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author | Manyi Li <limanyi@uniontech.com> | 2022-06-22 15:42:48 +0800 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-06-29 19:52:00 +0200 |
commit | 4b7ef7b05afcde44142225c184bf43a0cd9e2178 (patch) | |
tree | e57c61b169dfd86e8a85484756e880f001d159a7 /drivers/acpi/sleep.c | |
parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
download | linux-4b7ef7b05afcde44142225c184bf43a0cd9e2178.tar.gz linux-4b7ef7b05afcde44142225c184bf43a0cd9e2178.tar.bz2 linux-4b7ef7b05afcde44142225c184bf43a0cd9e2178.zip |
ACPI: PM: save NVS memory for Lenovo G40-45
[821d6f0359b0614792ab8e2fb93b503e25a65079] is to make machines
produced from 2012 to now not saving NVS region to accelerate S3.
But, Lenovo G40-45, a platform released in 2015, still needs NVS memory
saving during S3. A quirk is introduced for this platform.
Signed-off-by: Manyi Li <limanyi@uniontech.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r-- | drivers/acpi/sleep.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 04ea1569df78..974746e6e59d 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -360,6 +360,14 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "80E3"), }, }, + { + .callback = init_nvs_save_s3, + .ident = "Lenovo G40-45", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "80E1"), + }, + }, /* * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using * the Low Power S0 Idle firmware interface (see |