| Message ID | 20210530204410.676831-3-festevam@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] dt-bindings: adv7180: Introduce the 'reset-gpios' property | expand |
On 30.05.21 22:44, Fabio Estevam wrote: > 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> > --- > 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 2811f2c337fa..e5ef99f0460c 100644 > --- a/drivers/media/i2c/adv7180.c > +++ b/drivers/media/i2c/adv7180.c > @@ -1404,11 +1404,19 @@ 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); >
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 2811f2c337fa..e5ef99f0460c 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -1404,11 +1404,19 @@ 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);
Improve the probe message by printing the chip ID version. Signed-off-by: Fabio Estevam <festevam@gmail.com> --- drivers/media/i2c/adv7180.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)