diff options
Diffstat (limited to 'drivers/firmware/dmi_scan.c')
| -rw-r--r-- | drivers/firmware/dmi_scan.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index f59163cb7cba..5066d1f1d687 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -186,6 +186,34 @@ static void __init dmi_save_ident(const struct dmi_header *dm, int slot, dmi_ident[slot] = p; } +static void __init dmi_save_release(const struct dmi_header *dm, int slot, + int index) +{ + const u8 *minor, *major; + char *s; + + /* If the table doesn't have the field, let's return */ + if (dmi_ident[slot] || dm->length < index) + return; + + minor = (u8 *) dm + index; + major = (u8 *) dm + index - 1; + + /* As per the spec, if the system doesn't support this field, + * the value is FF + */ + if (*major == 0xFF && *minor == 0xFF) + return; + + s = dmi_alloc(8); + if (!s) + return; + + sprintf(s, "%u.%u", *major, *minor); + + dmi_ident[slot] = s; +} + static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int index) { @@ -444,6 +472,8 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy) dmi_save_ident(dm, DMI_BIOS_VENDOR, 4); dmi_save_ident(dm, DMI_BIOS_VERSION, 5); dmi_save_ident(dm, DMI_BIOS_DATE, 8); + dmi_save_release(dm, DMI_BIOS_RELEASE, 21); + dmi_save_release(dm, DMI_EC_FIRMWARE_RELEASE, 23); break; case 1: /* System Information */ dmi_save_ident(dm, DMI_SYS_VENDOR, 4); |