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Subject[RFC][PATCH 4/4] drm/bridge: adv7511: Initialize audio packet on adv7533
Date
From: Andy Green <andy.green@linaro.org>

Set the initial audio packet settings to allow the audio
driver to work.

Cc: David Airlie <airlied@linux.ie>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Andy Green <andy@warmcat.com>
Cc: Dave Long <dave.long@linaro.org>
Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Andy Green <andy.green@linaro.org>
[jstultz: Forward ported to mainline, changed to use register
names rather then hex values, and removed config values set by
audio driver.]
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
drivers/gpu/drm/bridge/adv7511/adv7533.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c
index 6798ecf..cced7c9 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7533.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c
@@ -104,6 +104,28 @@ void adv7533_dsi_power_on(struct adv7511 *adv)
/* disable test mode */
regmap_write(adv->regmap_cec, 0x55, 0x00);

+ /* hide Audio infoframe updates */
+ regmap_update_bits(adv->regmap, ADV7511_REG_INFOFRAME_UPDATE,
+ BIT(5), BIT(5));
+ /* enable N/CTS, enable Audio sample packets */
+ regmap_update_bits(adv->regmap, ADV7511_REG_PACKET_ENABLE1,
+ BIT(5), BIT(5));
+ /* enable N/CTS */
+ regmap_update_bits(adv->regmap, ADV7511_REG_PACKET_ENABLE1,
+ BIT(6), BIT(6));
+ /* not copyrighted */
+ regmap_update_bits(adv->regmap, ADV7511_REG_AUDIO_CFG1,
+ BIT(5), BIT(5));
+ /* enable audio infoframes */
+ regmap_update_bits(adv->regmap, ADV7511_REG_PACKET_ENABLE1,
+ BIT(3), BIT(3));
+ /* AV mute disable */
+ regmap_update_bits(adv->regmap, ADV7511_REG_GC(0),
+ BIT(7) | BIT(6), BIT(7));
+ /* use Audio infoframe updated info */
+ regmap_update_bits(adv->regmap, ADV7511_REG_GC(1),
+ BIT(5), 0);
+
regmap_register_patch(adv->regmap_cec, adv7533_cec_fixed_registers,
ARRAY_SIZE(adv7533_cec_fixed_registers));
}
--
1.9.1
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