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Commit 02b7a320 authored by Tomi Valkeinen's avatar Tomi Valkeinen
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OMAPDSS: DSI: set regulator voltage to 1.8V 



Set the DSI vdd 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 818a053c

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

+10 −0
Original line number Diff line number Diff line
@@ -1161,6 +1161,7 @@ static int dsi_regulator_init(struct platform_device *dsidev) 
{

	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);

	struct regulator *vdds_dsi;

	int r;



	if (dsi->vdds_dsi_reg != NULL)

		return 0;
@@ -1173,6 +1174,15 @@ static int dsi_regulator_init(struct platform_device *dsidev) 
		return PTR_ERR(vdds_dsi);

	}



	if (regulator_can_change_voltage(vdds_dsi)) {

		r = regulator_set_voltage(vdds_dsi, 1800000, 1800000);

		if (r) {

			devm_regulator_put(vdds_dsi);

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

			return r;

		}

	}



	dsi->vdds_dsi_reg = vdds_dsi;



	return 0;