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| author | Stefan Seyfried <stefan.seyfried@googlemail.com> | 2007-07-31 12:32:41 +0000 |
|---|---|---|
| committer | Stefan Seyfried <stefan.seyfried@googlemail.com> | 2007-07-31 12:32:41 +0000 |
| commit | 9ab3cc8661089af0bb48a400df86b6b17227001b (patch) | |
| tree | dd3999cc140aabf5929dea047cd7db8300b1265a | |
| parent | ff0dbb81157324f7161d953dacdddc74af4d0a59 (diff) | |
| download | suspend-utils-9ab3cc8661089af0bb48a400df86b6b17227001b.tar.gz | |
Fix the acpi_video_flags setting.
| -rw-r--r-- | s2ram-x86.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/s2ram-x86.c b/s2ram-x86.c index e47a969..bb9b9e4 100644 --- a/s2ram-x86.c +++ b/s2ram-x86.c @@ -71,7 +71,7 @@ void identify_machine(void) static int set_acpi_video_mode(int mode) { unsigned long acpi_video_flags; - FILE *f = fopen("/proc/sys/kernel/acpi_video_flags", "rw"); + FILE *f = fopen("/proc/sys/kernel/acpi_video_flags", "r"); if (!f) { printf("/proc/sys/kernel/acpi_video_flags does not exist; you need a kernel >=2.6.16.\n"); return S2RAM_FAIL; @@ -81,6 +81,9 @@ static int set_acpi_video_mode(int mode) printf("/proc/sys/kernel/acpi_video_flags format is invalid\n"); return S2RAM_FAIL; } + /* rewind() seems not to work on /proc files, so close and reopen it */ + fclose(f); + f = fopen("/proc/sys/kernel/acpi_video_flags", "w"); /* mask out bits 0 and 1 */ acpi_video_flags = acpi_video_flags & (~0UL - S3_BIOS - S3_MODE); fprintf(f, "%ld", acpi_video_flags | mode); |