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disp: msm: dp: skip aux switch configuration

Browse source 
If redriver is the aux switch instead of fsa4480,
skip configuring aux switch.

Change-Id: I28edfec3833f21511a0e4589cbcf871a8c5628da
Signed-off-by: Boyuan Yan <boyuyan@qti.qualcomm.com>
This commit is contained in:
Boyuan Yan 2023-07-04 08:23:04 +05:30 • committed by Gerrit - the friendly Code Review server
commit 28bea7e8fc
2 changed files with 17 additions and 0 deletions
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5
msm/dp/dp_aux.c
View file

@ -766,6 +766,7 @@ static void dp_aux_set_sim_mode(struct dp_aux *dp_aux, bool en,
static int dp_aux_configure_aux_switch(struct dp_aux *dp_aux,
bool enable, int orientation)
{
const char *external_aux_switch = "redriver";
struct dp_aux_private *aux;
int rc = 0;
enum fsa_function event = FSA_USBC_DISPLAYPORT_DISCONNECTED;
@ -784,6 +785,10 @@ static int dp_aux_configure_aux_switch(struct dp_aux *dp_aux,
goto end;
}
if (strcmp(aux->aux_switch_node->name,
external_aux_switch) == 0)
goto end;
if (enable) {
switch (orientation) {
case ORIENTATION_CC1:

12
msm/dp/dp_display.c
View file

@ -1509,6 +1509,8 @@ static int dp_display_init_aux_switch(struct dp_display_private *dp)
int rc = 0;
struct notifier_block nb;
const u32 max_retries = 50;
const char *external_aux_switch = "redriver";
const char *phandle = "qcom,dp-aux-switch";
u32 retry;
if (dp->aux_switch_ready)
@ -1516,6 +1518,16 @@ static int dp_display_init_aux_switch(struct dp_display_private *dp)
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY);
dp->aux_switch_node = of_parse_phandle(dp->pdev->dev.of_node,
phandle, 0);
if (!dp->aux_switch_node) {
DP_WARN("cannot parse %s handle\n", phandle);
rc = -ENODEV;
return rc;
}
if (strcmp(dp->aux_switch_node->name,
external_aux_switch) == 0)
return rc;
nb.notifier_call = dp_display_fsa4480_callback;
nb.priority = 0;