Merge "backlight: qcom-spmi-wled: Force HFRC off when WLED is disabled" (122f4cad) · Commits · e / devices / android_kernel_fairphone_FP5

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

+21 −0

Original line number	Diff line number	Diff line
		@@ -120,6 +120,8 @@
		#define WLED5_CTRL_TEST4_REG 0xe5
		#define WLED5_TEST4_EN_SH_SS BIT(5)

		#define WLED5_CTRL_PBUS_WRITE_SYNC_CTL 0xef

		/* WLED5 specific sink registers */
		#define WLED5_SINK_MOD_A_EN_REG 0x50
		#define WLED5_SINK_MOD_B_EN_REG 0x60
		@@ -306,15 +308,34 @@ static inline bool is_wled5(struct wled *wled)
		static int wled_module_enable(struct wled *wled, int val)
		{
		int rc;
		int reg;

		if (wled->force_mod_disable)
		return 0;

		/* Force HFRC off */
		if (*wled->version == WLED_PM8150L) {
		reg = val ? 0 : 3;
		rc = regmap_write(wled->regmap, wled->ctrl_addr +
		WLED5_CTRL_PBUS_WRITE_SYNC_CTL, reg);
		if (rc < 0)
		return rc;
		}

		rc = regmap_update_bits(wled->regmap, wled->ctrl_addr +
		WLED_CTRL_MOD_ENABLE, WLED_CTRL_MOD_EN_MASK,
		val << WLED_CTRL_MODULE_EN_SHIFT);
		if (rc < 0)
		return rc;

		/* Force HFRC off */
		if (*wled->version == WLED_PM8150L && val) {
		rc = regmap_write(wled->regmap, wled->sink_addr +
		WLED5_SINK_FLASH_SHDN_CLR_REG, 0);
		if (rc < 0)
		return rc;
		}

		/*
		* Wait for at least 10ms before enabling OVP fault interrupt after
		* enabling the module so that soft start is completed. Keep the OVP