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-rw-r--r--drivers/platform/x86/toshiba_acpi.c226
1 files changed, 138 insertions, 88 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index bbcb7c2ef62a..158b3af866e3 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -476,10 +476,15 @@ static void toshiba_illumination_available(struct toshiba_acpi_dev *dev)
status = tci_raw(dev, in, out);
sci_close(dev);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
pr_err("ACPI call to query Illumination support failed\n");
- else if (out[0] == TOS_SUCCESS)
- dev->illumination_supported = 1;
+ return;
+ }
+
+ if (out[0] != TOS_SUCCESS)
+ return;
+
+ dev->illumination_supported = 1;
}
static void toshiba_illumination_set(struct led_classdev *cdev,
@@ -544,24 +549,28 @@ static void toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev)
sci_close(dev);
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to query kbd illumination support failed\n");
- } else if (out[0] == TOS_SUCCESS) {
- /*
- * Check for keyboard backlight timeout max value,
- * previous kbd backlight implementation set this to
- * 0x3c0003, and now the new implementation set this
- * to 0x3c001a, use this to distinguish between them.
- */
- if (out[3] == SCI_KBD_TIME_MAX)
- dev->kbd_type = 2;
- else
- dev->kbd_type = 1;
- /* Get the current keyboard backlight mode */
- dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK;
- /* Get the current time (1-60 seconds) */
- dev->kbd_time = out[2] >> HCI_MISC_SHIFT;
- /* Flag as supported */
- dev->kbd_illum_supported = 1;
+ return;
}
+
+ if (out[0] != TOS_SUCCESS)
+ return;
+
+ /*
+ * Check for keyboard backlight timeout max value,
+ * previous kbd backlight implementation set this to
+ * 0x3c0003, and now the new implementation set this
+ * to 0x3c001a, use this to distinguish between them.
+ */
+ if (out[3] == SCI_KBD_TIME_MAX)
+ dev->kbd_type = 2;
+ else
+ dev->kbd_type = 1;
+ /* Get the current keyboard backlight mode */
+ dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK;
+ /* Get the current time (1-60 seconds) */
+ dev->kbd_time = out[2] >> HCI_MISC_SHIFT;
+ /* Flag as supported */
+ dev->kbd_illum_supported = 1;
}
static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time)
@@ -680,7 +689,10 @@ static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev)
status = tci_raw(dev, in, out);
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get ECO led failed\n");
- } else if (out[0] == TOS_INPUT_DATA_ERROR) {
+ return;
+ }
+
+ if (out[0] == TOS_INPUT_DATA_ERROR) {
/*
* If we receive 0x8300 (Input Data Error), it means that the
* LED device is present, but that we just screwed the input
@@ -692,10 +704,15 @@ static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev)
*/
in[3] = 1;
status = tci_raw(dev, in, out);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get ECO led failed\n");
- else if (out[0] == TOS_SUCCESS)
- dev->eco_supported = 1;
+ return;
+ }
+
+ if (out[0] != TOS_SUCCESS)
+ return;
+
+ dev->eco_supported = 1;
}
}
@@ -712,10 +729,11 @@ toshiba_eco_mode_get_status(struct led_classdev *cdev)
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get ECO led failed\n");
return LED_OFF;
- } else if (out[0] != TOS_SUCCESS) {
- return LED_OFF;
}
+ if (out[0] != TOS_SUCCESS)
+ return LED_OFF;
+
return out[2] ? LED_FULL : LED_OFF;
}
@@ -749,10 +767,15 @@ static void toshiba_accelerometer_available(struct toshiba_acpi_dev *dev)
* this call also serves as initialization
*/
status = tci_raw(dev, in, out);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
pr_err("ACPI call to query the accelerometer failed\n");
- else if (out[0] == TOS_SUCCESS)
- dev->accelerometer_supported = 1;
+ return;
+ }
+
