diff options
| author | Adam Lee <adam.lee@canonical.com> | 2015-02-11 08:43:10 +0300 |
|---|---|---|
| committer | Darren Hart <dvhart@linux.intel.com> | 2015-02-12 07:34:01 +0300 |
| commit | 1b0eb5bc241354aa854671fdf02132d2d1452bdf (patch) | |
| tree | af7f502f060aa261252ad4efaac4c9a3b1c6acbc /drivers/platform | |
| parent | 67ab62481cf8d82a6bcbc4a8e6e3fd25e39bcba0 (diff) | |
| download | linux-1b0eb5bc241354aa854671fdf02132d2d1452bdf.tar.xz | |
thinkpad_acpi: support new BIOS version string pattern
Latest ThinkPad models use a new string pattern of BIOS version,
thinkpad_acpi won't be loaded automatically without this fix.
Signed-off-by: Adam Lee <adam.lee@canonical.com>
Intentatation cleanup.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index bccd449d6152..3b8ceee7c5cb 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -8885,17 +8885,31 @@ static bool __pure __init tpacpi_is_fw_digit(const char c) return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z'); } -/* Most models: xxyTkkWW (#.##c); Ancient 570/600 and -SL lacks (#.##c) */ static bool __pure __init tpacpi_is_valid_fw_id(const char * const s, const char t) { - return s && strlen(s) >= 8 && + /* + * Most models: xxyTkkWW (#.##c) + * Ancient 570/600 and -SL lacks (#.##c) + */ + if (s && strlen(s) >= 8 && tpacpi_is_fw_digit(s[0]) && tpacpi_is_fw_digit(s[1]) && s[2] == t && (s[3] == 'T' || s[3] == 'N') && tpacpi_is_fw_digit(s[4]) && - tpacpi_is_fw_digit(s[5]); + tpacpi_is_fw_digit(s[5])) + return true; + + /* New models: xxxyTkkW (#.##c); T550 and some others */ + return s && strlen(s) >= 8 && + tpacpi_is_fw_digit(s[0]) && + tpacpi_is_fw_digit(s[1]) && + tpacpi_is_fw_digit(s[2]) && + s[3] == t && + (s[4] == 'T' || s[4] == 'N') && + tpacpi_is_fw_digit(s[5]) && + tpacpi_is_fw_digit(s[6]); } /* returns 0 - probe ok, or < 0 - probe error. |