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Commit 23b3f29a authored by Kiran Gunda's avatar Kiran Gunda
Browse files

backlight: qcom-wled: Add "qcom,sync-dly" device tree property 



Add "qcom,sync-dly" DT property to make the "LED_IDAC_SYNC_DELAY"
register configurable.

Change-Id: I3dd82cc13924adef834e28716655d9c9e817073a
Signed-off-by: default avatarKiran Gunda <kgunda@codeaurora.org>
parent 2293d651

drivers/video/backlight/qcom-spmi-wled.c

+26 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2015, Sony Mobile Communications, AB.

 *

 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -91,6 +91,7 @@ 
#define  WLED_SINK_REG_STR_MOD_EN	BIT(7)



#define WLED_SINK_SYNC_DLY_REG(n)	(0x51 + (n * 0x10))

#define  WLED_SINK_SYNC_DLY_MASK	GENMASK(2, 0)

#define WLED_SINK_FS_CURR_REG(n)	(0x52 + (n * 0x10))

#define  WLED_SINK_FS_MASK		GENMASK(3, 0)
@@ -207,6 +208,7 @@ struct wled_config { 
	int string_cfg;

	int mod_sel;

	int cabc_sel;

	int sync_dly;

	bool en_cabc;

	bool ext_pfet_sc_pro_en;

	bool auto_calib_enabled;
@@ -1254,6 +1256,14 @@ static int wled4_setup(struct wled *wled) 
			if (rc < 0)

				return rc;



			addr = wled->sink_addr +

					WLED_SINK_SYNC_DLY_REG(i);

			rc = regmap_update_bits(wled->regmap, addr,

						WLED_SINK_SYNC_DLY_MASK,

						wled->cfg.sync_dly);

			if (rc < 0)

				return rc;



			temp = i + WLED_SINK_CURR_SINK_SHFT;

			sink_en |= 1 << temp;

		}
@@ -1339,6 +1349,7 @@ static const struct wled_config wled4_config_defaults = { 
	.fs_current = 10,

	.ovp = 1,

	.switch_freq = 11,

	.sync_dly = 2,

	.string_cfg = 0xf,

	.mod_sel = -EINVAL,

	.cabc_sel = -EINVAL,
@@ -1404,6 +1415,15 @@ static const struct wled_var_cfg wled4_ovp_cfg = { 
	.size = ARRAY_SIZE(wled4_ovp_values),

};



static const u32 wled4_sync_dly_values[] = {

	0, 200, 400, 600, 800, 1000, 1200, 1400,

};



static const struct wled_var_cfg wled4_sync_dly_cfg = {

	.values = wled4_sync_dly_values,

	.size = ARRAY_SIZE(wled4_sync_dly_values),

};



static inline u32 wled5_ovp_values_fn(u32 idx)

{

	/*
@@ -2126,6 +2146,11 @@ static int wled_configure(struct wled *wled, struct device *dev) 
			.val_ptr = &cfg->string_cfg,

			.cfg = &wled_string_cfg,

		},

		{

			.name = "qcom,sync-dly",

			.val_ptr = &cfg->sync_dly,

			.cfg = &wled4_sync_dly_cfg,

		},

	};



	const struct wled_u32_opts wled5_opts[] = {