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Date: Wed, 9 Apr 2014 20:04:08 +0200 From: Alexandre Belloni <alexandre.belloni@...e-electrons.com> To: Thierry Reding <thierry.reding@...il.com> Cc: Tony Lindgren <tony@...mide.com>, Philipp Zabel <philipp.zabel@...il.com>, Paul Parsons <lost.distance@...oo.com>, Simon Horman <horms@...ge.net.au>, Magnus Damm <magnus.damm@...il.com>, linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org, linux-sh@...r.kernel.org, Alexandre Belloni <alexandre.belloni@...e-electrons.com> Subject: [PATCH 1/2] pwm: add period and polarity to struct pwm_lookup Adds a period and a polarity member to struct pwm_lookup so that when performing a lookup using the lookup table instead of device tree, we are able to set the period and the polarity accordingly like what is done in of_pwm_xlate_with_flags. Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com> --- drivers/pwm/core.c | 5 +++++ include/linux/pwm.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index a80471399c20..206e5996359c 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -663,6 +663,11 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) if (chip) pwm = pwm_request_from_chip(chip, index, con_id ?: dev_id); + if (IS_ERR(pwm)) + return pwm; + + pwm_set_period(pwm, p->period); + pwm_set_polarity(pwm, p->polarity); mutex_unlock(&pwm_lookup_lock); diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 4717f54051cb..2f45e2fe5b93 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -274,6 +274,8 @@ struct pwm_lookup { unsigned int index; const char *dev_id; const char *con_id; + unsigned int period; + enum pwm_polarity polarity; }; #define PWM_LOOKUP(_provider, _index, _dev_id, _con_id) \ -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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