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video: Allow console output to be silenced

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When using expo we want to be able to control the information on the
display and avoid other messages (such as USB scanning) appearing.

Add a 'quiet' flag for the console, to help with this.

The test is a little messy since stdio is still using the original
vidconsole create on start-up. So take care to use the same.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-04-02 06:29:42 +13:00
parent b8839adacd
commit 4fbd842e56
3 changed files with 60 additions and 0 deletions
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13
drivers/video/vidconsole-uclass.c
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@@ -532,8 +532,11 @@ int vidconsole_put_string(struct udevice *dev, const char *str)
static void vidconsole_putc(struct stdio_dev *sdev, const char ch)
{
struct udevice *dev = sdev->priv;
struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
int ret;
if (priv->quiet)
return;
ret = vidconsole_put_char(dev, ch);
if (ret) {
#ifdef DEBUG
@@ -551,8 +554,11 @@ static void vidconsole_putc(struct stdio_dev *sdev, const char ch)
static void vidconsole_puts(struct stdio_dev *sdev, const char *s)
{
struct udevice *dev = sdev->priv;
struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
int ret;
if (priv->quiet)
return;
ret = vidconsole_put_string(dev, s);
if (ret) {
#ifdef DEBUG
@@ -794,3 +800,10 @@ void vidconsole_position_cursor(struct udevice *dev, unsigned col, unsigned row)
y = min_t(short, row * priv->y_charsize, vid_priv->ysize - 1);
vidconsole_set_cursor_pos(dev, x, y);
}
void vidconsole_set_quiet(struct udevice *dev, bool quiet)
{
struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
priv->quiet = quiet;
}