+ if (out[0] != TOS_SUCCESS)
+ return;
+
+ dev->accelerometer_supported = 1;
}
static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev,
@@ -767,15 +790,18 @@ static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev,
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to query the accelerometer failed\n");
return -EIO;
- } else if (out[0] == TOS_NOT_SUPPORTED) {
- return -ENODEV;
- } else if (out[0] == TOS_SUCCESS) {
- *xy = out[2];
- *z = out[4];
- return 0;
}
- return -EIO;
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ if (out[0] != TOS_SUCCESS)
+ return -EIO;
+
+ *xy = out[2];
+ *z = out[4];
+
+ return 0;
}
/* Sleep (Charge and Music) utilities support */
@@ -795,24 +821,29 @@ static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev)
pr_err("ACPI call to get USB Sleep and Charge mode failed\n");
sci_close(dev);
return;
- } else if (out[0] == TOS_NOT_SUPPORTED) {
+ }
+
+ if (out[0] != TOS_SUCCESS) {
sci_close(dev);
return;
- } else if (out[0] == TOS_SUCCESS) {
- dev->usbsc_mode_base = out[4];
}
+ dev->usbsc_mode_base = out[4];
+
in[5] = SCI_USB_CHARGE_BAT_LVL;
status = tci_raw(dev, in, out);
sci_close(dev);
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get USB Sleep and Charge mode failed\n");
- } else if (out[0] == TOS_SUCCESS) {
- dev->usbsc_bat_level = out[2];
- /* Flag as supported */
- dev->usb_sleep_charge_supported = 1;
+ return;
}
+ if (out[0] != TOS_SUCCESS)
+ return;
+
+ dev->usbsc_bat_level = out[2];
+ /* Flag as supported */
+ dev->usb_sleep_charge_supported = 1;
}
static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev,
@@ -866,14 +897,19 @@ static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev,
sci_close(dev);
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get USB S&C battery level failed\n");
- } else if (out[0] == TOS_NOT_SUPPORTED) {
- return -ENODEV;
- } else if (out[0] == TOS_SUCCESS) {
- *mode = out[2];
- return 0;
+ return -EIO;
}
- return -EIO;
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ if (out[0] != TOS_SUCCESS)
+ return -EIO;
+
+ *mode = out[2];
+
+ return 0;
+
}
static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev,
@@ -890,9 +926,12 @@ static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev,
in[5] = SCI_USB_CHARGE_BAT_LVL;
status = tci_raw(dev, in, out);
sci_close(dev);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
pr_err("ACPI call to set USB S&C battery level failed\n");
- else if (out[0] == TOS_NOT_SUPPORTED)
+ return -EIO;
+ }
+
+ if (out[0] == TOS_NOT_SUPPORTED)
return -ENODEV;
return out[0] == TOS_SUCCESS ? 0 : -EIO;
@@ -913,14 +952,18 @@ static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev,
sci_close(dev);
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get USB Rapid Charge failed\n");
- } else if (out[0] == TOS_NOT_SUPPORTED) {
- return -ENODEV;
- } else if (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) {
- *state = out[2];
- return 0;
+ return -EIO;
}
- return -EIO;
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2)
+ return -EIO;
+
+ *state = out[2];
+
+ return 0;
}
static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev,
@@ -937,9 +980,12 @@ static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev,
in[5] = SCI_USB_CHARGE_RAPID_DSP;
status = tci_raw(dev, in, out);
sci_close(dev);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
pr_err("ACPI call to set USB Rapid Charge failed\n");
- else if (out[0] == TOS_NOT_SUPPORTED)
+ return -EIO;
+ }
+
+ if (out[0] == TOS_NOT_SUPPORTED)
return -ENODEV;
return (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) ? 0 : -EIO;
@@ -1095,14 +1141,18 @@ static int toshiba_hotkey_event_type_get(struct toshiba_acpi_dev *dev,
status = tci_raw(dev, in, out);
