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-rw-r--r--drivers/platform/x86/sony-laptop.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 13d8d63bcca9..5cd39af376d9 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -733,22 +733,30 @@ static int sony_find_snc_handle(int handle)
for (i = 0x20; i < 0x30; i++) {
acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
- if (result == handle)
+ if (result == handle) {
+ dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
+ handle, i - 0x20);
return i-0x20;
+ }
}
+ dprintk("handle 0x%.4x not found\n", handle);
return -1;
}
static int sony_call_snc_handle(int handle, int argument, int *result)
{
+ int ret = 0;
int offset = sony_find_snc_handle(handle);
if (offset < 0)
return -1;
- return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
- result);
+ ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
+ result);
+ dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
+ *result);
+ return ret;
}
/*