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drm/bridge: dw-hdmi: set channel count in the infoframes 

Set the number of channel in the infoframes

Reviewed-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190812120726.1528-4-jbrunet@baylibre.com
This commit is contained in:
Jerome Brunet 2019-08-12 14:07:21 +02:00 committed by Neil Armstrong
parent 2a2a3d2ff7
commit da5f5bc92f
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@ -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);