From 17a1e555b608a847c903e093718d0a768843c586 Mon Sep 17 00:00:00 2001
From: Jerome Brunet <jbrunet@baylibre.com>
Date: Mon, 12 Aug 2019 14:07:22 +0200
Subject: drm/bridge: dw-hdmi-i2s: enable lpcm multi channels
Git-commit: 17a1e555b608a847c903e093718d0a768843c586
Patch-mainline: v5.4-rc1
References: bsc#1152472
Properly setup the channel count and layout in dw-hdmi i2s driver so
we are not limited to 2 channels.
Also correct the maximum channel reported by the DAI from 6 to 8 ch
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/20190812120726.1528-5-jbrunet@baylibre.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
index 2b624cff541d..caf8aed78fea 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
@@ -84,6 +84,7 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data,
}
dw_hdmi_set_sample_rate(hdmi, hparms->sample_rate);
+ dw_hdmi_set_channel_count(hdmi, hparms->channels);
hdmi_write(audio, inputclkfs, HDMI_AUD_INPUTCLKFS);
hdmi_write(audio, conf0, HDMI_AUD_CONF0);
@@ -139,7 +140,7 @@ static int snd_dw_hdmi_probe(struct platform_device *pdev)
pdata.ops = &dw_hdmi_i2s_ops;
pdata.i2s = 1;
- pdata.max_i2s_channels = 6;
+ pdata.max_i2s_channels = 8;
pdata.data = audio;
memset(&pdevinfo, 0, sizeof(pdevinfo));
--
2.28.0