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Power Supply Fixes for 5.9 cycle

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Just a single change to revert enablement of packet error checking
 for battery data on Chromebooks, since some of their embedded
 controllers do not handle it correctly.
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Merge tag 'for-v5.9-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply fix from Sebastian Reichel:
 "Just a single change to revert enablement of packet error checking for
  battery data on Chromebooks, since some of their embedded controllers
  do not handle it correctly"

* tag 'for-v5.9-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: sbs-battery: chromebook workaround for PEC
This commit is contained in:
Linus Torvalds 2020-10-09 11:38:07 -07:00
commit 277e570ae1
1 changed files with 6 additions and 0 deletions
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6
drivers/power/supply/sbs-battery.c
View File

@ -280,6 +280,12 @@ static int sbs_update_presence(struct sbs_info *chip, bool is_present)
else
client->flags &= ~I2C_CLIENT_PEC;
if (of_device_is_compatible(client->dev.parent->of_node, "google,cros-ec-i2c-tunnel")
&& client->flags & I2C_CLIENT_PEC) {
dev_info(&client->dev, "Disabling PEC because of broken Cros-EC implementation\n");
client->flags &= ~I2C_CLIENT_PEC;
}
dev_dbg(&client->dev, "PEC: %s\n", (client->flags & I2C_CLIENT_PEC) ?
"enabled" : "disabled");