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vga_switcheroo: Introduce struct vga_switcheroo_client_ops

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This changes the API as a clean-up.  Instead of passing multiple
function pointers at each time, introduce a new struct holding the
whole callback functions and pass it to the registration.

The same struct will be used for the upcoming audio client
registration, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-05-11 07:51:17 +02:00
commit 26ec685ff9
5 changed files with 35 additions and 31 deletions
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13
include/linux/vga_switcheroo.h
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@ -28,13 +28,16 @@ struct vga_switcheroo_handler {
int (*get_client_id)(struct pci_dev *pdev);
};
struct vga_switcheroo_client_ops {
void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state);
void (*reprobe)(struct pci_dev *dev);
bool (*can_switch)(struct pci_dev *dev);
};
#if defined(CONFIG_VGA_SWITCHEROO)
void vga_switcheroo_unregister_client(struct pci_dev *dev);
int vga_switcheroo_register_client(struct pci_dev *dev,
void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state),
void (*reprobe)(struct pci_dev *dev),
bool (*can_switch)(struct pci_dev *dev));
const struct vga_switcheroo_client_ops *ops);
void vga_switcheroo_client_fb_set(struct pci_dev *dev,
struct fb_info *info);
@ -48,9 +51,7 @@ int vga_switcheroo_process_delayed_switch(void);
static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {}
static inline int vga_switcheroo_register_client(struct pci_dev *dev,
void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state),
void (*reprobe)(struct pci_dev *dev),
bool (*can_switch)(struct pci_dev *dev)) { return 0; }
const struct vga_switcheroo_client_ops *ops) { return 0; }
static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {}
static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; }
static inline void vga_switcheroo_unregister_handler(void) {}