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drm/bridge: ti-sn65dsi86: Make enable GPIO optional 

The enable signal may not be controllable by the kernel. Make it
optional.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210624000304.16281-3-laurent.pinchart+renesas@ideasonboard.com
This commit is contained in:
Laurent Pinchart 2021-06-24 03:03:00 +03:00 committed by Robert Foss
parent 0715786771
commit bbda1704fc
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GPG Key ID: 3EFD900F76D1D784
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/bridge/ti-sn65dsi86.c
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@ -1459,7 +1459,8 @@ static int ti_sn65dsi86_probe(struct i2c_client *client,
return dev_err_probe(dev, PTR_ERR(pdata->regmap),
"regmap i2c init failed\n");
pdata->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
pdata->enable_gpio = devm_gpiod_get_optional(dev, "enable",
GPIOD_OUT_LOW);
if (IS_ERR(pdata->enable_gpio))
return dev_err_probe(dev, PTR_ERR(pdata->enable_gpio),
"failed to get enable gpio from DT\n");