From 234616b7ea364a57fa7d14b98b022d9633ca9e68 Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Mon, 24 Sep 2018 18:26:02 +0100 Subject: [PATCH 270/773] staging: vc04_services: Support sending data to MMAL ports Add the ability to send data to ports. This only supports zero copy mode as the required bulk transfer setup calls are not done. Signed-off-by: Dave Stevenson --- .../vc04_services/vchiq-mmal/mmal-vchiq.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c @@ -428,11 +428,19 @@ buffer_from_host(struct vchiq_mmal_insta m.u.buffer_from_host.buffer_header.data = (u32)(unsigned long)buf->buffer; m.u.buffer_from_host.buffer_header.alloc_size = buf->buffer_size; - m.u.buffer_from_host.buffer_header.length = 0; /* nothing used yet */ - m.u.buffer_from_host.buffer_header.offset = 0; /* no offset */ - m.u.buffer_from_host.buffer_header.flags = 0; /* no flags */ - m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN; - m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN; + if (port->type == MMAL_PORT_TYPE_OUTPUT) { + m.u.buffer_from_host.buffer_header.length = 0; + m.u.buffer_from_host.buffer_header.offset = 0; + m.u.buffer_from_host.buffer_header.flags = 0; + m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN; + m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN; + } else { + m.u.buffer_from_host.buffer_header.length = buf->length; + m.u.buffer_from_host.buffer_header.offset = 0; + m.u.buffer_from_host.buffer_header.flags = buf->mmal_flags; + m.u.buffer_from_host.buffer_header.pts = buf->pts; + m.u.buffer_from_host.buffer_header.dts = buf->dts; + } /* clear buffer type sepecific data */ memset(&m.u.buffer_from_host.buffer_header_type_specific, 0,