shark/bbswitch-g14
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Fix logic in Optimus DSM execution

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This commit is contained in:
Lekensteyn
2011-12-30 15:48:34 +01:00
parent a62634d9fe
commit 73966cbddd
1 changed files with 12 additions and 10 deletions
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16
bbswitch.c
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@@ -141,18 +141,20 @@ static int has_dsm_func(const char muid[16], int revid, int sfnc) {
}
static int bbswitch_optimus_dsm(void) {
if (dsm_type == DSM_TYPE_OPTIMUS) {
char args[] = {1, 0, 0, 3};
u32 result = 0;
if (acpi_call_dsm(dis_handle, acpi_optimus_dsm_muid, 0x100, 0x1A, args,
&result)) {
printk(KERN_DEBUG "bbswitch: Result of Optimus _DSM call: %08X\n",
result);
return 0;
}
// failure
return 1;
}
printk(KERN_DEBUG "bbswitch: Result of Optimus _DSM call: %08X\n",
result);
}
return 0;
}
static int bbswitch_acpi_off(void) {
if (dsm_type == DSM_TYPE_NVIDIA) {
@@ -211,9 +213,9 @@ static void bbswitch_off(void) {
printk(KERN_INFO "bbswitch: disabling discrete graphics\n");
if (dsm_type == DSM_TYPE_OPTIMUS && bbswitch_optimus_dsm()) {
printk(KERN_WARNING "bbswitch: ACPI call failed, the device is not"
" disabled\n");
if (bbswitch_optimus_dsm()) {
printk(KERN_WARNING "bbswitch: Optimus ACPI call failed, the device is"
" not disabled\n");
return;
}