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platform/chrome: cros_ec_typec: Set port alt mode drvdata

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Save the ChromeOS-specific Type-C port info in the port altmodes' driver
data. This makes communication with the ChromeOS EC (Embedded
Controller) easier when alt mode drivers need to send messages to
peripherals.

Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20221228004648.793339-5-pmalani@chromium.org
This commit is contained in:
Prashant Malani 2022-12-28 00:45:07 +00:00
parent 4dc9355cef
commit c856e3ff98
1 changed files with 2 additions and 0 deletions
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2
drivers/platform/chrome/cros_ec_typec.c
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@ -345,6 +345,7 @@ static int cros_typec_register_port_altmodes(struct cros_typec_data *typec,
if (IS_ERR(amode))
return PTR_ERR(amode);
port->port_altmode[CROS_EC_ALTMODE_DP] = amode;
typec_altmode_set_drvdata(amode, port);
/*
* Register TBT compatibility alt mode. The EC will not enter the mode
@ -358,6 +359,7 @@ static int cros_typec_register_port_altmodes(struct cros_typec_data *typec,
if (IS_ERR(amode))
return PTR_ERR(amode);
port->port_altmode[CROS_EC_ALTMODE_TBT] = amode;
typec_altmode_set_drvdata(amode, port);
port->state.alt = NULL;
port->state.mode = TYPEC_STATE_USB;