linux-kernel - [PATCH 4/4] pwm: sprd: Explicitly set .polarity in .get

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Date:   Tue, 28 Feb 2023 14:55:08 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Thierry Reding <thierry.reding@...il.com>,
        Munehisa Kamata <kamatam@...zon.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Cc:     linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de
Subject: [PATCH 4/4] pwm: sprd: Explicitly set .polarity in .get_state()

The driver only supports normal polarity. Complete the implementation of
.get_state() by setting .polarity accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---
 drivers/pwm/pwm-sprd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pwm/pwm-sprd.c b/drivers/pwm/pwm-sprd.c
index d866ce345f97..bde579a338c2 100644
--- a/drivers/pwm/pwm-sprd.c
+++ b/drivers/pwm/pwm-sprd.c
@@ -109,6 +109,7 @@ static int sprd_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 	duty = val & SPRD_PWM_DUTY_MSK;
 	tmp = (prescale + 1) * NSEC_PER_SEC * duty;
 	state->duty_cycle = DIV_ROUND_CLOSEST_ULL(tmp, chn->clk_rate);
+	state->polarity = PWM_POLARITY_NORMAL;
 
 	/* Disable PWM clocks if the PWM channel is not in enable state. */
 	if (!state->enabled)
-- 
2.39.1