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authorTrepák Vilmos <trepo@netcomga.sk>2012-10-11 12:51:00 +0200
committerMatthew Garrett <matthew.garrett@nebula.com>2013-02-24 14:49:56 -0800
commit4fca7ce39f57517a31c911d8f66931355a39457e (patch)
tree85f3f60be3ffe097a280c78848c4f4eeffb0ceda /drivers/platform/x86
parent5f3511d2a61e7874730d3ccc1a32d418259133be (diff)
downloadop-kernel-dev-4fca7ce39f57517a31c911d8f66931355a39457e.zip
op-kernel-dev-4fca7ce39f57517a31c911d8f66931355a39457e.tar.gz
Platform: hp-wmi: add rfkill support for integrated GPS
Add rfkill support for the GPS radio found in HP laptops (HP Elitebook 2170p and the like) using the Ericsson F5321/H5321 Mobile Broadband Module. Signed-off-by: Viliam Trepák <trepo@netcomga.sk> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/hp-wmi.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 1dde7ac..2179c03 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -60,6 +60,7 @@ enum hp_wmi_radio {
HPWMI_WIFI = 0,
HPWMI_BLUETOOTH = 1,
HPWMI_WWAN = 2,
+ HPWMI_GPS = 3,
};
enum hp_wmi_event_ids {
@@ -147,6 +148,7 @@ static struct platform_device *hp_wmi_platform_dev;
static struct rfkill *wifi_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *wwan_rfkill;
+static struct rfkill *gps_rfkill;
struct rfkill2_device {
u8 id;
@@ -543,6 +545,10 @@ static void hp_wmi_notify(u32 value, void *context)
rfkill_set_states(wwan_rfkill,
hp_wmi_get_sw_state(HPWMI_WWAN),
hp_wmi_get_hw_state(HPWMI_WWAN));
+ if (gps_rfkill)
+ rfkill_set_states(gps_rfkill,
+ hp_wmi_get_sw_state(HPWMI_GPS),
+ hp_wmi_get_hw_state(HPWMI_GPS));
break;
case HPWMI_CPU_BATTERY_THROTTLE:
pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n");
@@ -670,7 +676,7 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
(void *) HPWMI_WWAN);
if (!wwan_rfkill) {
err = -ENOMEM;
- goto register_bluetooth_error;
+ goto register_gps_error;
}
rfkill_init_sw_state(wwan_rfkill,
hp_wmi_get_sw_state(HPWMI_WWAN));
@@ -681,10 +687,33 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
goto register_wwan_err;
}
+ if (wireless & 0x8) {
+ gps_rfkill = rfkill_alloc("hp-gps", &device->dev,
+ RFKILL_TYPE_GPS,
+ &hp_wmi_rfkill_ops,
+ (void *) HPWMI_GPS);
+ if (!gps_rfkill) {
+ err = -ENOMEM;
+ goto register_bluetooth_error;
+ }
+ rfkill_init_sw_state(gps_rfkill,
+ hp_wmi_get_sw_state(HPWMI_GPS));
+ rfkill_set_hw_state(bluetooth_rfkill,
+ hp_wmi_get_hw_state(HPWMI_GPS));
+ err = rfkill_register(gps_rfkill);
+ if (err)
+ goto register_gps_error;
+ }
+
return 0;
register_wwan_err:
rfkill_destroy(wwan_rfkill);
wwan_rfkill = NULL;
+ if (gps_rfkill)
+ rfkill_unregister(gps_rfkill);
+register_gps_error:
+ rfkill_destroy(gps_rfkill);
+ gps_rfkill = NULL;
if (bluetooth_rfkill)
rfkill_unregister(bluetooth_rfkill);
register_bluetooth_error:
@@ -729,6 +758,10 @@ static int hp_wmi_rfkill2_setup(struct platform_device *device)
type = RFKILL_TYPE_WWAN;
name = "hp-wwan";
break;
+ case HPWMI_GPS:
+ type = RFKILL_TYPE_GPS;
+ name = "hp-gps";
+ break;
default:
pr_warn("unknown device type 0x%x\n",
state.device[i].radio_type);
@@ -786,6 +819,7 @@ static int hp_wmi_bios_setup(struct platform_device *device)
wifi_rfkill = NULL;
bluetooth_rfkill = NULL;
wwan_rfkill = NULL;
+ gps_rfkill = NULL;
rfkill2_count = 0;
if (hp_wmi_rfkill_setup(device))
@@ -835,6 +869,10 @@ static int __exit hp_wmi_bios_remove(struct platform_device *device)
rfkill_unregister(wwan_rfkill);
rfkill_destroy(wwan_rfkill);
}
+ if (gps_rfkill) {
+ rfkill_unregister(gps_rfkill);
+ rfkill_destroy(gps_rfkill);
+ }
return 0;
}
@@ -870,6 +908,10 @@ static int hp_wmi_resume_handler(struct device *device)
rfkill_set_states(wwan_rfkill,
hp_wmi_get_sw_state(HPWMI_WWAN),
hp_wmi_get_hw_state(HPWMI_WWAN));
+ if (gps_rfkill)
+ rfkill_set_states(gps_rfkill,
+ hp_wmi_get_sw_state(HPWMI_GPS),
+ hp_wmi_get_hw_state(HPWMI_GPS));
return 0;
}
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