redonkable/remarkable-linux
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Merge branch 'dell-laptop' into release

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This commit is contained in:
Len Brown 2009-12-15 22:35:31 -05:00
parent 0ceafc33af 8c5d30e590
commit 6cbef9fd7c
2 changed files with 62 additions and 37 deletions
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13
drivers/misc/Kconfig
View file

@ -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

86
drivers/platform/x86/dell-laptop.c
View file

@ -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;
@ -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;
@ -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 */
@ -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 = {
@ -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;
@ -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;
@ -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) {
@ -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;
@ -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;
@ -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
@ -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;
@ -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;
}
@ -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);