evie/android_kernel_oneplus_msm8998
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smb-lib: set ICL to 900mA when USB 3.0 has enumerated

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900mA can be drawn from a USB 3.0 port that has been enumerated. Do it.

Change-Id: I94e5d36feb3cd54bcc46e8c56933340cad839c1f
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
This commit is contained in:
Nicholas Troast 2016-09-23 11:23:23 -07:00 • committed by Abhijeet Dharmapurikar
parent 69ea8b0c64
commit 3de357133d
1 changed files with 45 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

64
drivers/power/qcom-charger/smb-lib.c
View file

@ -601,38 +601,64 @@ static int smblib_fv_vote_callback(struct votable *votable, void *data,
return 0;
}
#define USBIN_25MA 25000
#define USBIN_100MA 100000
#define USBIN_25MA 25000
#define USBIN_100MA 100000
#define USBIN_150MA 150000
#define USBIN_500MA 500000
#define USBIN_900MA 900000
static int smblib_usb_icl_vote_callback(struct votable *votable, void *data,
int icl_ua, const char *client)
{
struct smb_charger *chg = data;
int rc = 0;
bool suspend;
bool suspend = (icl_ua < USBIN_25MA);
u8 icl_options = 0;
if (icl_ua < 0) {
smblib_dbg(chg, PR_MISC, "No Voter hence suspending\n");
icl_ua = 0;
if (suspend)
goto out;
if (chg->usb_psy_desc.type != POWER_SUPPLY_TYPE_USB) {
rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua);
if (rc < 0) {
dev_err(chg->dev, "Couldn't set HC ICL rc=%d\n", rc);
return rc;
}
goto out;
}
suspend = (icl_ua < USBIN_25MA);
if (suspend)
goto suspend;
if (chg->usb_psy_desc.type == POWER_SUPPLY_TYPE_USB)
rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
USB51_MODE_BIT,
(icl_ua > USBIN_100MA) ? USB51_MODE_BIT : 0);
else
rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua);
/* power source is SDP */
switch (icl_ua) {
case USBIN_100MA:
/* USB 2.0 100mA */
icl_options = 0;
break;
case USBIN_150MA:
/* USB 3.0 150mA */
icl_options = CFG_USB3P0_SEL_BIT;
break;
case USBIN_500MA:
/* USB 2.0 500mA */
icl_options = USB51_MODE_BIT;
break;
case USBIN_900MA:
/* USB 3.0 900mA */
icl_options = CFG_USB3P0_SEL_BIT | USB51_MODE_BIT;
break;
default:
dev_err(chg->dev, "ICL %duA isn't supported for SDP\n", icl_ua);
icl_options = 0;
break;
}
out:
rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
CFG_USB3P0_SEL_BIT | USB51_MODE_BIT, icl_options);
if (rc < 0) {
dev_err(chg->dev,
"Couldn't set USB input current limit rc=%d\n", rc);
dev_err(chg->dev, "Couldn't set ICL opetions rc=%d\n", rc);
return rc;
}
suspend:
rc = vote(chg->usb_suspend_votable, PD_VOTER, suspend, 0);
if (rc < 0) {
dev_err(chg->dev, "Couldn't %s input rc=%d\n",