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| author | Simon Glass <sjg@chromium.org> | 2016-03-06 19:27:48 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-03-17 10:27:22 +0800 |
| commit | e23c6c28b01785547e0356667ab435ef904af531 (patch) | |
| tree | 21fecaf2d3f1015d1c63c1d1467bda99eee7d9fa | |
| parent | 2e9ae222f152dde8b2cfe15d5042331e0fa4b8f7 (diff) | |
| download | u-boot-imx-e23c6c28b01785547e0356667ab435ef904af531.zip u-boot-imx-e23c6c28b01785547e0356667ab435ef904af531.tar.gz u-boot-imx-e23c6c28b01785547e0356667ab435ef904af531.tar.bz2 | |
video: Allow simple-panel to be used without regulators
At present simple-panel requires regulator support and will not build
without it. But some panels do not have a power supply, or at least not one
that can be controlled. Update the implementation to cope with this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
| -rw-r--r-- | drivers/video/simple_panel.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/video/simple_panel.c b/drivers/video/simple_panel.c index c73f242..6219300 100644 --- a/drivers/video/simple_panel.c +++ b/drivers/video/simple_panel.c @@ -38,13 +38,15 @@ static int simple_panel_ofdata_to_platdata(struct udevice *dev) struct simple_panel_priv *priv = dev_get_priv(dev); int ret; - ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev, - "power-supply", &priv->reg); - if (ret) { - debug("%s: Warning: cnnot get power supply: ret=%d\n", - __func__, ret); - if (ret != -ENOENT) - return ret; + if (IS_ENABLED(CONFIG_DM_REGULATOR)) { + ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev, + "power-supply", &priv->reg); + if (ret) { + debug("%s: Warning: cnnot get power supply: ret=%d\n", + __func__, ret); + if (ret != -ENOENT) + return ret; + } } ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev, "backlight", &priv->backlight); @@ -69,7 +71,7 @@ static int simple_panel_probe(struct udevice *dev) struct simple_panel_priv *priv = dev_get_priv(dev); int ret; - if (priv->reg) { + if (IS_ENABLED(CONFIG_DM_REGULATOR) && priv->reg) { debug("%s: Enable regulator '%s'\n", __func__, priv->reg->name); ret = regulator_set_enable(priv->reg, true); if (ret) |