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Allwinner: Add fixes for color range and regulators

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This commit is contained in:
Jernej Skrabec 2019-07-06 12:24:09 +02:00
parent b94b117c27
commit f6306fd2f9
2 changed files with 492 additions and 0 deletions
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417
projects/Allwinner/patches/linux/0013-color-range-encoding.patch Normal file
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@ -0,0 +1,417 @@
From fc81bf6b49bea503653e5cdba5392ffd878c1453 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Thu, 27 Jun 2019 19:30:44 +0200
Subject: [PATCH 1/4] drm/sun4i: Introduce color encoding and range properties
In order to correctly convert YUV color space to RGB, we have to know
color encoding and range.
Introduce these two properties using helper method.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index bd0e6a52d1d8..240a800217df 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -441,6 +441,7 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
struct sun8i_mixer *mixer,
int index)
{
+ u32 supported_encodings, supported_ranges;
struct sun8i_vi_layer *layer;
unsigned int plane_cnt;
int ret;
@@ -469,6 +470,22 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
return ERR_PTR(ret);
}
+ supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) |
+ BIT(DRM_COLOR_YCBCR_BT709);
+
+ supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
+ BIT(DRM_COLOR_YCBCR_FULL_RANGE);
+
+ ret = drm_plane_create_color_properties(&layer->plane,
+ supported_encodings,
+ supported_ranges,
+ DRM_COLOR_YCBCR_BT709,
+ DRM_COLOR_YCBCR_LIMITED_RANGE);
+ if (ret) {
+ dev_err(drm->dev, "Couldn't add encoding and range properties!\n");
+ return ERR_PTR(ret);
+ }
+
drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs);
layer->mixer = mixer;
layer->channel = index;
--
2.22.0
From 0067d439358510393ac42d454a2c9efee2546cd9 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Thu, 27 Jun 2019 19:33:54 +0200
Subject: [PATCH 2/4] drm/sun4i: sun8i_csc: Simplify register writes
It turns out addition of 0x200 to constant parts (+0.5) is not really
necessary. Besides, we can consider that before and fix value in CSC
matrix.
This simplifies register writes quiet a bit.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/gpu/drm/sun4i/sun8i_csc.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.c b/drivers/gpu/drm/sun4i/sun8i_csc.c
index b8c059f1a118..e07b7876d89b 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.c
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.c
@@ -69,7 +69,7 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
enum sun8i_csc_mode mode)
{
const u32 *table;
- int i, data;
+ u32 base_reg;
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
@@ -83,13 +83,8 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
return;
}
- for (i = 0; i < 12; i++) {
- data = table[i];
- /* For some reason, 0x200 must be added to constant parts */
- if (((i + 1) & 3) == 0)
- data += 0x200;
- regmap_write(map, SUN8I_CSC_COEFF(base, i), data);
- }
+ base_reg = SUN8I_CSC_COEFF(base, 0);
+ regmap_bulk_write(map, base_reg, table, 12);
}
static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer,
--
2.22.0
From b0533429bd778930fa71683f9f8b241895b9e239 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Thu, 27 Jun 2019 19:21:16 +0200
Subject: [PATCH 3/4] drm/sun4i: sun8i-csc: Add support for color encoding and
range
Conversion from YUV to RGB depends on range (limited or full) and
encoding (BT.601 or BT.709). Current code doesn't consider this and
always uses BT.601 encoding and limited range.
Fix this by introducing new CSC matrices, which are selected based on
range and encoding parameters.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/gpu/drm/sun4i/sun8i_csc.c | 144 ++++++++++++++++++++-----
drivers/gpu/drm/sun4i/sun8i_csc.h | 6 +-
drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 4 +-
3 files changed, 126 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.c b/drivers/gpu/drm/sun4i/sun8i_csc.c
index e07b7876d89b..70c792d052fe 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.c
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.c
@@ -18,16 +18,59 @@ static const u32 ccsc_base[2][2] = {
* First tree values in each line are multiplication factor and last
* value is constant, which is added at the end.
