diff options
| -rw-r--r-- | drivers/platform/x86/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 65 |
2 files changed, 59 insertions, 7 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 7f5a222c232..527abf1b5bd 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -59,6 +59,7 @@ config ASUS_LAPTOP select NEW_LEDS select BACKLIGHT_CLASS_DEVICE depends on INPUT + depends on RFKILL || RFKILL = n select INPUT_SPARSEKMAP ---help--- This is the new Linux driver for Asus laptops. It may also support some diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 1d61094d3b5..e1df92a22de 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -50,6 +50,7 @@ #include <asm/uaccess.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> +#include <linux/rfkill.h> #define ASUS_LAPTOP_VERSION "0.42" @@ -238,6 +239,8 @@ struct asus_laptop { bool have_rsts; int lcd_state; + struct rfkill *gps_rfkill; + acpi_handle handle; /* the handle of the hotk device */ u32 ledd_status; /* status of the LED display */ u8 light_level; /* light sensor level */ @@ -1006,7 +1009,6 @@ static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, /* * GPS - * TODO: use rfkill */ static int asus_gps_status(struct asus_laptop *asus) { @@ -1052,10 +1054,58 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr, ret = asus_gps_switch(asus, !!value); if (ret) return ret; + rfkill_set_sw_state(asus->gps_rfkill, !value); return rv; } /* + * rfkill + */ +static int asus_gps_rfkill_set(void *data, bool blocked) +{ + acpi_handle handle = data; + + return asus_gps_switch(handle, !blocked); +} + +static const struct rfkill_ops asus_gps_rfkill_ops = { + .set_block = asus_gps_rfkill_set, +}; + +static void asus_rfkill_exit(struct asus_laptop *asus) +{ + if (asus->gps_rfkill) { + rfkill_unregister(asus->gps_rfkill); + rfkill_destroy(asus->gps_rfkill); + asus->gps_rfkill = NULL; + } +} + +static int asus_rfkill_init(struct asus_laptop *asus) +{ + int result; + + if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || + acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || + acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) + return 0; + + asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, + RFKILL_TYPE_GPS, + &asus_gps_rfkill_ops, NULL); + if (!asus->gps_rfkill) + return -EINVAL; + + result = rfkill_register(asus->gps_rfkill); + if (result) { + rfkill_destroy(asus->gps_rfkill); + asus->gps_rfkill = NULL; + } + + return result; +} + +/* * Input device (i.e. hotkeys) */ static void asus_input_notify(struct asus_laptop *asus, int event) @@ -1416,12 +1466,6 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus) asus_als_level(asus, asus->light_level); } - /* GPS is on by default */ - if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) && - !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) && - !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) - asus_gps_switch(asus, 1); - asus->lcd_state = 1; /* LCD should be on when the module load */ return result; } @@ -1469,9 +1513,15 @@ static int __devinit asus_acpi_add(struct acpi_device *device) if (result) goto fail_led; + result = asus_rfkill_init(asus); + if (result) + goto fail_rfkill; + asus_device_present = true; return 0; +fail_rfkill: + asus_led_exit(asus); fail_led: asus_input_exit(asus); fail_input: @@ -1490,6 +1540,7 @@ static int asus_acpi_remove(struct acpi_device *device, int type) struct asus_laptop *asus = acpi_driver_data(device); asus_backlight_exit(asus); + asus_rfkill_exit(asus); asus_led_exit(asus); asus_input_exit(asus); asus_platform_exit(asus); |