EPDC_FLAG_USE_ALT_BUFFER - Enables updating from an alternate (non-
framebuffer) memory buffer.
If enabled, the final upd_data parameter includes detailed configuration information for
the alternate memory buffer.
MXCFB_WAIT_FOR_UPDATE_COMPLETE /
mxc_epdc_fb_wait_update_complete
Description:
Block and wait for a previous update request to complete.
Parameters:
mxfb_update_marker_data marker_data
The update_marker value used to identify a particular update (passed as a parameter in
MXCFB_SEND_UPDATE IOCTL call) should be re-used here to wait for the update to
complete. If the update was a collision test update, the collision_test variable will return
the result indicating whether a collision occurred.
MXCFB_SET_PWRDOWN_DELAY / mxc_epdc_fb_set_pwrdown_delay
Description:
Set the delay between the completion of all updates in the driver and when the driver
should power down the EPDC and the E Ink display power supplies.
Parameters:
int32_t delay
Input delay value in milliseconds. To disable EPDC power down altogether, use
FB_POWERDOWN_DISABLE (defined below).
MXCFB_GET_PWRDOWN_DELAY / mxc_epdc_fb_get_pwrdown_delay
Description:
Retrieve the driver's current power down delay value.
Parameters:
int32_t delay
Output delay value in milliseconds.
Programming Interface
i.MX 6Solo/6DualLite Linux Reference Manual, Rev. L3.0.35_4.1.0, 09/2013
94
Freescale Semiconductor, Inc.
