Loading drivers/misc/Kconfig +0 −13 Original line number Diff line number Diff line Loading @@ -248,19 +248,6 @@ config SGI_GRU_DEBUG This option enables addition debugging code for the SGI GRU driver. If you are unsure, say N. config DELL_LAPTOP tristate "Dell Laptop Extras (EXPERIMENTAL)" depends on X86 depends on DCDBAS depends on EXPERIMENTAL depends on BACKLIGHT_CLASS_DEVICE depends on RFKILL depends on POWER_SUPPLY default n ---help--- This driver adds support for rfkill and backlight control to Dell laptops. config ISL29003 tristate "Intersil ISL29003 ambient light sensor" depends on I2C && SYSFS Loading drivers/platform/x86/dell-laptop.c +62 −24 Original line number Diff line number Diff line Loading @@ -58,6 +58,14 @@ static int da_command_code; static int da_num_tokens; static struct calling_interface_token *da_tokens; static struct platform_driver platform_driver = { .driver = { .name = "dell-laptop", .owner = THIS_MODULE, } }; static struct platform_device *platform_device; static struct backlight_device *dell_backlight_device; static struct rfkill *wifi_rfkill; static struct rfkill *bluetooth_rfkill; Loading @@ -74,7 +82,7 @@ static const struct dmi_system_id __initdata dell_device_table[] = { { } }; static void parse_da_table(const struct dmi_header *dm) static void __init parse_da_table(const struct dmi_header *dm) { /* Final token is a terminator, so we don't want to copy it */ int tokens = (dm->length-11)/sizeof(struct calling_interface_token)-1; Loading Loading @@ -103,7 +111,7 @@ static void parse_da_table(const struct dmi_header *dm) da_num_tokens += tokens; } static void find_tokens(const struct dmi_header *dm, void *dummy) static void __init find_tokens(const struct dmi_header *dm, void *dummy) { switch (dm->type) { case 0xd4: /* Indexed IO */ Loading Loading @@ -197,8 +205,8 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data) dell_send_request(&buffer, 17, 11); status = buffer.output[1]; if (status & BIT(bit)) rfkill_set_hw_state(rfkill, !!(status & BIT(16))); rfkill_set_sw_state(rfkill, !!(status & BIT(bit))); rfkill_set_hw_state(rfkill, !(status & BIT(16))); } static const struct rfkill_ops dell_rfkill_ops = { Loading @@ -206,7 +214,7 @@ static const struct rfkill_ops dell_rfkill_ops = { .query = dell_rfkill_query, }; static int dell_setup_rfkill(void) static int __init dell_setup_rfkill(void) { struct calling_interface_buffer buffer; int status; Loading @@ -217,7 +225,8 @@ static int dell_setup_rfkill(void) status = buffer.output[1]; if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { wifi_rfkill = rfkill_alloc("dell-wifi", NULL, RFKILL_TYPE_WLAN, wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev, RFKILL_TYPE_WLAN, &dell_rfkill_ops, (void *) 1); if (!wifi_rfkill) { ret = -ENOMEM; Loading @@ -229,7 +238,8 @@ static int dell_setup_rfkill(void) } if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) { bluetooth_rfkill = rfkill_alloc("dell-bluetooth", NULL, bluetooth_rfkill = rfkill_alloc("dell-bluetooth", &platform_device->dev, RFKILL_TYPE_BLUETOOTH, &dell_rfkill_ops, (void *) 2); if (!bluetooth_rfkill) { Loading @@ -242,7 +252,9 @@ static int dell_setup_rfkill(void) } if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) { wwan_rfkill = rfkill_alloc("dell-wwan", NULL, RFKILL_TYPE_WWAN, wwan_rfkill = rfkill_alloc("dell-wwan", &platform_device->dev, RFKILL_TYPE_WWAN, &dell_rfkill_ops, (void *) 3); if (!wwan_rfkill) { ret = -ENOMEM; Loading @@ -268,6 +280,22 @@ err_wifi: return ret; } static void dell_cleanup_rfkill(void) { if (wifi_rfkill) { rfkill_unregister(wifi_rfkill); rfkill_destroy(wifi_rfkill); } if (bluetooth_rfkill) { rfkill_unregister(bluetooth_rfkill); rfkill_destroy(bluetooth_rfkill); } if (wwan_rfkill) { rfkill_unregister(wwan_rfkill); rfkill_destroy(wwan_rfkill); } } static