The S/PDIF input asks for a greater audio clock divider.
Signed-off-by: Jean-Francois Moine <moinejf at 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;
--
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