sensors: brcm: fix not to send commands to not initialized mcu

The suspend and resume errors happen when sensorhub mcu was not
initialized. So it needs to check the sensorhub mcu state.

Change-Id: I7d738d2316bbe20922df39c6ddfdf3573bc8984d
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>

diff --git a/drivers/sensors/brcm/ssp_dev.c b/drivers/sensors/brcm/ssp_dev.c
index 3aab02f..2f58170 100644 (file)
--- a/drivers/sensors/brcm/ssp_dev.c
+++ b/drivers/sensors/brcm/ssp_dev.c
@@ -491,6 +491,9 @@ static int ssp_suspend(struct device *dev)
        struct spi_device *spi = to_spi_device(dev);
        struct ssp_data *data = spi_get_drvdata(spi);
 
+       if (data->uSensorState == NORMAL_SENSOR_STATE_K)
+               return 0;
+
        func_dbg();
 
        if (SUCCESS != ssp_send_cmd(data, MSG2SSP_AP_STATUS_SUSPEND, 0))
@@ -511,6 +514,9 @@ static int ssp_resume(struct device *dev)
        struct spi_device *spi = to_spi_device(dev);
        struct ssp_data *data = spi_get_drvdata(spi);
 
+       if (data->uSensorState == NORMAL_SENSOR_STATE_K)
+               return 0;
+
        func_dbg();
        enable_debug_timer(data);