diff options
| author | Andrew Lynn <andrew.lynn@stericsson.com> | 2011-07-05 15:39:44 +0100 |
|---|---|---|
| committer | Robert Marklund <robert.marklund@stericsson.com> | 2011-10-05 12:53:23 +0200 |
| commit | f60b81003bb81f1969b72d936fde976b0d5bda3c (patch) | |
| tree | c8d83db1d539fa9e80ba50a193201ee185cfa702 /drivers/mfd | |
| parent | 99b886201870f20a16525cb0841dd3e53afab94b (diff) | |
mfd: ab8500_core: Expose TurnOnStatus in sysfs
Expose TurnOnStatus (Power key, RTC alarm, Vbus detect, etc) in sysfs.
ST-Ericsson ID: 338529
ST-Ericsson Linux next: Not tested
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I3a29a03cae632fb428fba450d77fe85f4066935d
Signed-off-by: Andrew Lynn <andrew.lynn@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/26589
Reviewed-by: QATEST
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/ab8500-core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index 8072f707432..eed56a4cfab 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -92,6 +92,8 @@ #define AB8500_REV_REG 0x80 #define AB8500_SWITCH_OFF_STATUS 0x00 +#define AB8500_TURN_ON_STATUS 0x00 + /* * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt * numbers are indexed into this array with (num / 8). @@ -813,12 +815,40 @@ static ssize_t show_switch_off_status(struct device *dev, return sprintf(buf, "%#x\n", value); } +/* + * ab8500 has turned on due to (TURN_ON_STATUS): + * 0x01 PORnVbat + * 0x02 PonKey1dbF + * 0x04 PonKey2dbF + * 0x08 RTCAlarm + * 0x10 MainChDet + * 0x20 VbusDet + * 0x40 UsbIDDetect + * 0x80 Reserved + */ +static ssize_t show_turn_on_status(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int ret; + u8 value; + struct ab8500 *ab8500; + + ab8500 = dev_get_drvdata(dev); + ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, + AB8500_TURN_ON_STATUS, &value); + if (ret < 0) + return ret; + return sprintf(buf, "%#x\n", value); +} + static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL); static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL); +static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL); static struct attribute *ab8500_sysfs_entries[] = { &dev_attr_chip_id.attr, &dev_attr_switch_off_status.attr, + &dev_attr_turn_on_status.attr, NULL, }; |