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Revert "pwm: meson: Explicitly set .polarity in .get_state()"

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This reverts commit 6f62d2d396.

It breaks the current Android kernel abi.  It will be brought back at
the next KABI break update.

Bug: 161946584
Change-Id: I13e1e6e04d130a364e3c7294daceb50c8ed31957
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2023-04-22 08:56:49 +00:00
committed by Matthias Männich
parent 9d29ba9c30
commit af88eb49be
1 changed files with 0 additions and 8 deletions
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8
drivers/pwm/pwm-meson.c
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@@ -162,12 +162,6 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm,
duty = state->duty_cycle;
period = state->period;
/*
* Note this is wrong. The result is an output wave that isn't really
* inverted and so is wrongly identified by .get_state as normal.
* Fixing this needs some care however as some machines might rely on
* this.
*/
if (state->polarity == PWM_POLARITY_INVERSED)
duty = period - duty;
@@ -364,8 +358,6 @@ static int meson_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
state->duty_cycle = 0;
}
state->polarity = PWM_POLARITY_NORMAL;
return 0;
}