diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto-3.14/h3600/0006-leds-add-driver-for-the-iPAQ-micro.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto-3.14/h3600/0006-leds-add-driver-for-the-iPAQ-micro.patch | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/recipes-kernel/linux/linux-yocto-3.14/h3600/0006-leds-add-driver-for-the-iPAQ-micro.patch b/recipes-kernel/linux/linux-yocto-3.14/h3600/0006-leds-add-driver-for-the-iPAQ-micro.patch deleted file mode 100644 index 212d366..0000000 --- a/recipes-kernel/linux/linux-yocto-3.14/h3600/0006-leds-add-driver-for-the-iPAQ-micro.patch +++ /dev/null @@ -1,193 +0,0 @@ -From b4c8a1cdfbbaf615a6d9da3e46f1b788fc0f1568 Mon Sep 17 00:00:00 2001 -From: Linus Walleij <linus.walleij@linaro.org> -Date: Thu, 31 Oct 2013 10:53:06 -0700 -Subject: [PATCH 6/7] leds: add driver for the iPAQ micro - -This adds a driver for the iPAQ microcontroller LED. - -Signed-off-by: Linus Walleij <linus.walleij@linaro.org> ---- - drivers/leds/Kconfig | 7 +++ - drivers/leds/Makefile | 1 + - drivers/leds/leds-ipaq-micro.c | 139 +++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 147 insertions(+) - create mode 100644 drivers/leds/leds-ipaq-micro.c - -diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig -index 72156c123033..39dae8a15297 100644 ---- a/drivers/leds/Kconfig -+++ b/drivers/leds/Kconfig -@@ -143,6 +143,13 @@ config LEDS_SUNFIRE - This option enables support for the Left, Middle, and Right - LEDs on the I/O and CPU boards of SunFire UltraSPARC servers. - -+config LEDS_IPAQ_MICRO -+ tristate "LED Support for the Compaq iPAQ h3xxx" -+ depends on MFD_IPAQ_MICRO -+ help -+ Choose this option if you want to use the notification LED on -+ Compaq/HP iPAQ h3100 and h3600. -+ - config LEDS_HP6XX - tristate "LED Support for the HP Jornada 6xx" - depends on LEDS_CLASS -diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile -index 3cd76dbd9be2..db0e6e856ca9 100644 ---- a/drivers/leds/Makefile -+++ b/drivers/leds/Makefile -@@ -31,6 +31,7 @@ obj-$(CONFIG_LEDS_LP8501) += leds-lp8501.o - obj-$(CONFIG_LEDS_LP8788) += leds-lp8788.o - obj-$(CONFIG_LEDS_TCA6507) += leds-tca6507.o - obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o -+obj-$(CONFIG_LEDS_IPAQ_MICRO) += leds-ipaq-micro.o - obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o - obj-$(CONFIG_LEDS_OT200) += leds-ot200.o - obj-$(CONFIG_LEDS_FSG) += leds-fsg.o -diff --git a/drivers/leds/leds-ipaq-micro.c b/drivers/leds/leds-ipaq-micro.c -new file mode 100644 -index 000000000000..a716ec27f066 ---- /dev/null -+++ b/drivers/leds/leds-ipaq-micro.c -@@ -0,0 +1,139 @@ -+/* -+ * 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. -+ * -+ * h3xxx atmel micro companion support, notification LED subdevice -+ * -+ * Author : Linus Walleij <linus.walleij@linaro.