diff options
Diffstat (limited to 'drivers/video/backlight')
-rw-r--r-- | drivers/video/backlight/backlight.c | 79 | ||||
-rw-r--r-- | drivers/video/backlight/corgi_bl.c | 16 | ||||
-rw-r--r-- | drivers/video/backlight/hp680_bl.c | 14 | ||||
-rw-r--r-- | drivers/video/backlight/lcd.c | 67 | ||||
-rw-r--r-- | drivers/video/backlight/locomolcd.c | 12 | ||||
-rw-r--r-- | drivers/video/backlight/progear_bl.c | 16 |
6 files changed, 89 insertions, 115 deletions
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 822a373d3346..c65e81ff3578 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -35,14 +35,14 @@ static int fb_notifier_callback(struct notifier_block *self, return 0; bd = container_of(self, struct backlight_device, fb_notif); - mutex_lock(&bd->props_lock); - if (bd->props) - if (!bd->props->check_fb || - bd->props->check_fb(evdata->info)) { - bd->props->fb_blank = *(int *)evdata->data; + mutex_lock(&bd->ops_lock); + if (bd->ops) + if (!bd->ops->check_fb || + bd->ops->check_fb(evdata->info)) { + bd->props.fb_blank = *(int *)evdata->data; backlight_update_status(bd); } - mutex_unlock(&bd->props_lock); + mutex_unlock(&bd->ops_lock); return 0; } @@ -71,15 +71,9 @@ static inline void backlight_unregister_fb(struct backlight_device *bd) static ssize_t backlight_show_power(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - mutex_lock(&bd->props_lock); - if (bd->props) - rc = sprintf(buf, "%d\n", bd->props->power); - mutex_unlock(&bd->props_lock); - - return rc; + return sprintf(buf, "%d\n", bd->props.power); } static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count) @@ -95,29 +89,23 @@ static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, if (size != count) return -EINVAL; - mutex_lock(&bd->props_lock); - if (bd->props) { + mutex_lock(&bd->ops_lock); + if (bd->ops) { pr_debug("backlight: set power to %d\n", power); - bd->props->power = power; + bd->props.power = power; backlight_update_status(bd); rc = count; } - mutex_unlock(&bd->props_lock); + mutex_unlock(&bd->ops_lock); return rc; } static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - mutex_lock(&bd->props_lock); - if (bd->props) - rc = sprintf(buf, "%d\n", bd->props->brightness); - mutex_unlock(&bd->props_lock); - - return rc; + return sprintf(buf, "%d\n", bd->props.brightness); } static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count) @@ -133,34 +121,28 @@ static ssize_t backlight_store_brightness(struct class_device *cdev, const char if (size != count) return -EINVAL; - mutex_lock(&bd->props_lock); - if (bd->props) { - if (brightness > bd->props->max_brightness) + mutex_lock(&bd->ops_lock); + if (bd->ops) { + if (brightness > bd->props.max_brightness) rc = -EINVAL; else { pr_debug("backlight: set brightness to %d\n", brightness); - bd->props->brightness = brightness; + bd->props.brightness = brightness; backlight_update_status(bd); rc = count; } } - mutex_unlock(&bd->props_lock); + mutex_unlock(&bd->ops_lock); return rc; } static ssize_t backlight_show_max_brightness(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - mutex_lock(&bd->props_lock); - if (bd->props) - rc = sprintf(buf, "%d\n", bd->props->max_brightness); - mutex_unlock(&bd->props_lock); - - return rc; + return sprintf(buf, "%d\n", bd->props.max_brightness); } static ssize_t backlight_show_actual_brightness(struct class_device *cdev, @@ -169,10 +151,10 @@ static ssize_t backlight_show_actual_brightness(struct class_device *cdev, int rc = -ENXIO; struct backlight_device *bd = to_backlight_device(cdev); - mutex_lock(&bd->props_lock); - if (bd->props && bd->props->get_brightness) - rc = sprintf(buf, "%d\n", bd->props->get_brightness(bd)); - mutex_unlock(&bd->props_lock); + mutex_lock(&bd->ops_lock); + if (bd->ops && bd->ops->get_brightness) + rc = sprintf(buf, "%d\n", bd->ops->get_brightness(bd)); + mutex_unlock(&bd->ops_lock); return rc; } @@ -211,7 +193,7 @@ static const struct