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[3/8] drm/bridge: dw-hdmi: set channel count in the infoframes

Message ID 20190805134102.24173-4-jbrunet@baylibre.com (mailing list archive)
State New, archived
Headers show
Series drm/bridge: dw-hdmi: improve i2s support | expand

Commit Message

Jerome Brunet Aug. 5, 2019, 1:40 p.m. UTC 
Set the number of channel in the infoframes

Cc: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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);