[PATCH] ASoC: dpcm: remove confusing trace in dpcm_get_be()

[PATCH] ASoC: dpcm: remove confusing trace in dpcm_get_be()

[Jerome Brunet]

Now that dpcm_get_be() is used in dpcm_end_walk_at_be(), it is not a error
if this function does not find a BE for the provided widget. Remove the
related dev_err() trace which is confusing since things might be working
as expected.

When called from dpcm_add_paths(), it is an error if dpcm_get_be() fails to
find a BE for the provided widget. The necessary error trace is already
done in this case.

Fixes: 027a48387183 ("ASoC: soc-pcm: use dpcm_get_be() at dpcm_end_walk_at_be()")
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 sound/soc/soc-pcm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 63f67eb7c077..aff27c8599ef 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1270,9 +1270,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 		}
 	}
 
-	/* dai link name and stream name set correctly ? */
-	dev_err(card->dev, "ASoC: can't get %s BE for %s\n",
-		stream ? "capture" : "playback", widget->name);
+	/* Widget provided is not a BE */
 	return NULL;
 }
 
-- 
2.24.1

Re: [PATCH] ASoC: dpcm: remove confusing trace in dpcm_get_be()

[Pierre-Louis Bossart]

On 2/19/20 5:50 AM, Jerome Brunet wrote:
> Now that dpcm_get_be() is used in dpcm_end_walk_at_be(), it is not a error
> if this function does not find a BE for the provided widget. Remove the
> related dev_err() trace which is confusing since things might be working
> as expected.
> 
> When called from dpcm_add_paths(), it is an error if dpcm_get_be() fails to
> find a BE for the provided widget. The necessary error trace is already
> done in this case.
> 
> Fixes: 027a48387183 ("ASoC: soc-pcm: use dpcm_get_be() at dpcm_end_walk_at_be()")
> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

Good catch, this error log is indeed unnecessary, I see more than 30 
lines of 'can't get capture/playback BE' for all the non-BE widgets in 
our topologies (PCM, buffers, PGA, EQ, etc).

Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

> ---
>   sound/soc/soc-pcm.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
> index 63f67eb7c077..aff27c8599ef 100644
> --- a/sound/soc/soc-pcm.c
> +++ b/sound/soc/soc-pcm.c
> @@ -1270,9 +1270,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
>   		}
>   	}
>   
> -	/* dai link name and stream name set correctly ? */
> -	dev_err(card->dev, "ASoC: can't get %s BE for %s\n",
> -		stream ? "capture" : "playback", widget->name);
> +	/* Widget provided is not a BE */
>   	return NULL;
>   }
>   
> 

Re: [PATCH] ASoC: dpcm: remove confusing trace in dpcm_get_be()

[Kuninori Morimoto]

Hi Jerome

Thank you for your patch

> Now that dpcm_get_be() is used in dpcm_end_walk_at_be(), it is not a error
> if this function does not find a BE for the provided widget. Remove the
> related dev_err() trace which is confusing since things might be working
> as expected.
> 
> When called from dpcm_add_paths(), it is an error if dpcm_get_be() fails to
> find a BE for the provided widget. The necessary error trace is already
> done in this case.
> 
> Fixes: 027a48387183 ("ASoC: soc-pcm: use dpcm_get_be() at dpcm_end_walk_at_be()")
> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Thank you for your help !!
Best regards
---
Kuninori Morimoto

Applied "ASoC: dpcm: remove confusing trace in dpcm_get_be()" to the asoc tree

[Mark Brown]

The patch

   ASoC: dpcm: remove confusing trace in dpcm_get_be()

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From 9d6ee3656a9fbfe906be5ce6f828f1639da1ee7f Mon Sep 17 00:00:00 2001
From: Jerome Brunet <jbrunet@baylibre.com>
Date: Wed, 19 Feb 2020 12:50:48 +0100
Subject: [PATCH] ASoC: dpcm: remove confusing trace in dpcm_get_be()

Now that dpcm_get_be() is used in dpcm_end_walk_at_be(), it is not a error
if this function does not find a BE for the provided widget. Remove the
related dev_err() trace which is confusing since things might be working
as expected.

When called from dpcm_add_paths(), it is an error if dpcm_get_be() fails to
find a BE for the provided widget. The necessary error trace is already
done in this case.

Fixes: 027a48387183 ("ASoC: soc-pcm: use dpcm_get_be() at dpcm_end_walk_at_be()")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20200219115048.934678-1-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 sound/soc/soc-pcm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 63f67eb7c077..aff27c8599ef 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1270,9 +1270,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 		}
 	}
 
-	/* dai link name and stream name set correctly ? */
-	dev_err(card->dev, "ASoC: can't get %s BE for %s\n",
-		stream ? "capture" : "playback", widget->name);
+	/* Widget provided is not a BE */
 	return NULL;
 }
 
-- 
2.20.1