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get System type failed\n");
- } else if (out[0] == TOS_NOT_SUPPORTED) {
- return -ENODEV;
- } else if (out[0] == TOS_SUCCESS) {
- *type = out[3];
- return 0;
+ return -EIO;
}
- return -EIO;
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ if (out[0] != TOS_SUCCESS)
+ return -EIO;
+
+ *type = out[3];
+
+ return 0;
}
/* Wireless status (RFKill, WLAN, BT, WWAN) */
@@ -1152,7 +1202,6 @@ static void toshiba_wwan_available(struct toshiba_acpi_dev *dev)
*/
in[3] = HCI_WIRELESS_WWAN;
status = tci_raw(dev, in, out);
-
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get WWAN status failed\n");
return;
@@ -1172,7 +1221,6 @@ static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state)
in[3] = HCI_WIRELESS_WWAN_STATUS;
status = tci_raw(dev, in, out);
-
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to set WWAN status failed\n");
return -EIO;
@@ -1191,7 +1239,6 @@ static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state)
*/
in[3] = HCI_WIRELESS_WWAN_POWER;
status = tci_raw(dev, in, out);
-
if (ACPI_FAILURE(status)) {
pr_err("ACPI call to set WWAN power failed\n");
return -EIO;
@@ -1214,8 +1261,10 @@ static void toshiba_cooling_method_available(struct toshiba_acpi_dev *dev)
dev->max_cooling_method = 0;
status = tci_raw(dev, in, out);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
pr_err("ACPI call to get Cooling Method failed\n");
+ return;
+ }
if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2)
return;
@@ -1299,10 +1348,10 @@ static int __get_lcd_brightness(struct toshiba_acpi_dev *dev)
pr_err("ACPI call to get LCD Brightness failed\n");
else if (result == TOS_NOT_SUPPORTED)
return -ENODEV;
- if (result == TOS_SUCCESS)
- return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT);
- return -EIO;
+ return result == TOS_SUCCESS ?
+ brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT) :
+ -EIO;
}
static int get_lcd_brightness(struct backlight_device *bd)
@@ -1323,15 +1372,15 @@ static int lcd_proc_show(struct seq_file *m, void *v)
levels = dev->backlight_dev->props.max_brightness + 1;
value = get_lcd_brightness(dev->backlight_dev);
- if (value >= 0) {
- seq_printf(m, "brightness: %d\n", value);
- seq_printf(m, "brightness_levels: %d\n", levels);
- return 0;
+ if (value < 0) {
+ pr_err("Error reading LCD brightness\n");
+ return value;
}
- pr_err("Error reading LCD brightness\n");
+ seq_printf(m, "brightness: %d\n", value);
+ seq_printf(m, "brightness_levels: %d\n", levels);
- return -EIO;
+ return 0;
}
static int lcd_proc_open(struct inode *inode, struct file *file)
@@ -1419,20 +1468,21 @@ static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status)
static int video_proc_show(struct seq_file *m, void *v)
{
struct toshiba_acpi_dev *dev = m->private;
+ int is_lcd, is_crt, is_tv;
u32 value;
- if (!get_video_status(dev, &value)) {
- int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
- int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
- int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
+ if (get_video_status(dev, &value))
+ return -EIO;
- seq_printf(m, "lcd_out: %d\n", is_lcd);
- seq_printf(m, "crt_out: %d\n", is_crt);
- seq_printf(m, "tv_out: %d\n", is_tv);
- return 0;
- }
+ is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
+ is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
+ is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
+
+ seq_printf(m, "lcd_out: %d\n", is_lcd);
+ seq_printf(m, "crt_out: %d\n", is_crt);
+ seq_printf(m, "tv_out: %d\n", is_tv);
- return -EIO;
+ return 0;
}
static int video_proc_open(struct inode *inode, struct file *file)
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-21 00:07:01 +0000