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drm/mipi_dsi: add flags to DSI messages

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This patch adds flags field to mipi_dsi_msg structure and two flags:
- MIPI_DSI_MSG_REQ_ACK - request ACK from peripheral for given message,
- MIPI_DSI_MSG_USE_LPM - use Low Power Mode to transmit message.
The first flag is usually helpful during DSI diagnostic, the second
flag is required by some peripherals during configuration phase.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2014-03-28 12:52:36 +01:00 committed by Inki Dae
parent 66e514c14a
commit 1d96d4a677
1 changed files with 6 additions and 0 deletions
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6
include/drm/drm_mipi_dsi.h
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@ -17,6 +17,11 @@
struct mipi_dsi_host;
struct mipi_dsi_device;
/* request ACK from peripheral */
#define MIPI_DSI_MSG_REQ_ACK BIT(0)
/* use Low Power Mode to transmit message */
#define MIPI_DSI_MSG_USE_LPM BIT(1)
/**
* struct mipi_dsi_msg - read/write DSI buffer
* @channel: virtual channel id
@ -29,6 +34,7 @@ struct mipi_dsi_device;
struct mipi_dsi_msg {
u8 channel;
u8 type;
u16 flags;
size_t tx_len;
const void *tx_buf;