diff options
Diffstat (limited to 'drivers/hid/i2c-hid/i2c-hid.c')
-rw-r--r-- | drivers/hid/i2c-hid/i2c-hid.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index 2ce194a84868..4e3592e7a3f7 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -47,7 +47,7 @@ /* quirks to control the device */ #define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0) #define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1) -#define I2C_HID_QUIRK_RESEND_REPORT_DESCR BIT(2) +#define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(2) /* flags */ #define I2C_HID_STARTED 0 @@ -169,11 +169,8 @@ static const struct i2c_hid_quirks { { USB_VENDOR_ID_WEIDA, USB_DEVICE_ID_WEIDA_8755, 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 }, + I2C_HID_QUIRK_NO_IRQ_AFTER_RESET | + I2C_HID_QUIRK_NO_RUNTIME_PM }, { 0, 0 } }; @@ -1107,7 +1104,9 @@ static int i2c_hid_probe(struct i2c_client *client, goto err_mem_free; } - pm_runtime_put(&client->dev); + if (!(ihid->quirks & I2C_HID_QUIRK_NO_RUNTIME_PM)) + pm_runtime_put(&client->dev); + return 0; err_mem_free: @@ -1132,7 +1131,8 @@ static int i2c_hid_remove(struct i2c_client *client) struct i2c_hid *ihid = i2c_get_clientdata(client); struct hid_device *hid; - pm_runtime_get_sync(&client->dev); + if (!(ihid->quirks & I2C_HID_QUIRK_NO_RUNTIME_PM)) + pm_runtime_get_sync(&client->dev); pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); pm_runtime_put_noidle(&client->dev); @@ -1235,19 +1235,15 @@ static int i2c_hid_resume(struct device *dev) pm_runtime_enable(dev); enable_irq(client->irq); - ret = i2c_hid_hwreset(client); - if (ret) - return ret; - /* RAYDIUM device (2386:3118) need to re-send report descr cmd - * after resume, after this it will be back normal. - * otherwise it issues too many incomplete reports. + /* Instead of resetting device, simply powers the device on. This + * solves "incomplete reports" on Raydium devices 2386:3118 and + * 2386:4B33 and fixes various SIS touchscreens no longer sending + * data after a suspend/resume. */ - if (ihid->quirks & I2C_HID_QUIRK_RESEND_REPORT_DESCR) { - ret = i2c_hid_command(client, &hid_report_descr_cmd, NULL, 0); - if (ret) - return ret; - } + ret = i2c_hid_set_power(client, I2C_HID_PWR_ON); + if (ret) + return ret; if (hid->driver && hid->driver->reset_resume) { ret = hid->driver->reset_resume(hid); |