File 0080-drm-tilcdc-Add-I2C-HDMI-audio-config-for-tda998x.patch of Package kernel-adaptation-bbb-v3.12

From b9e527c2bbbd4c92bcb77e52955cee4d807080e7 Mon Sep 17 00:00:00 2001
From: Jyri Sarha <jsarha@ti.com>
Date: Mon, 11 Nov 2013 21:10:31 +0200
Subject: [PATCH 80/96] drm/tilcdc: Add I2C HDMI audio config for tda998x

The configuration is needed for HDMI audio. The "swap" and "mirr"
parameters have to be correctly set in the configuration in order to
have proper colors in the HDMI picture.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_slave.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave.c b/drivers/gpu/drm/tilcdc/tilcdc_slave.c
index 6259c56..d2c21d2 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_slave.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_slave.c
@@ -19,6 +19,7 @@
 #include <linux/pinctrl/pinmux.h>
 #include <linux/pinctrl/consumer.h>
 #include <drm/drm_encoder_slave.h>
+#include <drm/i2c/tda998x.h>
 
 #include "tilcdc_drv.h"
 
@@ -101,8 +102,29 @@ static const struct drm_encoder_helper_funcs slave_encoder_helper_funcs = {
 		.restore        = drm_i2c_encoder_restore,
 };
 
+static struct tda998x_encoder_params tda998x_pdata = {
+	.swap_b = 0x3,
+	.mirr_b = 0x0,
+	.swap_a = 0x2,
+	.mirr_a = 0x0,
+	.swap_d = 0x1,
+	.mirr_d = 0x0,
+	.swap_c = 0x0,
+	.mirr_c = 0x0,
+	.swap_f = 0x5,
+	.mirr_f = 0x0,
+	.swap_e = 0x4,
+	.mirr_e = 0x0,
+	.audio_cfg = 0x3,	/* I2S mode */
+	.audio_clk_cfg = 1,	/* select clock pin */
+	.audio_frame[1] = 1,	/* channels - 1 */
+	.audio_format = AFMT_I2S,
+	.audio_sample_rate = 48000,
+};
+
 static const struct i2c_board_info info = {
-		I2C_BOARD_INFO("tda998x", 0x70)
+		I2C_BOARD_INFO("tda998x", 0x70),
+		.platform_data = &tda998x_pdata,
 };
 
 static struct drm_encoder *slave_encoder_create(struct drm_device *dev,
-- 
1.9.1