From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/gpu/drm/drm_mipi_dsi.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'drivers/gpu/drm/drm_mipi_dsi.c') diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 2d5ca8eec..6e6a9c58d 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -365,6 +365,44 @@ int mipi_dsi_create_packet(struct mipi_dsi_packet *packet, } EXPORT_SYMBOL(mipi_dsi_create_packet); +/** + * mipi_dsi_shutdown_peripheral() - sends a Shutdown Peripheral command + * @dsi: DSI peripheral device + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi) +{ + struct mipi_dsi_msg msg = { + .channel = dsi->channel, + .type = MIPI_DSI_SHUTDOWN_PERIPHERAL, + .tx_buf = (u8 [2]) { 0, 0 }, + .tx_len = 2, + }; + + return mipi_dsi_device_transfer(dsi, &msg); +} +EXPORT_SYMBOL(mipi_dsi_shutdown_peripheral); + +/** + * mipi_dsi_turn_on_peripheral() - sends a Turn On Peripheral command + * @dsi: DSI peripheral device + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi) +{ + struct mipi_dsi_msg msg = { + .channel = dsi->channel, + .type = MIPI_DSI_TURN_ON_PERIPHERAL, + .tx_buf = (u8 [2]) { 0, 0 }, + .tx_len = 2, + }; + + return mipi_dsi_device_transfer(dsi, &msg); +} +EXPORT_SYMBOL(mipi_dsi_turn_on_peripheral); + /* * mipi_dsi_set_maximum_return_packet_size() - specify the maximum size of the * the payload in a long packet transmitted from the peripheral back to the -- cgit v1.2.3-54-g00ecf