diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c index d93ad730d633..162b49046990 100644 --- a/drivers/media/i2c/ov13858.c +++ b/drivers/media/i2c/ov13858.c @@ -2,6 +2,7 @@ // Copyright (c) 2017 Intel Corporation. #include +#include #include #include #include @@ -1029,6 +1030,7 @@ static const struct ov13858_mode supported_modes[] = { struct ov13858 { struct device *dev; + struct clk *clk; struct v4l2_subdev sd; struct media_pad pad; @@ -1656,12 +1658,8 @@ static void ov13858_free_controls(struct ov13858 *ov13858) static int ov13858_probe(struct i2c_client *client) { struct ov13858 *ov13858; + unsigned long freq; int ret; - u32 val = 0; - - device_property_read_u32(&client->dev, "clock-frequency", &val); - if (val != 19200000) - return -EINVAL; ov13858 = devm_kzalloc(&client->dev, sizeof(*ov13858), GFP_KERNEL); if (!ov13858) @@ -1669,6 +1667,17 @@ static int ov13858_probe(struct i2c_client *client) ov13858->dev = &client->dev; + ov13858->clk = devm_v4l2_sensor_clk_get(ov13858->dev, NULL); + if (IS_ERR(ov13858->clk)) + return dev_err_probe(ov13858->dev, PTR_ERR(ov13858->clk), + "failed to get clock\n"); + + freq = clk_get_rate(ov13858->clk); + if (freq != 19200000) + return dev_err_probe(ov13858->dev, -EINVAL, + "external clock %lu is not supported\n", + freq); + /* Initialize subdev */ v4l2_i2c_subdev_init(&ov13858->sd, client, &ov13858_subdev_ops);