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path: root/drivers/platform/x86/hp-wmi.c
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Diffstat (limited to 'drivers/platform/x86/hp-wmi.c')
-rw-r--r--drivers/platform/x86/hp-wmi.c60
1 files changed, 37 insertions, 23 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index af2046c87806..847f75601591 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -249,7 +249,7 @@ static int hp_wmi_display_state(void)
int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state,
sizeof(state), sizeof(state));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return state;
}
@@ -259,7 +259,7 @@ static int hp_wmi_hddtemp_state(void)
int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state,
sizeof(state), sizeof(state));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return state;
}
@@ -269,7 +269,7 @@ static int hp_wmi_als_state(void)
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state,
sizeof(state), sizeof(state));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return state;
}
@@ -280,7 +280,7 @@ static int hp_wmi_dock_state(void)
sizeof(state), sizeof(state));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return state & 0x1;
}
@@ -291,7 +291,7 @@ static int hp_wmi_tablet_state(void)
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
sizeof(state), sizeof(state));
if (ret)
- return ret;
+ return ret < 0 ? ret : -EINVAL;
return (state & 0x4) ? 1 : 0;
}
@@ -324,7 +324,7 @@ static int __init hp_wmi_enable_hotkeys(void)
int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &value,
sizeof(value), 0);
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return 0;
}
@@ -337,7 +337,7 @@ static int hp_wmi_set_block(void *data, bool blocked)
ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1,
&query, sizeof(query), 0);
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return 0;
}
@@ -429,7 +429,7 @@ static int hp_wmi_post_code_state(void)
int ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 0, &state,
sizeof(state), sizeof(state));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return state;
}
@@ -495,7 +495,7 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr,
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp,
sizeof(tmp), sizeof(tmp));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return count;
}
@@ -516,7 +516,7 @@ static ssize_t set_postcode(struct device *dev, struct device_attribute *attr,
ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 1, &tmp,
sizeof(tmp), sizeof(tmp));
if (ret)
- return -EINVAL;
+ return ret < 0 ? ret : -EINVAL;
return count;
}
@@ -573,10 +573,12 @@ static void hp_wmi_notify(u32 value, void *context)
switch (event_id) {
case HPWMI_DOCK_EVENT:
- input_report_switch(hp_wmi_input_dev, SW_DOCK,
- hp_wmi_dock_state());
- input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
- hp_wmi_tablet_state());
+ if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_DOCK,
+ hp_wmi_dock_state());
+ if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_tablet_state());
input_sync(hp_wmi_input_dev);
break;
case HPWMI_PARK_HDD:
@@ -649,6 +651,7 @@ static int __init hp_wmi_input_setup(void)
{
acpi_status status;
int err;
+ int val;
hp_wmi_input_dev = input_allocate_device();
if (!hp_wmi_input_dev)
@@ -659,17 +662,26 @@ static int __init hp_wmi_input_setup(void)
hp_wmi_input_dev->id.bustype = BUS_HOST;
__set_bit(EV_SW, hp_wmi_input_dev->evbit);
- __set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
- __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
+
+ /* Dock */
+ val = hp_wmi_dock_state();
+ if (!(val < 0)) {
+ __set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
+ input_report_switch(hp_wmi_input_dev, SW_DOCK, val);
+ }
+
+ /* Tablet mode */
+ val = hp_wmi_tablet_state();
+ if (!(val < 0)) {
+ __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val);
+ }
err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL);
if (err)
goto err_free_dev;
/* Set initial hardware state */
- input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state());
- input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
- hp_wmi_tablet_state());
input_sync(hp_wmi_input_dev);
if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later())
@@ -982,10 +994,12 @@ static int hp_wmi_resume_handler(struct device *device)
* changed.
*/
if (hp_wmi_input_dev) {
- input_report_switch(hp_wmi_input_dev, SW_DOCK,
- hp_wmi_dock_state());
- input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
- hp_wmi_tablet_state());
+ if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_DOCK,
+ hp_wmi_dock_state());
+ if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_tablet_state());
input_sync(hp_wmi_input_dev);
}