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/mfd/ipaq-micro.h> -+#include <linux/leds.h> -+ -+#define LED_YELLOW 0x00 -+#define LED_GREEN 0x01 -+ -+#define LED_EN (1 << 4) /* LED ON/OFF 0:off, 1:on */ -+#define LED_AUTOSTOP (1 << 5) /* LED ON/OFF auto stop set 0:disable, 1:enable */ -+#define LED_ALWAYS (1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask */ -+ -+static void micro_leds_brightness_set(struct led_classdev *led_cdev, -+ enum led_brightness value) -+{ -+ struct ipaq_micro *micro = dev_get_drvdata(led_cdev->dev->parent->parent); -+ /* -+ * In this message: -+ * Byte 0 = LED color: 0 = yellow, 1 = green -+ * yellow LED is always ~30 blinks per minute -+ * Byte 1 = duration (flags?) appears to be ignored -+ * Byte 2 = green ontime in 1/10 sec (deciseconds) -+ * 1 = 1/10 second -+ * 0 = 256/10 second -+ * Byte 3 = green offtime in 1/10 sec (deciseconds) -+ * 1 = 1/10 second -+ * 0 = 256/10 seconds -+ */ -+ struct ipaq_micro_msg msg = { -+ .id = MSG_NOTIFY_LED, -+ .tx_len = 4, -+ }; -+ -+ msg.tx_data[0] = LED_GREEN; -+ msg.tx_data[1] = 0; -+ if (value) { -+ msg.tx_data[2] = 0; /* Duty cycle 256 */ -+ msg.tx_data[3] = 1; -+ } else { -+ msg.tx_data[2] = 1; -+ msg.tx_data[3] = 0; /* Duty cycle 256 */ -+ } -+ ipaq_micro_tx_msg_sync(micro, &msg); -+} -+ -+/* Maximum duty cycle in ms 256/10 sec = 25600 ms */ -+#define IPAQ_LED_MAX_DUTY 25600 -+ -+static int micro_leds_blink_set(struct led_classdev *led_cdev, -+ unsigned long *delay_on, -+ unsigned long *delay_off) -+{ -+ struct ipaq_micro *micro = dev_get_drvdata(led_cdev->dev->parent->parent); -+ /* -+ * In this message: -+ * Byte 0 = LED color: 0 = yellow, 1 = green -+ * yellow LED is always ~30 blinks per minute -+ * Byte 1 = duration (flags?) appears to be ignored -+ * Byte 2 = green ontime in 1/10 sec (deciseconds) -+ * 1 = 1/10 second -+ * 0 = 256/10 second -+ * Byte 3 = green offtime in 1/10 sec (deciseconds) -+ * 1 = 1/10 second -+ * 0 = 256/10 seconds -+ */ -+ struct ipaq_micro_msg msg = { -+ .id = MSG_NOTIFY_LED, -+ .tx_len = 4, -+ }; -+ -+ msg.tx_data[0] = LED_GREEN; -+ if (*delay_on > IPAQ_LED_MAX_DUTY || -+ *delay_off > IPAQ_LED_MAX_DUTY) -+ return -EINVAL; -+ -+ if (*delay_on == 0 && *delay_off == 0) { -+ *delay_on = 100; -+ *delay_off = 100; -+ } -+ -+ msg.tx_data[1] = 0; -+ if (*delay_on >= IPAQ_LED_MAX_DUTY) -+ msg.tx_data[2] = 0; -+ else -+ msg.tx_data[2] = (u8) DIV_ROUND_CLOSEST(*delay_on, 100); -+ if (*delay_off >= IPAQ_LED_MAX_DUTY) -+ msg.tx_data[3] = 0; -+ else -+ msg.tx_data[3] = (u8) DIV_ROUND_CLOSEST(*delay_off, 100); -+ return ipaq_micro_tx_msg_sync(micro, &msg); -+} -+ -+static struct led_classdev micro_led = { -+ .name = "notify", -+ .brightness_set = micro_leds_brightness_set, -+ .blink_set = micro_leds_blink_set, -+ .flags = LED_CORE_SUSPENDRESUME, -+}; -+ -+static int micro_leds_probe(struct platform_device *pdev) -+{ -+ int ret; -+ -+ ret = led_classdev_register(&pdev->dev, µ_led); -+ if (ret) -+ dev_err(&pdev->dev, "registering led failed: %d\n", ret); -+ dev_info(&pdev->dev, "iPAQ micro notification LED driver\n"); -+ -+ return 0; -+} -+ -+static int micro_leds_remove(struct platform_device *pdev) -+{ -+ led_classdev_unregister(µ_led); -+ return 0; -+} -+ -+struct platform_driver micro_leds_device_driver = { -+ .driver = { -+ .name = "ipaq-micro-leds", -+ }, -+ .probe = micro_leds_probe, -+ .remove = micro_leds_remove, -+}; -+module_platform_driver(micro_leds_device_driver); -+ -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("driver for iPAQ Atmel micro leds"); -+MODULE_ALIAS("platform:ipaq-micro-leds"); --- -1.9.0 - |