From: moinejf@free.fr (Jean-Francois Moine)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 27/28] drm/i2c: tda998x: adjust the audio clock divider for S/PDIF
Date: Thu, 9 Jan 2014 12:07:35 +0100 [thread overview]
Message-ID: <20140109120735.7ee3d672@armhf> (raw)
The S/PDIF input asks for a greater audio clock divider.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index d3b3f3a..67d7450 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -757,6 +757,10 @@ tda998x_configure_audio(struct tda998x_priv *priv,
AIP_CNTRL_0_ACR_MAN);
reg_write(priv, REG_CTS_N, cts_n);
+ /* S/PDIF asks for a large divider */
+ if (priv->audio_type == (AFMT_SPDIF | AUDIO_ACTIVE))
+ adiv = AUDIO_DIV_SERCLK_32;
+
/*
* Audio input somehow depends on HDMI line rate which is
* related to pixclk. Testing showed that modes with pixclk
@@ -764,7 +768,7 @@ tda998x_configure_audio(struct tda998x_priv *priv,
* There is no detailed info in the datasheet, so we just
* assume 100MHz requires larger divider.
*/
- if (mode->clock > 100000)
+ else if (mode->clock > 100000)
adiv = AUDIO_DIV_SERCLK_16;
else
adiv = AUDIO_DIV_SERCLK_8;
--
Ken ar c'henta? | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
WARNING: multiple messages have this Message-ID (diff)
From: Jean-Francois Moine <moinejf@free.fr>
To: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 27/28] drm/i2c: tda998x: adjust the audio clock divider for S/PDIF
Date: Thu, 9 Jan 2014 12:07:35 +0100 [thread overview]
Message-ID: <20140109120735.7ee3d672@armhf> (raw)
The S/PDIF input asks for a greater audio clock divider.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index d3b3f3a..67d7450 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -757,6 +757,10 @@ tda998x_configure_audio(struct tda998x_priv *priv,
AIP_CNTRL_0_ACR_MAN);
reg_write(priv, REG_CTS_N, cts_n);
+ /* S/PDIF asks for a large divider */
+ if (priv->audio_type == (AFMT_SPDIF | AUDIO_ACTIVE))
+ adiv = AUDIO_DIV_SERCLK_32;
+
/*
* Audio input somehow depends on HDMI line rate which is
* related to pixclk. Testing showed that modes with pixclk
@@ -764,7 +768,7 @@ tda998x_configure_audio(struct tda998x_priv *priv,
* There is no detailed info in the datasheet, so we just
* assume 100MHz requires larger divider.
*/
- if (mode->clock > 100000)
+ else if (mode->clock > 100000)
adiv = AUDIO_DIV_SERCLK_16;
else
adiv = AUDIO_DIV_SERCLK_8;
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
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dri-devel@lists.freedesktop.org
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WARNING: multiple messages have this Message-ID (diff)
From: Jean-Francois Moine <moinejf@free.fr>
To: dri-devel@lists.freedesktop.org
Cc: Dave Airlie <airlied@gmail.com>, Rob Clark <robdclark@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 27/28] drm/i2c: tda998x: adjust the audio clock divider for S/PDIF
Date: Thu, 9 Jan 2014 12:07:35 +0100 [thread overview]
Message-ID: <20140109120735.7ee3d672@armhf> (raw)
The S/PDIF input asks for a greater audio clock divider.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index d3b3f3a..67d7450 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -757,6 +757,10 @@ tda998x_configure_audio(struct tda998x_priv *priv,
AIP_CNTRL_0_ACR_MAN);
reg_write(priv, REG_CTS_N, cts_n);
+ /* S/PDIF asks for a large divider */
+ if (priv->audio_type == (AFMT_SPDIF | AUDIO_ACTIVE))
+ adiv = AUDIO_DIV_SERCLK_32;
+
/*
* Audio input somehow depends on HDMI line rate which is
* related to pixclk. Testing showed that modes with pixclk
@@ -764,7 +768,7 @@ tda998x_configure_audio(struct tda998x_priv *priv,
* There is no detailed info in the datasheet, so we just
* assume 100MHz requires larger divider.
*/
- if (mode->clock > 100000)
+ else if (mode->clock > 100000)
adiv = AUDIO_DIV_SERCLK_16;
else
adiv = AUDIO_DIV_SERCLK_8;
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
next reply other threads:[~2014-01-09 11:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-09 11:07 Jean-Francois Moine [this message]
2014-01-09 11:07 ` [PATCH v2 27/28] drm/i2c: tda998x: adjust the audio clock divider for S/PDIF Jean-Francois Moine
2014-01-09 11:07 ` Jean-Francois Moine
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