diff options
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index d74c97cde0f1..6b281c040bc0 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -191,7 +191,7 @@ static int write_acpi_int(const char *methodName, int val) in_objs[0].integer.value = val; status = acpi_evaluate_object(NULL, (char *)methodName, ¶ms, NULL); - return (status == AE_OK); + return (status == AE_OK) ? 0 : -EIO; } /* Perform a raw HCI call. Here we don't care about input or output buffer @@ -419,7 +419,7 @@ static int bt_rfkill_set_block(void *data, bool blocked) mutex_lock(&dev->mutex); if (hci_get_radio_state(dev, &radio_state) != HCI_SUCCESS) { - err = -EBUSY; + err = -EIO; goto out; } @@ -432,7 +432,7 @@ static int bt_rfkill_set_block(void *data, bool blocked) hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2); if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS) - err = -EBUSY; + err = -EIO; else err = 0; out: @@ -478,10 +478,10 @@ static int get_lcd(struct backlight_device *bd) u32 value; hci_read1(dev, HCI_LCD_BRIGHTNESS, &value, &hci_result); - if (hci_result == HCI_SUCCESS) { + if (hci_result == HCI_SUCCESS) return (value >> HCI_LCD_BRIGHTNESS_SHIFT); - } else - return -EFAULT; + + return -EIO; } static int lcd_proc_show(struct seq_file *m, void *v) @@ -497,11 +497,11 @@ static int lcd_proc_show(struct seq_file *m, void *v) seq_printf(m, "brightness: %d\n", value); seq_printf(m, "brightness_levels: %d\n", HCI_LCD_BRIGHTNESS_LEVELS); - } else { - pr_err("Error reading LCD brightness\n"); + return 0; } - return 0; + pr_err("Error reading LCD brightness\n"); + return -EIO; } static int lcd_proc_open(struct inode *inode, struct file *file) @@ -515,10 +515,7 @@ static int set_lcd(struct toshiba_acpi_dev *dev, int value) value = value << HCI_LCD_BRIGHTNESS_SHIFT; hci_write1(dev, HCI_LCD_BRIGHTNESS, value, &hci_result); - if (hci_result != HCI_SUCCESS) - return -EFAULT; - - return 0; + return hci_result == HCI_SUCCESS ? 0 : -EIO; } static int set_lcd_status(struct backlight_device *bd) @@ -575,11 +572,10 @@ static int video_proc_show(struct seq_file *m, void *v) 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); - } else { - pr_err("Error reading video out status\n"); + return 0; } - return 0; + return -EIO; } static int video_proc_open(struct inode *inode, struct file *file) @@ -592,6 +588,7 @@ static ssize_t video_proc_write(struct file *file, const char __user *buf, { struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data; char *cmd, *buffer; + int ret = 0; int value; int remain = count; int lcd_out = -1; @@ -644,12 +641,12 @@ static ssize_t video_proc_write(struct file *file, const char __user *buf, /* To avoid unnecessary video disruption, only write the new * video setting if something changed. */ if (new_video_out != video_out) - write_acpi_int(METHOD_VIDEO_OUT, new_video_out); + ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out); } else { - return -EFAULT; + ret = -EIO; } - return count; + return ret ? ret : count; } static const struct file_operations video_proc_fops = { @@ -671,11 +668,10 @@ static int fan_proc_show(struct seq_file *m, void *v) if (hci_result == HCI_SUCCESS) { seq_printf(m, "running: %d\n", (value > 0)); seq_printf(m, "force_on: %d\n", dev->force_fan); - } else { - pr_err("Error reading fan status\n"); + return 0; } - return 0; + return -EIO; } static int fan_proc_open(struct inode *inode, struct file *file) @@ -701,7 +697,7 @@ static ssize_t fan_proc_write(struct file *file, const char __user *buf, value >= 0 && value <= 1) { hci_write1(dev, HCI_FAN, value, &hci_result); if (hci_result != HCI_SUCCESS) - return -EFAULT; + return -EIO; else dev->force_fan = value; } else { @@ -741,13 +737,12 @@ static int keys_proc_show(struct seq_file *m, void *v) pr_notice("Re-enabled hotkeys\n"); } else { pr_err("Error reading hotkey status\n"); - goto end; + return -EIO; } } seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid); seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event); -end: return 0; } |