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Commit 818a053c authored by Tomi Valkeinen's avatar Tomi Valkeinen
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OMAPDSS: HDMI4: set regulator voltage to 1.8V 



Set the HDMI vdda regulator voltage to the required 1.8V.

This is required for the case when the regulator in the DT data defines
a range of allowed voltages. In this case it's required to set the
voltage, as otherwise enabling the voltage fails.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 2c5c4075

drivers/video/fbdev/omap2/dss/hdmi4.c

+10 −0
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ static void hdmi_runtime_put(void) 


static int hdmi_init_regulator(void)

{

	int r;

	struct regulator *reg;



	if (hdmi.vdda_hdmi_dac_reg != NULL)
@@ -96,6 +97,15 @@ static int hdmi_init_regulator(void) 
		return PTR_ERR(reg);

	}



	if (regulator_can_change_voltage(reg)) {

		r = regulator_set_voltage(reg, 1800000, 1800000);

		if (r) {

			devm_regulator_put(reg);

			DSSWARN("can't set the regulator voltage\n");

			return r;

		}

	}



	hdmi.vdda_hdmi_dac_reg = reg;



	return 0;