Improve the probe message by printing the chip ID version. Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx> Reviewed-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx> --- Changes since v1: - Added Frieder's Reviewed-by tag. drivers/media/i2c/adv7180.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 2890041cc231..4f99b46e7eaa 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -1415,11 +1415,19 @@ static int adv7180_probe(struct i2c_client *client, if (ret) goto err_free_irq; - v4l_info(client, "chip found @ 0x%02x (%s)\n", - client->addr, client->adapter->name); + mutex_lock(&state->mutex); + ret = adv7180_read(state, ADV7180_REG_IDENT); + mutex_unlock(&state->mutex); + if (ret < 0) + goto err_v4l2_async_unregister; + + v4l_info(client, "chip id 0x%x found @ 0x%02x (%s)\n", + ret, client->addr, client->adapter->name); return 0; +err_v4l2_async_unregister: + v4l2_async_unregister_subdev(sd); err_free_irq: if (state->irq > 0) free_irq(client->irq, state); -- 2.25.1
