diff options
author | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-19 16:26:06 -0700 |
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committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-20 13:26:15 -0700 |
commit | ea621d9fe372b4a6ca2b513c13a37c24a668c35f (patch) | |
tree | 33ae2b4db01d96c204781dbd6a1ae38404779a45 /drivers | |
parent | d8193cff33906e24ac1830ecb2ca95833d058a3a (diff) |
platform/x86: hp-wmi: Refactor redundant HPWMI_READ functions
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) <dvhart@infradead.org>
Tested-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/platform/x86/hp-wmi.c | 82 |
1 files changed, 24 insertions, 58 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 2073f1e97970..eb6d0a0e1392 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -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; } @@ -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); @@ -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); @@ -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); @@ -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); @@ -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) { @@ -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, @@ -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); |