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drm/doc: add new dp helpers into drm DocBook

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I didn't bother with documenting the really trivial new "extract
something from dpcd" helpers, but the i2c over aux ch is now
documented a bit.

v2: Clarify the comment for i2c_dp_aux_add_bus a bit.

v3: Fix more spelling fail spotted by Laurent Pinchart.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Daniel Vetter
2012-11-01 14:45:18 +01:00
committed by Dave Airlie
parent d0ddc0338a
commit 28164fdad8
3 changed files with 35 additions and 0 deletions
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include/drm/drm_dp_helper.h
+8
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@@ -312,6 +312,14 @@
#define MODE_I2C_READ 4
#define MODE_I2C_STOP 8
/**
* struct i2c_algo_dp_aux_data - driver interface structure for i2c over dp
* aux algorithm
* @running: set by the algo indicating whether an i2c is ongoing or whether
* the i2c bus is quiescent
* @address: i2c target address for the currently ongoing transfer
* @aux_ch: driver callback to transfer a single byte of the i2c payload
*/
struct i2c_algo_dp_aux_data {
bool running;
u16 address;