Patch "HID: amd_sfh: Handle "no sensors" in PM operations" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    HID: amd_sfh: Handle "no sensors" in PM operations

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hid-amd_sfh-handle-no-sensors-in-pm-operations.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 139fa52bb085b1eaf0783591c80aa0dfb2efd4d3
Author: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx>
Date:   Tue May 7 12:40:44 2024 +0530

    HID: amd_sfh: Handle "no sensors" in PM operations
    
    [ Upstream commit 077e3e3bc84a51891e732507bbbd9acf6e0e4c8b ]
    
    Resume or suspend each sensor device based on the num_hid_devices.
    Therefore, add a check to handle the special case where no sensors are
    present.
    
    Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality")
    Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx>
    Signed-off-by: Jiri Kosina <jkosina@xxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
index e9c6413af24a0..862ca8d072326 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
@@ -210,6 +210,11 @@ static void amd_sfh_resume(struct amd_mp2_dev *mp2)
 	struct amd_mp2_sensor_info info;
 	int i, status;
 
+	if (!cl_data->is_any_sensor_enabled) {
+		amd_sfh_clear_intr(mp2);
+		return;
+	}
+
 	for (i = 0; i < cl_data->num_hid_devices; i++) {
 		if (cl_data->sensor_sts[i] == SENSOR_DISABLED) {
 			info.sensor_idx = cl_data->sensor_idx[i];
@@ -235,6 +240,11 @@ static void amd_sfh_suspend(struct amd_mp2_dev *mp2)
 	struct amdtp_cl_data *cl_data = mp2->cl_data;
 	int i, status;
 
+	if (!cl_data->is_any_sensor_enabled) {
+		amd_sfh_clear_intr(mp2);
+		return;
+	}
+
 	for (i = 0; i < cl_data->num_hid_devices; i++) {
 		if (cl_data->sensor_idx[i] != HPD_IDX &&
 		    cl_data->sensor_sts[i] == SENSOR_ENABLED) {




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