[PATCH 3/8] drm/bridge: dw-hdmi: set channel count in the infoframes
Jerome Brunet
jbrunet at baylibre.com
Mon Aug 5 13:40:57 UTC 2019
Set the number of channel in the infoframes
Cc: Jonas Karlman <jonas at kwiboo.se>
Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index be6d6819bef4..bed4bb017afd 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -663,6 +663,10 @@ void dw_hdmi_set_channel_count(struct dw_hdmi *hdmi, unsigned int cnt)
hdmi_modb(hdmi, layout, HDMI_FC_AUDSCONF_AUD_PACKET_LAYOUT_MASK,
HDMI_FC_AUDSCONF);
+ /* Set the audio infoframes channel count */
+ hdmi_modb(hdmi, (cnt - 1) << HDMI_FC_AUDICONF0_CC_OFFSET,
+ HDMI_FC_AUDICONF0_CC_MASK, HDMI_FC_AUDICONF0);
+
mutex_unlock(&hdmi->audio_mutex);
}
EXPORT_SYMBOL_GPL(dw_hdmi_set_channel_count);
--
2.21.0
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