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path: root/drivers/hid/i2c-hid/i2c-hid.c
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Diffstat (limited to 'drivers/hid/i2c-hid/i2c-hid.c')
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c70
1 files changed, 35 insertions, 35 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index c1652bb7bd15..f3076659361a 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -170,8 +170,6 @@ static const struct i2c_hid_quirks {
I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
- { I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_3118,
- I2C_HID_QUIRK_RESEND_REPORT_DESCR },
{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS10FB_TOUCH,
I2C_HID_QUIRK_RESEND_REPORT_DESCR },
{ 0, 0 }
@@ -484,7 +482,7 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
return;
}
- if ((ret_size > size) || (ret_size <= 2)) {
+ if ((ret_size > size) || (ret_size < 2)) {
dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
__func__, size, ret_size);
return;
@@ -1002,18 +1000,18 @@ static int i2c_hid_probe(struct i2c_client *client,
return client->irq;
}
- ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL);
+ ihid = devm_kzalloc(&client->dev, sizeof(*ihid), GFP_KERNEL);
if (!ihid)
return -ENOMEM;
if (client->dev.of_node) {
ret = i2c_hid_of_probe(client, &ihid->pdata);
if (ret)
- goto err;
+ return ret;
} else if (!platform_data) {
ret = i2c_hid_acpi_pdata(client, &ihid->pdata);
if (ret)
- goto err;
+ return ret;
} else {
ihid->pdata = *platform_data;
}
@@ -1021,21 +1019,20 @@ static int i2c_hid_probe(struct i2c_client *client,
/* Parse platform agnostic common properties from ACPI / device tree */
i2c_hid_fwnode_probe(client, &ihid->pdata);
- ihid->pdata.supply = devm_regulator_get(&client->dev, "vdd");
- if (IS_ERR(ihid->pdata.supply)) {
- ret = PTR_ERR(ihid->pdata.supply);
- if (ret != -EPROBE_DEFER)
- dev_err(&client->dev, "Failed to get regulator: %d\n",
- ret);
- goto err;
- }
+ ihid->pdata.supplies[0].supply = "vdd";
+ ihid->pdata.supplies[1].supply = "vddl";
+
+ ret = devm_regulator_bulk_get(&client->dev,
+ ARRAY_SIZE(ihid->pdata.supplies),
+ ihid->pdata.supplies);
+ if (ret)
+ return ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ihid->pdata.supplies),
+ ihid->pdata.supplies);
+ if (ret < 0)
+ return ret;
- ret = regulator_enable(ihid->pdata.supply);
- if (ret < 0) {
- dev_err(&client->dev, "Failed to enable regulator: %d\n",
- ret);
- goto err;
- }
if (ihid->pdata.post_power_delay_ms)
msleep(ihid->pdata.post_power_delay_ms);
@@ -1122,11 +1119,9 @@ err_pm:
pm_runtime_disable(&client->dev);
err_regulator:
- regulator_disable(ihid->pdata.supply);
-
-err:
+ regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
+ ihid->pdata.supplies);
i2c_hid_free_buffers(ihid);
- kfree(ihid);
return ret;
}
@@ -1148,9 +1143,8 @@ static int i2c_hid_remove(struct i2c_client *client)
if (ihid->bufsize)
i2c_hid_free_buffers(ihid);
- regulator_disable(ihid->pdata.supply);
-
- kfree(ihid);
+ regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
+ ihid->pdata.supplies);
return 0;
}
@@ -1201,9 +1195,8 @@ static int i2c_hid_suspend(struct device *dev)
hid_warn(hid, "Failed to enable irq wake: %d\n",
wake_status);
} else {
- ret = regulator_disable(ihid->pdata.supply);
- if (ret < 0)
- hid_warn(hid, "Failed to disable supply: %d\n", ret);
+ regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
+ ihid->pdata.supplies);
}
return 0;
@@ -1218,9 +1211,11 @@ static int i2c_hid_resume(struct device *dev)
int wake_status;
if (!device_may_wakeup(&client->dev)) {
- ret = regulator_enable(ihid->pdata.supply);
- if (ret < 0)
- hid_warn(hid, "Failed to enable supply: %d\n", ret);
+ ret = regulator_bulk_enable(ARRAY_SIZE(ihid->pdata.supplies),
+ ihid->pdata.supplies);
+ if (ret)
+ hid_warn(hid, "Failed to enable supplies: %d\n", ret);
+
if (ihid->pdata.post_power_delay_ms)
msleep(ihid->pdata.post_power_delay_ms);
} else if (ihid->irq_wake_enabled) {
@@ -1238,11 +1233,16 @@ static int i2c_hid_resume(struct device *dev)
pm_runtime_enable(dev);
enable_irq(client->irq);
- ret = i2c_hid_hwreset(client);
+
+ /* Instead of resetting device, simply powers the device on. This
+ * solves "incomplete reports" on Raydium devices 2386:3118 and
+ * 2386:4B33
+ */
+ ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
if (ret)
return ret;
- /* RAYDIUM device (2386:3118) need to re-send report descr cmd
+ /* Some devices need to re-send report descr cmd
* after resume, after this it will be back normal.
* otherwise it issues too many incomplete reports.
*/