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Message-Id: <20190812120726.1528-4-jbrunet@baylibre.com>
Date: Mon, 12 Aug 2019 14:07:21 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Andrzej Hajda <a.hajda@...sung.com>,
Neil Armstrong <narmstrong@...libre.com>
Cc: Jerome Brunet <jbrunet@...libre.com>,
Kevin Hilman <khilman@...libre.com>,
Jonas Karlman <jonas@...boo.se>,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 3/8] drm/bridge: dw-hdmi: set channel count in the infoframes
Set the number of channel in the infoframes
Reviewed-by: Jonas Karlman <jonas@...boo.se>
Signed-off-by: Jerome Brunet <jbrunet@...libre.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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