class_device_attribute bl_class_device_attributes[] = { * respective framebuffer device). * @devdata: an optional pointer to be stored in the class_device. The * methods may retrieve it by using class_get_devdata(&bd->class_dev). - * @bp: the backlight properties structure. + * @ops: the backlight operations structure. * * Creates and registers new backlight class_device. Returns either an * ERR_PTR() or a pointer to the newly allocated device. @@ -219,21 +201,20 @@ static const struct class_device_attribute bl_class_device_attributes[] = { struct backlight_device *backlight_device_register(const char *name, struct device *dev, void *devdata, - struct backlight_properties *bp) + struct backlight_ops *ops) { int i, rc; struct backlight_device *new_bd; pr_debug("backlight_device_alloc: name=%s\n", name); - new_bd = kmalloc(sizeof(struct backlight_device), GFP_KERNEL); + new_bd = kzalloc(sizeof(struct backlight_device), GFP_KERNEL); if (!new_bd) return ERR_PTR(-ENOMEM); mutex_init(&new_bd->update_lock); - mutex_init(&new_bd->props_lock); - new_bd->props = bp; - memset(&new_bd->class_dev, 0, sizeof(new_bd->class_dev)); + mutex_init(&new_bd->ops_lock); + new_bd->ops = ops; new_bd->class_dev.class = &backlight_class; new_bd->class_dev.dev = dev; strlcpy(new_bd->class_dev.class_id, name, KOBJ_NAME_LEN); @@ -302,9 +283,9 @@ void backlight_device_unregister(struct backlight_device *bd) class_device_remove_file(&bd->class_dev, &bl_class_device_attributes[i]); - mutex_lock(&bd->props_lock); - bd->props = NULL; - mutex_unlock(&bd->props_lock); + mutex_lock(&bd->ops_lock); + bd->ops = NULL; + mutex_unlock(&bd->ops_lock); backlight_unregister_fb(bd); diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index c1eba0e8a1b0..05f36811ac95 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -34,11 +34,11 @@ static unsigned long corgibl_flags; static int corgibl_send_intensity(struct backlight_device *bd) { void (*corgi_kick_batt)(void); - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; if (corgibl_flags & CORGIBL_SUSPENDED) intensity = 0; @@ -103,7 +103,7 @@ void corgibl_limit_intensity(int limit) EXPORT_SYMBOL(corgibl_limit_intensity); -static struct backlight_properties corgibl_data = { +static struct backlight_ops corgibl_ops = { .get_brightness = corgibl_get_intensity, .update_status = corgibl_send_intensity, }; @@ -113,19 +113,19 @@ static int corgibl_probe(struct platform_device *pdev) struct corgibl_machinfo *machinfo = pdev->dev.platform_data; bl_machinfo = machinfo; - corgibl_data.max_brightness = machinfo->max_intensity; if (!machinfo->limit_mask) machinfo->limit_mask = -1; corgi_backlight_device = backlight_device_register ("corgi-bl", - &pdev->dev, NULL, &corgibl_data); + &pdev->dev, NULL, &corgibl_ops); if (IS_ERR (corgi_backlight_device)) return PTR_ERR (corgi_backlight_device); platform_set_drvdata(pdev, corgi_backlight_device); - corgibl_data.power = FB_BLANK_UNBLANK; - corgibl_data.brightness = machinfo->default_intensity; + corgi_backlight_device->props.max_brightness = machinfo->max_intensity; + corgi_backlight_device->props.power = FB_BLANK_UNBLANK; + corgi_backlight_device->props.brightness = machinfo->default_intensity; corgibl_send_intensity(corgi_backlight_device); printk("Corgi Backlight Driver Initialized.\n"); diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index e7444c8f289d..0899fccbd570 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -33,11 +33,11 @@ static void hp680bl_send_intensity(struct backlight_device *bd) { unsigned long flags; u16 v; - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; if (hp680bl_suspended) intensity = 0; @@ -98,8 +98,7 @@ static int hp680bl_get_intensity(struct backlight_device *bd) return current_intensity; } -static struct backlight_properties hp680bl_data = { - .max_brightness = HP680_MAX_INTENSITY, +static struct backlight_ops hp680bl_ops = { .get_brightness = hp680bl_get_intensity, .update_status = hp680bl_set_intensity, }; @@ -109,13 +108,14 @@ static int __init hp680bl_probe(struct platform_device *pdev) struct backlight_device *bd; bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL, - &hp680bl_data); + &hp680bl_ops); if (IS_ERR(bd)) return PTR_ERR(bd); platform_set_drvdata(pdev, bd); - bd->props->brightness = HP680_DEFAULT_INTENSITY; + bd->props.max_brightness = HP680_MAX_INTENSITY; + bd->props.brightness = HP680_DEFAULT_INTENSITY; hp680bl_send_intensity(bd); return 0; diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index 430ba018a896..6ef8f0a7a137 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -31,11 +31,11 @@ static int fb_notifier_callback(struct notifier_block *self, return 0; ld = container_of(self, struct lcd_device, fb_notif); - mutex_lock(&ld->props_lock); - if (ld->props) - if (!ld->props->check_fb || ld->props->check_fb(evdata->info)) - ld->props->set_power(ld, *(int *)evdata->data); - mutex_unlock(&ld->props_lock); + mutex_lock(&ld->ops_lock); + if (ld->ops) + if (!ld->ops->check_fb || ld->ops->check_fb(evdata->info)) + ld->ops->set_power(ld, *(int *)evdata->data); + mutex_unlock(&ld->ops_lock); return 0; } @@ -66,12 +66,12 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf) int rc; struct lcd_device *ld = to_lcd_device(cdev); - mutex_lock(&ld->props_lock); - if (ld->props && ld->props->get_power) - rc = sprintf(buf, "%d\n", ld->props->get_power(ld)); + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->get_power) + rc = sprintf(buf, "%d\n", ld->ops->get_power(ld)); else rc = -ENXIO; - mutex_unlock(&ld->props_lock); + mutex_unlock(&ld->ops_lock); return rc; } @@ -89,13 +89,13 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_ if (size != count) return -EINVAL; - mutex_lock(&ld->props_lock); - if (ld->props && ld->props->set_power) { + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->set_power) { pr_debug("lcd: set power to %d\n", power); - ld->props->set_power(ld, power); + ld->ops->set_power(ld, power); rc = count; } - mutex_unlock(&ld->props_lock); + mutex_unlock(&ld->ops_lock); return rc; } @@ -105,10 +105,10 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf) int rc = -ENXIO; struct lcd_device *ld = to_lcd_device(cdev); - mutex_lock(&ld->props_lock); - if (ld->props && ld->props->get_contrast) - rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld)); - mutex_unlock(&ld->props_lock); + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->get_contrast) + rc = sprintf(buf, "%d\n", ld->ops->get_contrast(ld)); + mutex_unlock(&ld->ops_lock); return rc; } @@ -126,28 +126,22 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si if (size != count) return -EINVAL; - mutex_lock(&ld->props_lock); - if (ld->props && ld->props->set_contrast) { + mutex_lock(&ld->ops_lock); + if (ld->ops && ld->ops->set_contrast) { pr_debug("lcd: set contrast to %d\n", contrast); - ld->props->set_contrast(ld, contrast); + ld->ops->set_contrast(ld, contrast); rc = count; } - mutex_unlock(&ld->props_lock); + mutex_unlock(&ld->ops_lock); return rc; } static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf) { - int rc = -ENXIO; struct lcd_device *ld = to_lcd_device(cdev); - mutex_lock(&ld->props_lock); - if (ld->props) - rc = sprintf(buf, "%d\n", ld->props->max_contrast); - mutex_unlock(&ld->props_lock); - - return rc; + return sprintf(buf, "%d\n", ld->props.max_contrast); } static void lcd_class_release(struct class_device *dev) @@ -180,27 +174,26 @@ static const struct class_device_attribute lcd_class_device_attributes[] = { * respective framebuffer device). * @devdata: an optional pointer to be stored in the class_device. The * methods may retrieve it by using class_get_devdata(ld->class_dev). - * @lp: the lcd properties structure. + * @ops: the lcd operations structure. * * Creates and registers a new lcd class_device. Returns either an ERR_PTR() * or a pointer to the