ops micro_bl_ops = { -+ .options = BL_CORE_SUSPENDRESUME, -+ .update_status = micro_bl_update_status, -+}; -+ -+static struct backlight_properties micro_bl_props = { -+ .type = BACKLIGHT_RAW, -+ .max_brightness = 255, -+ .power = FB_BLANK_UNBLANK, -+ .brightness = 64, -+}; -+ -+static int micro_backlight_probe(struct platform_device *pdev) -+{ -+ struct backlight_device *bd; -+ struct ipaq_micro *micro = dev_get_drvdata(pdev->dev.parent); -+ -+ bd = devm_backlight_device_register( -+ &pdev->dev, -+ "ipaq-micro-backlight", -+ &pdev->dev, -+ micro, -+ µ_bl_ops, -+ µ_bl_props); -+ if (IS_ERR(bd)) -+ return PTR_ERR(bd); -+ platform_set_drvdata(pdev, bd); -+ backlight_update_status(bd); -+ dev_info(&pdev->dev, "iPAQ micro backlight driver\n"); -+ -+ return 0; -+} -+ -+static int micro_backlight_remove(struct platform_device *pdev) -+{ -+ return 0; -+} -+ -+struct platform_driver micro_backlight_device_driver = { -+ .driver = { -+ .name = "ipaq-micro-backlight", -+ }, -+ .probe = micro_backlight_probe, -+ .remove = micro_backlight_remove, -+}; -+module_platform_driver(micro_backlight_device_driver); -+ -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("driver for iPAQ Atmel micro backlight"); -+MODULE_ALIAS("platform:ipaq-micro-backlight"); --- -1.9.0 - |