*/
-static const u32 yuv2rgb[] = {
- 0x000004A8, 0x00000000, 0x00000662, 0xFFFC845A,
- 0x000004A8, 0xFFFFFE6F, 0xFFFFFCBF, 0x00021DF4,
- 0x000004A8, 0x00000813, 0x00000000, 0xFFFBAC4A,
+
+static const u32 yuv2rgb[2][2][12] = {
+ [DRM_COLOR_YCBCR_LIMITED_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x000004A8, 0x00000000, 0x00000662, 0xFFFC8451,
+ 0x000004A8, 0xFFFFFE6F, 0xFFFFFCC0, 0x00021E4D,
+ 0x000004A8, 0x00000811, 0x00000000, 0xFFFBACA9,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x000004A8, 0x00000000, 0x0000072B, 0xFFFC1F99,
+ 0x000004A8, 0xFFFFFF26, 0xFFFFFDDF, 0x00013383,
+ 0x000004A8, 0x00000873, 0x00000000, 0xFFFB7BEF,
+ }
+ },
+ [DRM_COLOR_YCBCR_FULL_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x00000400, 0x00000000, 0x0000059B, 0xFFFD322E,
+ 0x00000400, 0xFFFFFEA0, 0xFFFFFD25, 0x00021DD5,
+ 0x00000400, 0x00000716, 0x00000000, 0xFFFC74BD,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x00000400, 0x00000000, 0x0000064C, 0xFFFCD9B4,
+ 0x00000400, 0xFFFFFF41, 0xFFFFFE21, 0x00014F96,
+ 0x00000400, 0x0000076C, 0x00000000, 0xFFFC49EF,
+ }
+ },
};
-static const u32 yvu2rgb[] = {
- 0x000004A8, 0x00000662, 0x00000000, 0xFFFC845A,
- 0x000004A8, 0xFFFFFCBF, 0xFFFFFE6F, 0x00021DF4,
- 0x000004A8, 0x00000000, 0x00000813, 0xFFFBAC4A,
+static const u32 yvu2rgb[2][2][12] = {
+ [DRM_COLOR_YCBCR_LIMITED_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x000004A8, 0x00000662, 0x00000000, 0xFFFC8451,
+ 0x000004A8, 0xFFFFFCC0, 0xFFFFFE6F, 0x00021E4D,
+ 0x000004A8, 0x00000000, 0x00000811, 0xFFFBACA9,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x000004A8, 0x0000072B, 0x00000000, 0xFFFC1F99,
+ 0x000004A8, 0xFFFFFDDF, 0xFFFFFF26, 0x00013383,
+ 0x000004A8, 0x00000000, 0x00000873, 0xFFFB7BEF,
+ }
+ },
+ [DRM_COLOR_YCBCR_FULL_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x00000400, 0x0000059B, 0x00000000, 0xFFFD322E,
+ 0x00000400, 0xFFFFFD25, 0xFFFFFEA0, 0x00021DD5,
+ 0x00000400, 0x00000000, 0x00000716, 0xFFFC74BD,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x00000400, 0x0000064C, 0x00000000, 0xFFFCD9B4,
+ 0x00000400, 0xFFFFFE21, 0xFFFFFF41, 0x00014F96,
+ 0x00000400, 0x00000000, 0x0000076C, 0xFFFC49EF,
+ }
+ },
};
/*
@@ -53,30 +96,74 @@ static const u32 yvu2rgb[] = {
* c20 c21 c22 [d2 const2]
*/
-static const u32 yuv2rgb_de3[] = {
- 0x0002542a, 0x00000000, 0x0003312a, 0xffc00000,
- 0x0002542a, 0xffff376b, 0xfffe5fc3, 0xfe000000,
- 0x0002542a, 0x000408d3, 0x00000000, 0xfe000000,
+static const u32 yuv2rgb_de3[2][2][12] = {
+ [DRM_COLOR_YCBCR_LIMITED_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x0002542A, 0x00000000, 0x0003312A, 0xFFC00000,
+ 0x0002542A, 0xFFFF376B, 0xFFFE5FC3, 0xFE000000,
+ 0x0002542A, 0x000408D2, 0x00000000, 0xFE000000,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x0002542A, 0x00000000, 0x000395E2, 0xFFC00000,
+ 0x0002542A, 0xFFFF92D2, 0xFFFEEF27, 0xFE000000,
+ 0x0002542A, 0x0004398C, 0x00000000, 0xFE000000,
+ }
+ },
+ [DRM_COLOR_YCBCR_FULL_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x00020000, 0x00000000, 0x0002CDD2, 0x00000000,
+ 0x00020000, 0xFFFF4FCE, 0xFFFE925D, 0xFE000000,
+ 0x00020000, 0x00038B43, 0x00000000, 0xFE000000,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x00020000, 0x00000000, 0x0003264C, 0x00000000,
+ 0x00020000, 0xFFFFA018, 0xFFFF1053, 0xFE000000,
+ 0x00020000, 0x0003B611, 0x00000000, 0xFE000000,
+ }
+ },
};
-static const u32 yvu2rgb_de3[] = {
- 0x0002542a, 0x0003312a, 0x00000000, 0xffc00000,
- 0x0002542a, 0xfffe5fc3, 0xffff376b, 0xfe000000,
- 0x0002542a, 0x00000000, 0x000408d3, 0xfe000000,
+static const u32 yvu2rgb_de3[2][2][12] = {
