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These drivers already have an I2C device id table that is used to create
module aliases and the used MODULE_ALIAS() was either already in the I2C
table so it was redundant or wasn't a valid I2C id so it was never used.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Charging events this patch refers to are:
- charger is connected to/disconnected from the power source
- battery is reconnected to the charger, after it was absent.
When the charger is connected to/disconnected from the power source, CHRVPI
interrupt occurs and PWR_RDY bit is either set or cleared. PWR_RDY bit is
updated after 1-2 seconds CHRVPI interrupt has occurred.
power_supply_changed() should be called after PWR_RDY bit is updated.
/sys/class/power_supply/rt9455-charger/online file displays the value of
PWR_RDY bit.
This way, if the userspace is notified that a charging event has occurred
and the userspace reads /sys/class/power_supply/rt9455-charger/online file,
this file is properly updated when the userspace reads it.
This is the reason why power_supply_changed() is called in
rt9455_pwr_rdy_work_callback(), instead of being called in interrupt
handler.
Since no interrupt is triggered when the battery is reconnected to the
charger, the userspace is never notified that the battery is reconnected.
This is why power_supply_changed() is called in
rt9455_max_charging_time_work_callback(), so that the userspace is notified
that the battery is reconnected.
Signed-off-by: Anda-Maria Nicolae <anda-maria.nicolae@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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The result of container_of macro cannot be NULL, so there is no need to
check whether info is NULL.
Signed-off-by: Anda-Maria Nicolae <anda-maria.nicolae@intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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If CONFIG_USB_PHY is not enabled, struct notifier_block is not defined and
compilation fails. Therefore, the functions that process USB event
notifications are defined only if CONFIG_USB_PHY is enabled.
There is no need to define these functions if CONFIG_USB_PHY is not
enabled, since no USB notifications are received in this case.
Also, since rt9455_set_boost_voltage_before_boost_mode() function is
called only if USB_EVENT_ID notification is received, this function should
also be defined only if CONFIG_USB_PHY is enabled.
Signed-off-by: Anda-Maria Nicolae <anda-maria.nicolae@intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Based on the datasheet found here:
http://www.richtek.com/download_ds.jsp?p=RT9455
Signed-off-by: Anda-Maria Nicolae <anda-maria.nicolae@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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