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Change-Id: I2fcf46d1fc4b0cd4c61e5be3654c43b80db86015
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When a usb notifier is called, update the notified current only if the plugge
in device is a standard host else do not update the current just return.
The notifier call that is called in the usb driver is not only for the
battery driver but other usb instances, hence usb cannot stop calling the
notifier call and do a check to call only if it is a standard host. Hence
this check is done in the battery driver, and if relevant update else just
return.
ST-Ericsson Linux next: NA
ST-Ericsson ID: 362955
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I83026aba60b8a60c9f80e2a699b8eded285f8a09
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34799
Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
Reviewed-by: QABUILD
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Reviewed-by: Praveena NADAHALLY <praveen.nadahally@stericsson.com>
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In case of standard host, current that can be drawn for charging is to be
notified by the usb driver. Until this notification battery driver can go
ahead charging by consuming 100mA as per the specs.
Change-Id: I2687afa5dca39d0e800011848b38f2822d0bc7e7
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/31934
Reviewed-by: Praveena NADAHALLY <praveen.nadahally@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
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Remove usb_state_changed() exported function. Replace it with otg notifier call.
This makes static_di redundant so it is removed. Moreover, there is no need to
protect usb_state.usb_changed with usb_lock. So usb_lock is removed as well.
Usb state is fabricated based on the reported mA. State is not as accurate as
reading it directly from the usb controller. This should not matter as battery-
manager driver should care more about mA than the state anyway.
Change-Id: I180062a87ca773b5c215aee3ef1c60315d309d42
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/31577
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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Change-Id: I11dd2a23323229096b6e0ee2d4dc68cab8919bff
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In AB5500 there exist no charger watchdog, instead all the charging registers
that are written during enabling charging are to be re-written which acts as a
watchdog re-kick. Even though its usb charging DCIOCURRENT register has to be
written in order to kick charging, else charging is not started.
ST-Ericsson Linux next: Not Tested
ST-Ericsson ID: WP257120
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: Iad283349e21027908df8aec560c9f44f2861f0ee
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/27220
Reviewed-by: Johan PALSSON <johan.palsson@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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usb type can be detected based on the usb line status register. USB line
status register gets updated on receiving usb line status interrupt.
This usb line status interrupt is obtained after doing a chip select in
usb rising edge interrupt handler and this is done by the usb driver.
Now on getting usb rising edge interrupt, if the usb line status register
is read, it ends up with unknown device connected.
USB line status register must be read only after getting the usb line
status interrupt, else will not be updated.
ST-Ericsson Linux next: Not Tested
ST-Ericsson ID: ER350732
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: Ibca3a8e8032e23fb2b52ac45f9172269f868ae42
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/26709
Reviewed-by: QATEST
Reviewed-by: Johan PALSSON <johan.palsson@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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When usb is removed, since there are no status registers, verify the same
by reading the interrupt source register and send an uevent.
ST-Ericsson Linux next: Not Tested
ST-Ericsson ID: ER351099
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: Ife573551319e91e3651c19e40601bb850c186a14
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/26703
Reviewed-by: Johan PALSSON <johan.palsson@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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After getting usb rising edge interrupt, usb chip select should be enabled
in order to get the usb line status interrupt.
This sequence is done in the usb driver, in battery driver, usb charger detect
was enabled. This was conflicting with the sequence followed in the usb driver
and hence usb line status interrupt was not triggered.
Hence reverted the usb detection enable in battery driver.
ST-Ericsson Linux next: Not Tested
ST-Ericsson ID: ER349171
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: Iaa055cdbe59699fe0442489586fd5c7e21c1ed5b
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/25822
Reviewed-by: QATEST
Reviewed-by: Johan PALSSON <johan.palsson@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
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Adds a power supply class for usb, used to charge the battery.
It includes enabling/disabling of usb charging and monitoring
the usb.
ST-Ericsson Linux next: Not Tested
ST-Ericsson ID: WP256401
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I4fa42b3dbe82103ad49293b784243dc0edb61558
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/23149
Reviewed-by: QATEST
Reviewed-by: Johan PALSSON <johan.palsson@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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