int dell_send_intensity(struct backlight_device *bd) { struct calling_interface_buffer buffer; Loading Loading @@ -326,11 +354,23 @@ static int __init dell_init(void) return -ENODEV; } ret = platform_driver_register(&platform_driver); if (ret) goto fail_platform_driver; platform_device = platform_device_alloc("dell-laptop", -1); if (!platform_device) { ret = -ENOMEM; goto fail_platform_device1; } ret = platform_device_add(platform_device); if (ret) goto fail_platform_device2; ret = dell_setup_rfkill(); if (ret) { printk(KERN_WARNING "dell-laptop: Unable to setup rfkill\n"); goto out; goto fail_rfkill; } #ifdef CONFIG_ACPI Loading @@ -352,13 +392,13 @@ static int __init dell_init(void) if (max_intensity) { dell_backlight_device = backlight_device_register( "dell_backlight", NULL, NULL, &platform_device->dev, NULL, &dell_ops); if (IS_ERR(dell_backlight_device)) { ret = PTR_ERR(dell_backlight_device); dell_backlight_device = NULL; goto out; goto fail_backlight; } dell_backlight_device->props.max_brightness = max_intensity; Loading @@ -368,13 +408,16 @@ static int __init dell_init(void) } return 0; out: if (wifi_rfkill) rfkill_unregister(wifi_rfkill); if (bluetooth_rfkill) rfkill_unregister(bluetooth_rfkill); if (wwan_rfkill) rfkill_unregister(wwan_rfkill); fail_backlight: dell_cleanup_rfkill(); fail_rfkill: platform_device_del(platform_device); fail_platform_device2: platform_device_put(platform_device); fail_platform_device1: platform_driver_unregister(&platform_driver); fail_platform_driver: kfree(da_tokens); return ret; } Loading @@ -382,12 +425,7 @@ out: static void __exit dell_exit(void) { backlight_device_unregister(dell_backlight_device); if (wifi_rfkill) rfkill_unregister(wifi_rfkill); if (bluetooth_rfkill) rfkill_unregister(bluetooth_rfkill); if (wwan_rfkill) rfkill_unregister(wwan_rfkill); dell_cleanup_rfkill(); } module_init(dell_init); Loading Loading
drivers/misc/Kconfig +0 −13 Original line number Diff line number Diff line Loading @@ -248,19 +248,6 @@ config SGI_GRU_DEBUG This option enables addition debugging code for the SGI GRU driver. If you are unsure, say N. config DELL_LAPTOP tristate "Dell Laptop Extras (EXPERIMENTAL)" depends on X86 depends on DCDBAS depends on EXPERIMENTAL depends on BACKLIGHT_CLASS_DEVICE depends on RFKILL depends on POWER_SUPPLY default n ---help--- This driver adds support for rfkill and backlight control to Dell laptops. config ISL29003 tristate "Intersil ISL29003 ambient light sensor" depends on I2C && SYSFS Loading
drivers/platform/x86/dell-laptop.c +62 −24 Original line number Diff line number Diff line Loading @@ -58,6 +58,14 @@ static int da_command_code; static int da_num_tokens; static struct calling_interface_token *da_tokens; static struct platform_driver platform_driver = { .driver = { .name = "dell-laptop", .owner = THIS_MODULE, } }; static struct platform_device *platform_device; static struct backlight_device *dell_backlight_device; static struct rfkill *wifi_rfkill; static struct rfkill *bluetooth_rfkill; Loading @@ -74,7 +82,7 @@ static const struct dmi_system_id __initdata dell_device_table[] = { { } }; static void parse_da_table(const struct dmi_header *dm) static void __init parse_da_table(const struct dmi_header *dm) { /* Final token is a terminator, so we don't want to copy it */ int tokens = (dm->length-11)/sizeof(struct calling_interface_token)-1; Loading Loading @@ -103,7 +111,7 @@ static void parse_da_table(const struct dmi_header *dm) da_num_tokens += tokens; } static void find_tokens(const struct dmi_header *dm, void *dummy) static void __init find_tokens(const struct dmi_header *dm, void *dummy) { switch (dm->type) { case 0xd4: /* Indexed IO */ Loading Loading @@ -197,8 +205,8 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data) dell_send_request(&buffer, 17, 11); status = buffer.output[1]; if (status & BIT(bit)) rfkill_set_hw_state(rfkill, !!