The S/PDIF input asks for a greater audio clock divider.

Signed-off-by: Jean-Francois Moine <moin...@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 0716a75..06c484d 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -707,6 +707,10 @@ tda998x_configure_audio(struct tda998x_priv *priv,
        reg_write(priv, REG_CTS_N, cts_n);
        reg_write(priv, REG_ENA_ACLK, aclk);
 
+       /* S/PDIF asks for a large divider */
+       if (priv->audio_format == AFMT_SPDIF)
+               adiv = AUDIO_DIV_SERCLK_32;
+
        /*
         * Audio input somehow depends on HDMI line rate which is
         * related to pixclk. Testing showed that modes with pixclk
@@ -714,7 +718,7 @@ 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;
-- 
1.8.5.3
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