Message ID | 1499508838-20715-3-git-send-email-stefan.wahren@i2se.com |
---|---|
State | Superseded |
Headers | show |
Stefan Wahren <stefan.wahren@i2se.com> writes: > This adds support for the third (optional) pwm cell to specify the > polarity, which is needed by display backlights for example. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Eric Anholt <eric@anholt.net>
> Eric Anholt <eric@anholt.net> hat am 10. Juli 2017 um 18:56 geschrieben: > > > Stefan Wahren <stefan.wahren@i2se.com> writes: > > > This adds support for the third (optional) pwm cell to specify the > > polarity, which is needed by display backlights for example. > > > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> > > Reviewed-by: Eric Anholt <eric@anholt.net> gentle ping to Thierry -- To unsubscribe from this list: send the line "unsubscribe linux-pwm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Am 20.07.2017 um 19:34 schrieb Stefan Wahren: > >> Eric Anholt <eric@anholt.net> hat am 10. Juli 2017 um 18:56 geschrieben: >> >> >> Stefan Wahren <stefan.wahren@i2se.com> writes: >> >>> This adds support for the third (optional) pwm cell to specify the >>> polarity, which is needed by display backlights for example. >>> >>> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> >> Reviewed-by: Eric Anholt <eric@anholt.net> > gentle ping to Thierry ping ... -- To unsubscribe from this list: send the line "unsubscribe linux-pwm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c index c5dbf16..db001cb 100644 --- a/drivers/pwm/pwm-bcm2835.c +++ b/drivers/pwm/pwm-bcm2835.c @@ -167,6 +167,8 @@ static int bcm2835_pwm_probe(struct platform_device *pdev) pc->chip.dev = &pdev->dev; pc->chip.ops = &bcm2835_pwm_ops; pc->chip.npwm = 2; + pc->chip.of_xlate = of_pwm_xlate_with_flags; + pc->chip.of_pwm_n_cells = 3; platform_set_drvdata(pdev, pc);
This adds support for the third (optional) pwm cell to specify the polarity, which is needed by display backlights for example. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> --- drivers/pwm/pwm-bcm2835.c | 2 ++ 1 file changed, 2 insertions(+)