The dw_mipi_dsi_host_transfer() must return the number of
bytes transmitted/received on success instead of 0.
Note: As the read feature is not implemented, only the
transmitted number of bytes is returned for the moment.
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180125103800.1999-3-philippe.cornu@st.com
dw_mipi_message_config(dsi, msg);
- return dw_mipi_dsi_write(dsi, &packet);
+ ret = dw_mipi_dsi_write(dsi, &packet);
+ if (ret)
+ return ret;
+
+ /*
+ * TODO Only transmitted size is returned as actual driver does
+ * not support dcs/generic reads. Please update return value when
+ * delivering the read feature.
+ */
+ return packet.size;
}
static const struct mipi_dsi_host_ops dw_mipi_dsi_host_ops = {