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CP:Add switch enable detect function

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charge pump driver
add charge pump switch detect function

Porting from https://gerrit.mot.com/#/c/1968869/

Change-Id: I0210e3bc0ee48d8e27b24c2243a7c5e3426a927c
Signed-off-by: chailu1 <chailu1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1982428
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Haijian Ma <mahj8@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
chailu1 2021-06-17 17:14:37 +08:00 • committed by Lu Chai
commit e7288c181a
1 changed files with 7 additions and 1 deletions
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8
drivers/power/mmi_sc8549/mmi_sc8549.c
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@ -60,6 +60,7 @@ enum {
#define MMI_BUS_OCP_FAULT_BIT 10
#define MMI_SS_TIMEOUT_FAULT_BIT 16
#define MMI_TS_SHUT_FAULT_BIT 17
#define MMI_CP_SWITCH_BIT 18
#define MMI_BAT_OVP_FAULT_MASK (1 << MMI_BAT_OVP_FAULT_BIT)
#define MMI_BAT_OCP_FAULT_MASK (1 << MMI_BAT_OCP_FAULT_BIT)
@ -67,6 +68,7 @@ enum {
#define MMI_BUS_OCP_FAULT_MASK (1 << MMI_BUS_OCP_FAULT_BIT)
#define MMI_SS_TIMEOUT_FAULT_MASK (1 << MMI_SS_TIMEOUT_FAULT_BIT)
#define MMI_TS_SHUT_FAULT_MASK (1 << MMI_TS_SHUT_FAULT_BIT)
#define MMI_CP_SWITCH_MASK (1 << MMI_CP_SWITCH_BIT)
#define sc_err(fmt, ...) \
do { \
@ -156,6 +158,7 @@ struct sc8549 {
bool bus_ocp_fault;
bool ss_timeout_fault;
bool ts_shut_fault;
bool cp_switch;
bool vbat_reg;
bool ibat_reg;
@ -1237,6 +1240,8 @@ static void sc8549_check_fault_status(struct sc8549 *sc)
sc->ts_shut_fault = !!(stat & SC8549_TSHUT_FLAG_MASK);
if (stat & SC8549_SS_TIMEOUT_FLAG_MASK)
sc->ss_timeout_fault = !!(stat & SC8549_SS_TIMEOUT_FLAG_MASK);
if (stat & SC8549_CONV_SWITCHING_STAT_MASK)
sc->cp_switch = !!(stat & SC8549_CONV_SWITCHING_STAT_MASK);
}
ret = sc8549_read_byte(sc, SC8549_REG_0F, &flag);
@ -1426,7 +1431,8 @@ static int sc8549_iio_read_raw(struct iio_dev *indio_dev,
| (chip->bus_ovp_fault << MMI_BUS_OVP_FAULT_BIT)
| (chip->bus_ocp_fault << MMI_BUS_OCP_FAULT_BIT)
| (chip->ss_timeout_fault << MMI_SS_TIMEOUT_FAULT_BIT)
| (chip->ts_shut_fault << MMI_TS_SHUT_FAULT_BIT);
| (chip->ts_shut_fault << MMI_TS_SHUT_FAULT_BIT)
| (chip->cp_switch << MMI_CP_SWITCH_BIT);
break;
default:
sc_err("Unsupported sc8549 IIO chan %d\n", chan->channel);