From: Mattias Wallin <[email protected]> Several states can be detected when a device is initially turned on. This patch displays these states in the log. If none of the states are true, then we report that too.
Signed-off-by: Mattias Wallin <[email protected]> Signed-off-by: Lee Jones <[email protected]> Reviewed-by: Marcus COOPER <[email protected]> Reviewed-by: Jonas ABERG <[email protected]> --- drivers/mfd/ab8500-core.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index 17187c3..153e71e 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -1502,6 +1502,15 @@ static int ab8500_probe(struct platform_device *pdev) "Battery level lower than power on reset threshold", "Power on key 1 pressed longer than 10 seconds", "DB8500 thermal shutdown"}; + static char *turn_on_status[] = { + "Battery rising (Vbat)", + "Power On Key 1 dbF", + "Power On Key 2 dbF", + "RTC Alarm", + "Main Charger Detect", + "Vbus Detect (USB)", + "USB ID Detect", + "UART Factory Mode Detect"}; struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev); const struct platform_device_id *platid = platform_get_device_id(pdev); enum ab8500_version version = AB8500_VERSION_UNDEFINED; @@ -1615,9 +1624,26 @@ static int ab8500_probe(struct platform_device *pdev) } else { printk(KERN_CONT " None\n"); } + ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, + AB8500_TURN_ON_STATUS, &value); + if (ret < 0) + return ret; + dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value); + + if (value) { + for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) { + if (value & 1) + printk("\"%s\" ", turn_on_status[i]); + value = value >> 1; + } + printk("\n"); + } else { + printk("None\n"); + } if (plat && plat->init) plat->init(ab8500); + if (is_ab9540(ab8500)) { ret = get_register_interruptible(ab8500, AB8500_CHARGER, AB8500_CH_USBCH_STAT1_REG, &value); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
