diff mbox series

ASoC: audio-graph-card: don't select DPCM via audio-graph-card

Message ID 87ef6lnq52.wl-kuninori.morimoto.gx@renesas.com (mailing list archive)
State New, archived
Headers show
Series ASoC: audio-graph-card: don't select DPCM via audio-graph-card | expand

Commit Message

Kuninori Morimoto April 2, 2019, 1:50 a.m. UTC
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

commit ae3cb5790906b ("ASoC: audio-graph-card: merge
audio-graph-scu-card") merged audio-graph-scu-card which can
handle DPCM into audio-graph-card.

By this patch, the judgement to select "normal sound card" or
"DPCM sound card" is based on its OF-graph endpoint connection.
But, because of it, existing "audio-graph-card" user who is
assuming "normal sound card" might select DPCM unintentionally.

To solve this issue, this patch allows "audio-graph-card" user
can select "normal sound card", and "audio-graph-scu-card" user
can select both "normal sound card" and "DPCM sound card".
This keeps compatibility collectry.

Reported-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 sound/soc/generic/audio-graph-card.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

Comments

Arnaud POULIQUEN April 2, 2019, 7:17 a.m. UTC | #1
Hello Kuninori,

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>


Thanks
Arnaud

On 4/2/19 3:50 AM, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> commit ae3cb5790906b ("ASoC: audio-graph-card: merge
> audio-graph-scu-card") merged audio-graph-scu-card which can
> handle DPCM into audio-graph-card.
> 
> By this patch, the judgement to select "normal sound card" or
> "DPCM sound card" is based on its OF-graph endpoint connection.
> But, because of it, existing "audio-graph-card" user who is
> assuming "normal sound card" might select DPCM unintentionally.
> 
> To solve this issue, this patch allows "audio-graph-card" user
> can select "normal sound card", and "audio-graph-scu-card" user
> can select both "normal sound card" and "DPCM sound card".
> This keeps compatibility collectry.
> 
> Reported-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
>  sound/soc/generic/audio-graph-card.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/sound/soc/generic/audio-graph-card.c
> b/sound/soc/generic/audio-graph-card.c
> index bb12351..69bc484 100644
> --- a/sound/soc/generic/audio-graph-card.c
> +++ b/sound/soc/generic/audio-graph-card.c
> @@ -20,6 +20,8 @@
>  #include <linux/string.h>
>  #include <sound/simple_card_utils.h>
>  
> +#define DPCM_SELECTABLE 1
> +
>  struct graph_priv {
>          struct snd_soc_card snd_card;
>          struct graph_dai_props {
> @@ -440,6 +442,7 @@ static int graph_for_each_link(struct graph_priv *priv,
>          struct device_node *codec_port;
>          struct device_node *codec_port_old = NULL;
>          struct asoc_simple_card_data adata;
> +       uintptr_t dpcm_selectable =
> (uintptr_t)of_device_get_match_data(dev);
>          int rc, ret;
>  
>          /* loop for all listed CPU port */
> @@ -470,8 +473,9 @@ static int graph_for_each_link(struct graph_priv *priv,
>                           * if Codec port has many endpoints,
>                           * or has convert-xxx property
>                           */
> -                       if ((of_get_child_count(codec_port) > 1) ||
> -                           adata.convert_rate || adata.convert_channels)
> +                       if (dpcm_selectable &&
> +                           ((of_get_child_count(codec_port) > 1) ||
> +                            adata.convert_rate || adata.convert_channels))
>                                  ret = func_dpcm(priv, cpu_ep, codec_ep, li,
>                                                  (codec_port_old ==
> codec_port));
>                          /* else normal sound */
> @@ -732,7 +736,8 @@ static int graph_remove(struct platform_device *pdev)
>  
>  static const struct of_device_id graph_of_match[] = {
>          { .compatible = "audio-graph-card", },
> -       { .compatible = "audio-graph-scu-card", },
> +       { .compatible = "audio-graph-scu-card",
> +         .data = (void *)DPCM_SELECTABLE },
>          {},
>  };
>  MODULE_DEVICE_TABLE(of, graph_of_match);
> -- 
> 2.7.4
>
Kuninori Morimoto April 4, 2019, 12:20 a.m. UTC | #2
Hi Mark

> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> commit ae3cb5790906b ("ASoC: audio-graph-card: merge
> audio-graph-scu-card") merged audio-graph-scu-card which can
> handle DPCM into audio-graph-card.
> 
> By this patch, the judgement to select "normal sound card" or
> "DPCM sound card" is based on its OF-graph endpoint connection.
> But, because of it, existing "audio-graph-card" user who is
> assuming "normal sound card" might select DPCM unintentionally.
> 
> To solve this issue, this patch allows "audio-graph-card" user
> can select "normal sound card", and "audio-graph-scu-card" user
> can select both "normal sound card" and "DPCM sound card".
> This keeps compatibility collectry.
> 
> Reported-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---

I didn't mention.
This patch is for v5.1

Best regards
---
Kuninori Morimoto
Fabio Estevam April 4, 2019, 12:24 a.m. UTC | #3
On Wed, Apr 3, 2019 at 9:21 PM Kuninori Morimoto
<kuninori.morimoto.gx@renesas.com> wrote:
>
>
> Hi Mark
>
> > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> >
> > commit ae3cb5790906b ("ASoC: audio-graph-card: merge
> > audio-graph-scu-card") merged audio-graph-scu-card which can
> > handle DPCM into audio-graph-card.
> >
> > By this patch, the judgement to select "normal sound card" or
> > "DPCM sound card" is based on its OF-graph endpoint connection.
> > But, because of it, existing "audio-graph-card" user who is
> > assuming "normal sound card" might select DPCM unintentionally.
> >
> > To solve this issue, this patch allows "audio-graph-card" user
> > can select "normal sound card", and "audio-graph-scu-card" user
> > can select both "normal sound card" and "DPCM sound card".
> > This keeps compatibility collectry.
> >
> > Reported-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > ---
>
> I didn't mention.
> This patch is for v5.1

Maybe you should add a Fixes tag then?
Kuninori Morimoto April 4, 2019, 12:46 a.m. UTC | #4
Hi Fabio

> > > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > >
> > > commit ae3cb5790906b ("ASoC: audio-graph-card: merge
> > > audio-graph-scu-card") merged audio-graph-scu-card which can
> > > handle DPCM into audio-graph-card.
> > >
> > > By this patch, the judgement to select "normal sound card" or
> > > "DPCM sound card" is based on its OF-graph endpoint connection.
> > > But, because of it, existing "audio-graph-card" user who is
> > > assuming "normal sound card" might select DPCM unintentionally.
> > >
> > > To solve this issue, this patch allows "audio-graph-card" user
> > > can select "normal sound card", and "audio-graph-scu-card" user
> > > can select both "normal sound card" and "DPCM sound card".
> > > This keeps compatibility collectry.
> > >
> > > Reported-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
> > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > > ---
> >
> > I didn't mention.
> > This patch is for v5.1
> 
> Maybe you should add a Fixes tag then?

Oops, indeed.
Thank you for pointing it.
I will repost patch.

Best regards
---
Kuninori Morimoto
diff mbox series

Patch

diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index bb12351..69bc484 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -20,6 +20,8 @@ 
 #include <linux/string.h>
 #include <sound/simple_card_utils.h>
 
+#define DPCM_SELECTABLE 1
+
 struct graph_priv {
 	struct snd_soc_card snd_card;
 	struct graph_dai_props {
@@ -440,6 +442,7 @@  static int graph_for_each_link(struct graph_priv *priv,
 	struct device_node *codec_port;
 	struct device_node *codec_port_old = NULL;
 	struct asoc_simple_card_data adata;
+	uintptr_t dpcm_selectable = (uintptr_t)of_device_get_match_data(dev);
 	int rc, ret;
 
 	/* loop for all listed CPU port */
@@ -470,8 +473,9 @@  static int graph_for_each_link(struct graph_priv *priv,
 			 * if Codec port has many endpoints,
 			 * or has convert-xxx property
 			 */
-			if ((of_get_child_count(codec_port) > 1) ||
-			    adata.convert_rate || adata.convert_channels)
+			if (dpcm_selectable &&
+			    ((of_get_child_count(codec_port) > 1) ||
+			     adata.convert_rate || adata.convert_channels))
 				ret = func_dpcm(priv, cpu_ep, codec_ep, li,
 						(codec_port_old == codec_port));
 			/* else normal sound */
@@ -732,7 +736,8 @@  static int graph_remove(struct platform_device *pdev)
 
 static const struct of_device_id graph_of_match[] = {
 	{ .compatible = "audio-graph-card", },
-	{ .compatible = "audio-graph-scu-card", },
+	{ .compatible = "audio-graph-scu-card",
+	  .data = (void *)DPCM_SELECTABLE },
 	{},
 };
 MODULE_DEVICE_TABLE(of, graph_of_match);