On 30/01/15 11:40, Scot Doyle wrote: > fbcon toggles cursor display state every 200 milliseconds when blinking. > Since users prefer different toggle intervals, expose the interval via > /sys/class/graphics/fbcon/cursor_blink_ms so that it may be customized. > > Values written to the interface set the approximate time interval in > milliseconds between cursor toggles, from 1 to 32767. Since the interval > is stored internally as a number of jiffies, the millisecond value read > from the interface may not exactly match the entered value. > > An outstanding blink timer is reset after a new value is entered. > > If the cursor blink is disabled, either via the 'cursor_blink' boolean > setting or some other mechanism, the 'cursor_blink_ms' setting may still > be modified. The new value will be used if the blink is reactivated. > > Signed-off-by: Scot Doyle <[email protected]> > --- > drivers/video/console/fbcon.c | 65 > +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 65 insertions(+) > > diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c > index 7a2030b..7baa333 100644 > --- a/drivers/video/console/fbcon.c > +++ b/drivers/video/console/fbcon.c > @@ -3495,11 +3495,76 @@ err: > return count; > } > > +static ssize_t show_cursor_blink_ms(struct device *device, > + struct device_attribute *attr, char *buf) > +{ > + struct fbcon_ops *ops; > + int idx, ms = -1; > + > + if (fbcon_has_exited) > + return -ENODEV; > + > + console_lock(); > + idx = con2fb_map[fg_console]; > + > + if (idx != -1 && registered_fb[idx] != NULL) { > + ops = ((struct fb_info *)registered_fb[idx])->fbcon_par;
I don't think the above typecast is needed. I can remove the typecast when applying to my tree. So queuing for 3.21. Thanks! Tomi
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