+ [DRM_COLOR_YCBCR_LIMITED_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x0002542A, 0x0003312A, 0x00000000, 0xFFC00000,
+ 0x0002542A, 0xFFFE5FC3, 0xFFFF376B, 0xFE000000,
+ 0x0002542A, 0x00000000, 0x000408D2, 0xFE000000,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x0002542A, 0x000395E2, 0x00000000, 0xFFC00000,
+ 0x0002542A, 0xFFFEEF27, 0xFFFF92D2, 0xFE000000,
+ 0x0002542A, 0x00000000, 0x0004398C, 0xFE000000,
+ }
+ },
+ [DRM_COLOR_YCBCR_FULL_RANGE] = {
+ [DRM_COLOR_YCBCR_BT601] = {
+ 0x00020000, 0x0002CDD2, 0x00000000, 0x00000000,
+ 0x00020000, 0xFFFE925D, 0xFFFF4FCE, 0xFE000000,
+ 0x00020000, 0x00000000, 0x00038B43, 0xFE000000,
+ },
+ [DRM_COLOR_YCBCR_BT709] = {
+ 0x00020000, 0x0003264C, 0x00000000, 0x00000000,
+ 0x00020000, 0xFFFF1053, 0xFFFFA018, 0xFE000000,
+ 0x00020000, 0x00000000, 0x0003B611, 0xFE000000,
+ }
+ },
};
static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
- enum sun8i_csc_mode mode)
+ enum sun8i_csc_mode mode,
+ enum drm_color_encoding encoding,
+ enum drm_color_range range)
{
const u32 *table;
u32 base_reg;
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
- table = yuv2rgb;
+ table = yuv2rgb[range][encoding];
break;
case SUN8I_CSC_MODE_YVU2RGB:
- table = yvu2rgb;
+ table = yvu2rgb[range][encoding];
break;
default:
DRM_WARN("Wrong CSC mode specified.\n");
@@ -88,17 +175,19 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
}
static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer,
- enum sun8i_csc_mode mode)
+ enum sun8i_csc_mode mode,
+ enum drm_color_encoding encoding,
+ enum drm_color_range range)
{
const u32 *table;
u32 base_reg;
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
- table = yuv2rgb_de3;
+ table = yuv2rgb_de3[range][encoding];
break;
case SUN8I_CSC_MODE_YVU2RGB:
- table = yvu2rgb_de3;
+ table = yvu2rgb_de3[range][encoding];
break;
default:
DRM_WARN("Wrong CSC mode specified.\n");
@@ -137,19 +226,22 @@ static void sun8i_de3_ccsc_enable(struct regmap *map, int layer, bool enable)
}
void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
- enum sun8i_csc_mode mode)
+ enum sun8i_csc_mode mode,
+ enum drm_color_encoding encoding,
+ enum drm_color_range range)
{
u32 base;
if (mixer->cfg->is_de3) {
- sun8i_de3_ccsc_set_coefficients(mixer->engine.regs,
- layer, mode);
+ sun8i_de3_ccsc_set_coefficients(mixer->engine.regs, layer,
+ mode, encoding, range);
return;
}
base = ccsc_base[mixer->cfg->ccsc][layer];
- sun8i_csc_set_coefficients(mixer->engine.regs, base, mode);
+ sun8i_csc_set_coefficients(mixer->engine.regs, base,
+ mode, encoding, range);
}
void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable)
diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h
index dce4c444bcd6..f42441b1b14d 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.h
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.h
@@ -6,6 +6,8 @@
#ifndef _SUN8I_CSC_H_
#define _SUN8I_CSC_H_
+#include <drm/drm_color_mgmt.h>
+
struct sun8i_mixer;
/* VI channel CSC units offsets */
@@ -26,7 +28,9 @@ enum sun8i_csc_mode {
};
void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
- enum sun8i_csc_mode mode);
+ enum sun8i_csc_mode mode,
+ enum drm_color_encoding encoding,
+ enum drm_color_range range);
void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
#endif
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 240a800217df..011924a75263 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -232,7 +232,9 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val);
if (fmt_info->csc != SUN8I_CSC_MODE_OFF) {
- sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_info->csc);
+ sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_info->csc,
+ state->color_encoding,
+ state->color_range);
