diff options
| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2007-04-21 14:08:41 (GMT) |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-04-22 03:30:34 (GMT) |
| commit | 83f34724643a3b0ec9322490b9ad9f1b60170a6c (patch) | |
| tree | dcd6da273723dc713c920414506212073ffe738d /drivers/misc/thinkpad_acpi.h | |
| parent | d6fdd1e91a8a4cd852dc1d945165e3a69ac9e257 (diff) | |
| download | linux-fsl-qoriq-83f34724643a3b0ec9322490b9ad9f1b60170a6c.tar.xz | |
ACPI: thinkpad-acpi: cleanup video subdriver
Cleanup video subdriver for sysfs conversion, and properly check
result status of acpi_evalf.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/misc/thinkpad_acpi.h')
| -rw-r--r-- | drivers/misc/thinkpad_acpi.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h index e06bad5..3a8718a 100644 --- a/drivers/misc/thinkpad_acpi.h +++ b/drivers/misc/thinkpad_acpi.h @@ -446,17 +446,32 @@ enum video_access_mode { TPACPI_VIDEO_NEW, /* all others */ }; +enum { /* video status flags, based on VIDEO_570 */ + TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */ + TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */ + TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */ +}; + +enum { /* TPACPI_VIDEO_570 constants */ + TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */ + TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to + * video_status_flags */ + TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */ + TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */ +}; + static enum video_access_mode video_supported; static int video_orig_autosw; static acpi_handle vid_handle, vid2_handle; static int video_init(struct ibm_init_struct *iibm); static void video_exit(void); -static int video_status(void); -static int video_autosw(void); -static int video_switch(void); -static int video_switch2(int status); -static int video_expand(void); +static int video_outputsw_get(void); +static int video_outputsw_set(int status); +static int video_autosw_get(void); +static int video_autosw_set(int enable); +static int video_outputsw_cycle(void); +static int video_expand_toggle(void); static int video_read(char *p); static int video_write(char *buf); |