Commit f29f972a authored by Barnabás Czémán's avatar Barnabás Czémán Committed by Lee Jones
Browse files

backlight: qcom-wled: Support ovp values for PMI8994 



WLED4 found in PMI8994 supports different ovp values.

Fixes: 6fc632d3 ("video: backlight: qcom-wled: Add PMI8994 compatible")
Signed-off-by: default avatarBarnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: default avatarKonrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: default avatarDaniel Thompson (RISCstar) <danielt@kernel.org>
Link: https://patch.msgid.link/20260116-pmi8950-wled-v3-2-e6c93de84079@mainlining.org


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 02031064

drivers/video/backlight/qcom-wled.c

+39 −2
Original line number Diff line number Diff line
@@ -1244,6 +1244,15 @@ static const struct wled_var_cfg wled4_ovp_cfg = { 
	.size = ARRAY_SIZE(wled4_ovp_values),

};



static const u32 pmi8994_wled_ovp_values[] = {

	31000, 29500, 19400, 17800,

};



static const struct wled_var_cfg pmi8994_wled_ovp_cfg = {

	.values = pmi8994_wled_ovp_values,

	.size = ARRAY_SIZE(pmi8994_wled_ovp_values),

};



static inline u32 wled5_ovp_values_fn(u32 idx)

{

	/*
@@ -1357,6 +1366,29 @@ static int wled_configure(struct wled *wled) 
		},

	};



	const struct wled_u32_opts pmi8994_wled_opts[] = {

		{

			.name = "qcom,current-boost-limit",

			.val_ptr = &cfg->boost_i_limit,

			.cfg = &wled4_boost_i_limit_cfg,

		},

		{

			.name = "qcom,current-limit-microamp",

			.val_ptr = &cfg->string_i_limit,

			.cfg = &wled4_string_i_limit_cfg,

		},

		{

			.name = "qcom,ovp-millivolt",

			.val_ptr = &cfg->ovp,

			.cfg = &pmi8994_wled_ovp_cfg,

		},

		{

			.name = "qcom,switching-freq",

			.val_ptr = &cfg->switch_freq,

			.cfg = &wled3_switch_freq_cfg,

		},

	};



	const struct wled_u32_opts wled5_opts[] = {

		{

			.name = "qcom,current-boost-limit",
@@ -1423,8 +1455,13 @@ static int wled_configure(struct wled *wled) 
		break;



	case 4:

		if (of_device_is_compatible(dev->of_node, "qcom,pmi8994-wled")) {

			u32_opts = pmi8994_wled_opts;

			size = ARRAY_SIZE(pmi8994_wled_opts);

		} else {

			u32_opts = wled4_opts;

			size = ARRAY_SIZE(wled4_opts);

		}

		*cfg = wled4_config_defaults;

		wled->wled_set_brightness = wled4_set_brightness;

		wled->wled_sync_toggle = wled3_sync_toggle;