sun8i_csc_enable_ccsc(mixer, channel, true);
} else {
sun8i_csc_enable_ccsc(mixer, channel, false);
--
2.22.0
From c8217462c6c143a9fada595bf3e34af83eb15f87 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Thu, 27 Jun 2019 21:50:16 +0200
Subject: [PATCH 4/4] HACK: Force full range
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/gpu/drm/sun4i/sun8i_csc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.c b/drivers/gpu/drm/sun4i/sun8i_csc.c
index 70c792d052fe..7b60fce1a8c6 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.c
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.c
@@ -160,10 +160,10 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
- table = yuv2rgb[range][encoding];
+ table = yuv2rgb[DRM_COLOR_YCBCR_FULL_RANGE][encoding];
break;
case SUN8I_CSC_MODE_YVU2RGB:
- table = yvu2rgb[range][encoding];
+ table = yvu2rgb[DRM_COLOR_YCBCR_FULL_RANGE][encoding];
break;
default:
DRM_WARN("Wrong CSC mode specified.\n");
@@ -184,10 +184,10 @@ static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer,
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
- table = yuv2rgb_de3[range][encoding];
+ table = yuv2rgb_de3[DRM_COLOR_YCBCR_FULL_RANGE][encoding];
break;
case SUN8I_CSC_MODE_YVU2RGB:
- table = yvu2rgb_de3[range][encoding];
+ table = yvu2rgb_de3[DRM_COLOR_YCBCR_FULL_RANGE][encoding];
break;
default:
DRM_WARN("Wrong CSC mode specified.\n");
--
2.22.0

75
projects/Allwinner/patches/linux/0014-regulator-fixes.patch Normal file
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@ -0,0 +1,75 @@
From 95b579d069348a59d0fa6463a2f821089876ebfd Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 6 Jul 2019 11:07:49 +0200
Subject: [PATCH 1/2] regulator: axp20x: fix DCDCA and DCDCD for AXP806
Refactoring of the driver introduced few bugs in AXP806's DCDCA and
DCDCD regulator definitions.
Fix them.
Fixes: db4a555f7c4cf ("regulator: axp20x: use defines for masks")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/regulator/axp20x-regulator.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 152053361862..c951568994a1 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -240,7 +240,7 @@
#define AXP806_DCDCA_600mV_END \
(AXP806_DCDCA_600mV_START + AXP806_DCDCA_600mV_STEPS)
#define AXP806_DCDCA_1120mV_START 0x33
-#define AXP806_DCDCA_1120mV_STEPS 14
+#define AXP806_DCDCA_1120mV_STEPS 20
#define AXP806_DCDCA_1120mV_END \
(AXP806_DCDCA_1120mV_START + AXP806_DCDCA_1120mV_STEPS)
#define AXP806_DCDCA_NUM_VOLTAGES 72
@@ -774,8 +774,8 @@ static const struct regulator_linear_range axp806_dcdcd_ranges[] = {
AXP806_DCDCD_600mV_END,
20000),
REGULATOR_LINEAR_RANGE(1600000,
- AXP806_DCDCD_600mV_START,
- AXP806_DCDCD_600mV_END,
+ AXP806_DCDCD_1600mV_START,
+ AXP806_DCDCD_1600mV_END,
100000),
};
--
2.22.0
From a8e790b1850f368daff2d3c35b52f8a69978be6e Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 6 Jul 2019 11:15:13 +0200
Subject: [PATCH 2/2] regulator: axp20x: fix DCDC6 for AXP803
Refactoring of axp20x driver introduced a bug in AXP803's DCDC6
regulator definition.
Fix it.
Fixes: db4a555f7c4cf ("regulator: axp20x: use defines for masks")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/regulator/axp20x-regulator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index c951568994a1..29b92ce521b7 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -181,7 +181,7 @@
#define AXP803_DCDC6_600mV_END \
(AXP803_DCDC6_600mV_START + AXP803_DCDC6_600mV_STEPS)
#define AXP803_DCDC6_1120mV_START 0x33
-#define AXP803_DCDC6_1120mV_STEPS 14
+#define AXP803_DCDC6_1120mV_STEPS 20
#define AXP803_DCDC6_1120mV_END \
(AXP803_DCDC6_1120mV_START + AXP803_DCDC6_1120mV_STEPS)
#define AXP803_DCDC6_NUM_VOLTAGES 72
--
2.22.0