diff options
| author | Fabio Estevam <festevam@gmail.com> | 2021-05-31 13:22:37 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-07-22 11:40:46 +0200 |
| commit | f7b96a9f350c95495ebdba55780b4a63aa677a64 (patch) | |
| tree | 48c36f43b75f858790f6b2a117f539ebdb9e47a2 /drivers/media/i2c/adv7180.c | |
| parent | abb7c7c2f025e5f5f80359809e5c73549614306b (diff) | |
media: i2c: adv7180: Print the chip ID on probe
Improve the probe message by printing the chip ID version.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c/adv7180.c')
| -rw-r--r-- | drivers/media/i2c/adv7180.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 83690d42a0c3..81dd9eba19ba 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); |