lkml.org 
[lkml]   [2020]   [Nov]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 3/8] usb: typec: intel_pmc_mux: Configure Thunderbolt cable generation bits
Date
Thunderbolt cable generation bits received as a part of Thunderbolt 3 cable
discover mode VDO needs to be configured for Thunderbolt rounded and
non-rounded cable support in the Thunderbolt alternate mode.

Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>

--
Changes in v2:
- No change.
--
---
drivers/usb/typec/mux/intel_pmc_mux.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index d7f63b74c6b1..aa3211f1c4c3 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -256,6 +256,7 @@ static int
pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state)
{
struct typec_thunderbolt_data *data = state->data;
+ u8 cable_rounded = TBT_CABLE_ROUNDED_SUPPORT(data->cable_mode);
u8 cable_speed = TBT_CABLE_SPEED(data->cable_mode);
struct altmode_req req = { };

@@ -284,6 +285,8 @@ pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state)

req.mode_data |= PMC_USB_ALTMODE_CABLE_SPD(cable_speed);

+ req.mode_data |= PMC_USB_ALTMODE_TBT_GEN(cable_rounded);
+
return pmc_usb_command(port, (void *)&req, sizeof(req));
}

--
2.17.1
\
 
 \ /
  Last update: 2020-11-13 21:28    [W:0.195 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site