(status & BIT(16))); rfkill_set_sw_state(rfkill, !!(status & BIT(bit))); rfkill_set_hw_state(rfkill, !(status & BIT(16))); } static const struct rfkill_ops dell_rfkill_ops = { Loading @@ -206,7 +214,7 @@ static const struct rfkill_ops dell_rfkill_ops = { .query = dell_rfkill_query, }; static int dell_setup_rfkill(void) static int __init dell_setup_rfkill(void) { struct calling_interface_buffer buffer; int status; Loading @@ -217,7 +225,8 @@ static int dell_setup_rfkill(void) status = buffer.output[1]; if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { wifi_rfkill = rfkill_alloc("dell-wifi", NULL, RFKILL_TYPE_WLAN, wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev, RFKILL_TYPE_WLAN, &dell_rfkill_ops, (void *) 1); if (!wifi_rfkill) { ret = -ENOMEM; Loading @@ -229,7 +238,8 @@ static int dell_setup_rfkill(void) } if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) { bluetooth_rfkill = rfkill_alloc("dell-bluetooth", NULL, bluetooth_rfkill = rfkill_alloc("dell-bluetooth", &platform_device->dev, RFKILL_TYPE_BLUETOOTH, &dell_rfkill_ops, (void *) 2); if (!bluetooth_rfkill) { Loading @@ -242,7 +252,9 @@ static int dell_setup_rfkill(void) } if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) { wwan_rfkill = rfkill_alloc("dell-wwan", NULL, RFKILL_TYPE_WWAN, wwan_rfkill = rfkill_alloc("dell-wwan", &platform_device->dev, RFKILL_TYPE_WWAN, &dell_rfkill_ops, (void *) 3); if (!wwan_rfkill) { ret = -ENOMEM; Loading @@ -268,6 +280,22 @@ err_wifi: return ret; } static void dell_cleanup_rfkill(void) { if (wifi_rfkill) { rfkill_unregister(wifi_rfkill); rfkill_destroy(wifi_rfkill); } if (bluetooth_rfkill) { rfkill_unregister(bluetooth_rfkill); rfkill_destroy(bluetooth_rfkill); } if (wwan_rfkill) { rfkill_unregister(wwan_rfkill); rfkill_destroy(wwan_rfkill); } } static int dell_send_intensity(struct backlight_device *bd) { struct calling_interface_buffer buffer; Loading Loading @@ -326,11 +354,23 @@ static int __init dell_init(void) return -ENODEV; } ret = platform_driver_register(&platform_driver); if (ret) goto fail_platform_driver; platform_device = platform_device_alloc("dell-laptop", -1); if (!platform_device) { ret = -ENOMEM; goto fail_platform_device1; } ret = platform_device_add(platform_device); if (ret) goto fail_platform_device2; ret = dell_setup_rfkill(); if (ret) { printk(KERN_WARNING "dell-laptop: Unable to setup rfkill\n"); goto out; goto fail_rfkill; } #ifdef CONFIG_ACPI Loading @@ -352,13 +392,13 @@ static int __init dell_init(void) if (max_intensity) { dell_backlight_device = backlight_device_register( "dell_backlight", NULL, NULL, &platform_device->dev, NULL, &dell_ops); if (IS_ERR(dell_backlight_device)) { ret = PTR_ERR(dell_backlight_device); dell_backlight_device = NULL; goto out; goto fail_backlight; } dell_backlight_device->props.max_brightness = max_intensity; Loading @@ -368,13 +408,16 @@ static int __init dell_init(void) } return 0; out: if (wifi_rfkill) rfkill_unregister(wifi_rfkill); if (bluetooth_rfkill) rfkill_unregister(bluetooth_rfkill); if (wwan_rfkill) rfkill_unregister(wwan_rfkill); fail_backlight: dell_cleanup_rfkill(); fail_rfkill: platform_device_del(platform_device); fail_platform_device2: platform_device_put(platform_device); fail_platform_device1: platform_driver_unregister(&platform_driver); fail_platform_driver: kfree(da_tokens); return ret; } Loading @@ -382,12 +425,7 @@ out: static void __exit dell_exit(void) { backlight_device_unregister(dell_backlight_device); if (wifi_rfkill) rfkill_unregister(wifi_rfkill); if (bluetooth_rfkill) rfkill_unregister(bluetooth_rfkill); if (wwan_rfkill) rfkill_unregister(wwan_rfkill); dell_cleanup_rfkill(); } module_init(dell_init); Loading