diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dsi.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index e633df2f68d..eb6dfe52cab 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -201,16 +201,15 @@ EXPORT_SYMBOL(mipi_dsi_detach); /** * mipi_dsi_dcs_write - send DCS write command * @dsi: DSI device - * @channel: virtual channel * @data: pointer to the command followed by parameters * @len: length of @data */ -int mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, unsigned int channel, - const void *data, size_t len) +ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, const void *data, + size_t len) { const struct mipi_dsi_host_ops *ops = dsi->host->ops; struct mipi_dsi_msg msg = { - .channel = channel, + .channel = dsi->channel, .tx_buf = data, .tx_len = len }; @@ -232,6 +231,9 @@ int mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, unsigned int channel, break; } + if (dsi->mode_flags & MIPI_DSI_MODE_LPM) + msg.flags = MIPI_DSI_MSG_USE_LPM; + return ops->transfer(dsi->host, &msg); } EXPORT_SYMBOL(mipi_dsi_dcs_write); @@ -239,19 +241,18 @@ EXPORT_SYMBOL(mipi_dsi_dcs_write); /** * mipi_dsi_dcs_read - send DCS read request command * @dsi: DSI device - * @channel: virtual channel * @cmd: DCS read command * @data: pointer to read buffer * @len: length of @data * * Function returns number of read bytes or error code. */ -ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, unsigned int channel, - u8 cmd, void *data, size_t len) +ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data, + size_t len) { const struct mipi_dsi_host_ops *ops = dsi->host->ops; struct mipi_dsi_msg msg = { - .channel = channel, + .channel = dsi->channel, .type = MIPI_DSI_DCS_READ, .tx_buf = &cmd, .tx_len = 1, @@ -262,6 +263,9 @@ ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, unsigned int channel, if (!ops || !ops->transfer) return -ENOSYS; + if (dsi->mode_flags & MIPI_DSI_MODE_LPM) + msg.flags = MIPI_DSI_MSG_USE_LPM; + return ops->transfer(dsi->host, &msg); } EXPORT_SYMBOL(mipi_dsi_dcs_read); |