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usb: typec: displayport: Move the Configuration VDO helpers to the header

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The helpers used for reading and writing the pin assignment
from and to the Configuration VDO will be useful in GPU
drivers, and also UCSI driver after DisplayPort alt mode
support is added to it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus
2019-02-01 13:47:54 +03:00
committed by Greg Kroah-Hartman
parent 25b0161450
commit 382e8fa80d
2 changed files with 4 additions and 4 deletions
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4
include/linux/usb/typec_dp.h
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@@ -92,4 +92,8 @@ enum {
#define DP_CONF_PIN_ASSIGNEMENT_SHIFT 8
#define DP_CONF_PIN_ASSIGNEMENT_MASK GENMASK(15, 8)
/* Helper for setting/getting the pin assignement value to the configuration */
#define DP_CONF_SET_PIN_ASSIGN(_a_) ((_a_) << 8)
#define DP_CONF_GET_PIN_ASSIGN(_conf_) (((_conf_) & GENMASK(15, 8)) >> 8)
#endif /* __USB_TYPEC_DP_H */