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sony-laptop: add some debug printk useful for bug reports 

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Mattia Dongili 2011-02-19 11:52:25 +09:00 committed by Matthew Garrett
parent 80887757e3
commit 56e6e716b5
1 changed files with 11 additions and 3 deletions
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12
drivers/platform/x86/sony-laptop.c
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@ -733,22 +733,30 @@ static int sony_find_snc_handle(int handle)
for (i = 0x20; i < 0x30; i++) { for (i = 0x20; i < 0x30; i++) {
acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result); 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; return i-0x20;
} }
}
dprintk("handle 0x%.4x not found\n", handle);
return -1; return -1;
} }
static int sony_call_snc_handle(int handle, int argument, int *result) static int sony_call_snc_handle(int handle, int argument, int *result)
{ {
int ret = 0;
int offset = sony_find_snc_handle(handle); int offset = sony_find_snc_handle(handle);
if (offset < 0) if (offset < 0)
return -1; return -1;
return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
result); result);
dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
*result);
return ret;
} }
/* /*