Skip to content

Commit

Permalink
platform/x86: hp-wmi: Refactor redundant HPWMI_READ functions
Browse files Browse the repository at this point in the history
Several functions perform the same WMI read int with different query
arguments. Refactor this into a single hp_wmi_read_int function.

Signed-off-by: Darren Hart (VMware) <[email protected]>
Tested-by: Carlo Caione <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
  • Loading branch information
dvhart committed Apr 20, 2017
1 parent d8193cf commit ea621d9
Showing 1 changed file with 24 additions and 58 deletions.
82 changes: 24 additions & 58 deletions drivers/platform/x86/hp-wmi.c
Original file line number Diff line number Diff line change
Expand Up @@ -258,55 +258,35 @@ static int hp_wmi_perform_query(int query, enum hp_wmi_command command,
return 0;
}

static int hp_wmi_display_state(void)
static int hp_wmi_read_int(int query)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, HPWMI_READ, &state,
sizeof(state), sizeof(state));
if (ret)
return ret < 0 ? ret : -EINVAL;
return state;
}
int val = 0, ret;

static int hp_wmi_hddtemp_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, HPWMI_READ, &state,
sizeof(state), sizeof(state));
if (ret)
return ret < 0 ? ret : -EINVAL;
return state;
}
ret = hp_wmi_perform_query(query, HPWMI_READ, &val,
sizeof(val), sizeof(val));

static int hp_wmi_als_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_READ, &state,
sizeof(state), sizeof(state));
if (ret)
return ret < 0 ? ret : -EINVAL;
return state;

return val;
}

static int hp_wmi_dock_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, HPWMI_READ, &state,
sizeof(state), sizeof(state));
int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY);

if (ret)
return ret < 0 ? ret : -EINVAL;
if (state < 0)
return state;

return state & 0x1;
}

static int hp_wmi_tablet_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, HPWMI_READ, &state,
sizeof(state), sizeof(state));
if (ret)
return ret < 0 ? ret : -EINVAL;
int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY);

if (state < 0)
return state;

return (state & 0x4) ? 1 : 0;
}
Expand Down Expand Up @@ -436,20 +416,10 @@ static int hp_wmi_rfkill2_refresh(void)
return 0;
}

static int hp_wmi_post_code_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_READ, &state,
sizeof(state), sizeof(state));
if (ret)
return ret < 0 ? ret : -EINVAL;
return state;
}

static ssize_t show_display(struct device *dev, struct device_attribute *attr,
char *buf)
{
int value = hp_wmi_display_state();
int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY);
if (value < 0)
return -EINVAL;
return sprintf(buf, "%d\n", value);
Expand All @@ -458,7 +428,7 @@ static ssize_t show_display(struct device *dev, struct device_attribute *attr,
static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr,
char *buf)
{
int value = hp_wmi_hddtemp_state();
int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY);
if (value < 0)
return -EINVAL;
return sprintf(buf, "%d\n", value);
Expand All @@ -467,7 +437,7 @@ static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr,
static ssize_t show_als(struct device *dev, struct device_attribute *attr,
char *buf)
{
int value = hp_wmi_als_state();
int value = hp_wmi_read_int(HPWMI_ALS_QUERY);
if (value < 0)
return -EINVAL;
return sprintf(buf, "%d\n", value);
Expand Down Expand Up @@ -495,7 +465,7 @@ static ssize_t show_postcode(struct device *dev, struct device_attribute *attr,
char *buf)
{
/* Get the POST error code of previous boot failure. */
int value = hp_wmi_post_code_state();
int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY);
if (value < 0)
return -EINVAL;
return sprintf(buf, "0x%x\n", value);
Expand Down Expand Up @@ -546,9 +516,9 @@ static void hp_wmi_notify(u32 value, void *context)
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
u32 event_id, event_data;
union acpi_object *obj;
int key_code = 0, ret;
acpi_status status;
u32 *location;
int key_code;

status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
Expand Down Expand Up @@ -599,11 +569,8 @@ static void hp_wmi_notify(u32 value, void *context)
case HPWMI_SMART_ADAPTER:
break;
case HPWMI_BEZEL_BUTTON:
ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, HPWMI_READ,
&key_code,
sizeof(key_code),
sizeof(key_code));
if (ret)
key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
if (key_code < 0)
break;

if (!sparse_keymap_report_event(hp_wmi_input_dev,
Expand Down Expand Up @@ -732,12 +699,11 @@ static void cleanup_sysfs(struct platform_device *device)

static int __init hp_wmi_rfkill_setup(struct platform_device *device)
{
int err, wireless = 0;
int err, wireless;

err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_READ, &wireless,
sizeof(wireless), sizeof(wireless));
if (err)
return err;
wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
if (wireless)
return wireless;

err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &wireless,
sizeof(wireless), 0);
Expand Down

0 comments on commit ea621d9

Please sign in to comment.