diff options
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index c83049d66baf..37d13ccad2e7 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -398,6 +398,12 @@ static ssize_t dw_mipi_dsi_host_transfer(struct mipi_dsi_host *host, struct mipi_dsi_packet packet; int ret; + if (msg->rx_buf || msg->rx_len) { + /* TODO dw drv improvements: implement read feature */ + dev_warn(dsi->dev, "read operations not yet implemented\n"); + return -EINVAL; + } + ret = mipi_dsi_create_packet(&packet, msg); if (ret) { dev_err(dsi->dev, "failed to create packet: %d\n", ret); |