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| author | Takashi Iwai <tiwai@suse.de> | 2012-06-07 12:15:15 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-06-08 11:24:12 +0200 |
| commit | c8e9cf7bb240049117d2fa64d1540476c289396d (patch) | |
| tree | ccd86aa58f08cde50dcc0da35d2ea4b745d99abd /include/linux/vga_switcheroo.h | |
| parent | 8260ef075bd9848ce6a8004ec73b7454d410cc15 (diff) | |
| download | linux-c8e9cf7bb240049117d2fa64d1540476c289396d.tar.gz linux-c8e9cf7bb240049117d2fa64d1540476c289396d.tar.bz2 linux-c8e9cf7bb240049117d2fa64d1540476c289396d.zip | |
vga_switcheroo: Add a helper function to get the client state
Add vga_switcheroo_get_client_state() to get the current state of the
client. This is necessary to determine the proper initial state of
audio clients in HD-audio driver.
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/vga_switcheroo.h')
| -rw-r--r-- | include/linux/vga_switcheroo.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index b455c7c212eb..b176342ca031 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -12,6 +12,9 @@ enum vga_switcheroo_state { VGA_SWITCHEROO_OFF, VGA_SWITCHEROO_ON, + /* below are referred only from vga_switcheroo_get_client_state() */ + VGA_SWITCHEROO_INIT, + VGA_SWITCHEROO_NOT_FOUND, }; enum vga_switcheroo_client_id { @@ -50,6 +53,8 @@ void vga_switcheroo_unregister_handler(void); int vga_switcheroo_process_delayed_switch(void); +int vga_switcheroo_get_client_state(struct pci_dev *dev); + #else static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} @@ -62,5 +67,7 @@ static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, int id, bool active) { return 0; } static inline void vga_switcheroo_unregister_handler(void) {} static inline int vga_switcheroo_process_delayed_switch(void) { return 0; } +static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_CLIENT_ON; } + #endif |