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video: meson: hdmi-supply regulator should be optional

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Some boards don't have such a regulator, and don't need one to enable
HDMI display. Make it optional, fixing hdmi display for those boards.

Also surround the regulator code with a config check on DM_REGULATOR.

Reported-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
This commit is contained in:
Maxime Jourdan 2019-06-04 22:26:19 +02:00 • committed by Anatolij Gustschin
parent ffe8a92b4b
commit f944b15966
1 changed files with 10 additions and 4 deletions
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14
drivers/video/meson/meson_dw_hdmi.c
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@ -361,13 +361,19 @@ static int meson_dw_hdmi_probe(struct udevice *dev)
priv->hdmi.i2c_clk_high = 0x67;
priv->hdmi.i2c_clk_low = 0x78;
#if CONFIG_IS_ENABLED(DM_REGULATOR)
ret = device_get_supply_regulator(dev, "hdmi-supply", &supply);
if (ret)
if (ret && ret != -ENOENT) {
pr_err("Failed to get HDMI regulator\n");
return ret;
}
ret = regulator_set_enable(supply, true);
if (ret)
return ret;
if (!ret) {
ret = regulator_set_enable(supply, true);
if (ret)
return ret;
}
#endif
ret = reset_get_bulk(dev, &resets);
if (ret)