newly allocated device. */ struct lcd_device *lcd_device_register(const char *name, void *devdata, - struct lcd_properties *lp) + struct lcd_ops *ops) { int i, rc; struct lcd_device *new_ld; pr_debug("lcd_device_register: name=%s\n", name); - new_ld = kmalloc(sizeof(struct lcd_device), GFP_KERNEL); + new_ld = kzalloc(sizeof(struct lcd_device), GFP_KERNEL); if (!new_ld) return ERR_PTR(-ENOMEM); - mutex_init(&new_ld->props_lock); + mutex_init(&new_ld->ops_lock); mutex_init(&new_ld->update_lock); - new_ld->props = lp; - memset(&new_ld->class_dev, 0, sizeof(new_ld->class_dev)); + new_ld->ops = ops; new_ld->class_dev.class = &lcd_class; strlcpy(new_ld->class_dev.class_id, name, KOBJ_NAME_LEN); class_set_devdata(&new_ld->class_dev, devdata); @@ -253,9 +246,9 @@ void lcd_device_unregister(struct lcd_device *ld) class_device_remove_file(&ld->class_dev, &lcd_class_device_attributes[i]); - mutex_lock(&ld->props_lock); - ld->props = NULL; - mutex_unlock(&ld->props_lock); + mutex_lock(&ld->ops_lock); + ld->ops = NULL; + mutex_unlock(&ld->ops_lock); lcd_unregister_fb(ld); class_device_unregister(&ld->class_dev); } diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 3c5abbf0d042..d1312477813e 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -112,11 +112,11 @@ static int current_intensity; static int locomolcd_set_intensity(struct backlight_device *bd) { - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; if (locomolcd_flags & LOCOMOLCD_SUSPENDED) intensity = 0; @@ -141,10 +141,9 @@ static int locomolcd_get_intensity(struct backlight_device *bd) return current_intensity; } -static struct backlight_properties locomobl_data = { +static struct backlight_ops locomobl_data = { .get_brightness = locomolcd_get_intensity, .update_status = locomolcd_set_intensity, - .max_brightness = 4, }; #ifdef CONFIG_PM @@ -189,7 +188,8 @@ static int locomolcd_probe(struct locomo_dev *ldev) return PTR_ERR (locomolcd_bl_device); /* Set up frontlight so that screen is readable */ - locomobl_data.brightness = 2; + locomolcd_bl_device->props.max_brightness = 4, + locomolcd_bl_device->props.brightness = 2; locomolcd_set_intensity(locomolcd_bl_device); return 0; diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c index 42d6acd96c1a..702269357861 100644 --- a/drivers/video/backlight/progear_bl.c +++ b/drivers/video/backlight/progear_bl.c @@ -35,11 +35,11 @@ static struct pci_dev *sb_dev = NULL; static int progearbl_set_intensity(struct backlight_device *bd) { - int intensity = bd->props->brightness; + int intensity = bd->props.brightness; - if (bd->props->power != FB_BLANK_UNBLANK) + if (bd->props.power != FB_BLANK_UNBLANK) intensity = 0; - if (bd->props->fb_blank != FB_BLANK_UNBLANK) + if (bd->props.fb_blank != FB_BLANK_UNBLANK) intensity = 0; pci_write_config_byte(pmu_dev, PMU_LPCR, intensity + HW_LEVEL_MIN); @@ -55,7 +55,7 @@ static int progearbl_get_intensity(struct backlight_device *bd) return intensity - HW_LEVEL_MIN; } -static struct backlight_properties progearbl_data = { +static struct backlight_ops progearbl_ops = { .get_brightness = progearbl_get_intensity, .update_status = progearbl_set_intensity, }; @@ -84,15 +84,15 @@ static int progearbl_probe(struct platform_device *pdev) progear_backlight_device = backlight_device_register("progear-bl", &pdev->dev, NULL, - &progearbl_data); + &progearbl_ops); if (IS_ERR(progear_backlight_device)) return PTR_ERR(progear_backlight_device); platform_set_drvdata(pdev, progear_backlight_device); - progearbl_data.power = FB_BLANK_UNBLANK; - progearbl_data.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; - progearbl_data.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; + progear_backlight_device->props.power = FB_BLANK_UNBLANK; + progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; + progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; progearbl_set_intensity(progear_backlight_device); return 0; |