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HID: amd_sfh: Add support for shutdown operation

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[ Upstream commit 1353ecaf18 ]

As soon as the system is booted after shutdown, the sensors may remain in
a weird state and fail to initialize. Therefore, all sensors should be
turned off during shutdown.

Fixes: 4f567b9f81 ("SFH: PCIe driver to add support of AMD sensor fusion hub")
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Basavaraj Natikar
2023-04-11 21:40:27 +05:30
committed by Greg Kroah-Hartman
parent b711dd0ba9
commit db6f1b2bba
1 changed files with 9 additions and 0 deletions
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9
drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
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@@ -351,6 +351,14 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
return devm_add_action_or_reset(&pdev->dev, amd_mp2_pci_remove, privdata);
}
static void amd_sfh_shutdown(struct pci_dev *pdev)
{
struct amd_mp2_dev *mp2 = pci_get_drvdata(pdev);
if (mp2 && mp2->mp2_ops)
mp2->mp2_ops->stop_all(mp2);
}
static int __maybe_unused amd_mp2_pci_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -420,6 +428,7 @@ static struct pci_driver amd_mp2_pci_driver = {
.id_table = amd_mp2_pci_tbl,
.probe = amd_mp2_pci_probe,
.driver.pm = &amd_mp2_pm_ops,
.shutdown = amd_sfh_shutdown,
};
module_pci_driver(amd_mp2_pci_driver);