linux-kernel - [PATCH v5 46/46] ARM: s3c24xx: rx1950: switch to the atomic PWM API

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Date:	Wed, 30 Mar 2016 22:04:09 +0200
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Thierry Reding <thierry.reding@...il.com>,
	linux-pwm@...r.kernel.org
Cc:	Mike Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>, linux-clk@...r.kernel.org,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Kamil Debski <k.debski@...sung.com>, lm-sensors@...sensors.org,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>,
	linux-leds@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
	Joachim Eastwood <manabian@...il.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Heiko Stuebner <heiko@...ech.de>,
	linux-rockchip@...ts.infradead.org,
	Jingoo Han <jingoohan1@...il.com>,
	Lee Jones <lee.jones@...aro.org>, linux-fbdev@...r.kernel.org,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-samsung-soc@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	Daniel Vetter <daniel.vetter@...el.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
	David Airlie <airlied@...ux.ie>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Hartley Sweeten <hsweeten@...ionengravers.com>,
	Ryan Mallon <rmallon@...il.com>,
	Alexander Shiyan <shc_work@...l.ru>,
	Milo Kim <milo.kim@...com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>
Subject: [PATCH v5 46/46] ARM: s3c24xx: rx1950: switch to the atomic PWM API

Replace pwm_disable/enable/config() by pwm_apply_state().

Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
---
 arch/arm/mach-s3c24xx/mach-rx1950.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c
index 774c982..2dc9487 100644
--- a/arch/arm/mach-s3c24xx/mach-rx1950.c
+++ b/arch/arm/mach-s3c24xx/mach-rx1950.c
@@ -384,10 +384,15 @@ static struct pwm_device *lcd_pwm;
 
 static void rx1950_lcd_power(int enable)
 {
+	struct pwm_state pstate;
 	int i;
 	static int enabled;
+
 	if (enabled == enable)
 		return;
+
+	pwm_get_state(lcd_pwm, &pstate);
+
 	if (!enable) {
 
 		/* GPC11-GPC15->OUTPUT */
@@ -433,15 +438,21 @@ static void rx1950_lcd_power(int enable)
 
 		/* GPB1->OUTPUT, GPB1->0 */
 		gpio_direction_output(S3C2410_GPB(1), 0);
-		pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
+
+		pstate.enabled = false;
+		pstate.period = LCD_PWM_PERIOD;
+		pstate.duty_cycle = 0;
+		pwm_apply_state(lcd_pwm, &pstate);
 		pwm_disable(lcd_pwm);
 
 		/* GPC0->0, GPC10->0 */
 		gpio_direction_output(S3C2410_GPC(0), 0);
 		gpio_direction_output(S3C2410_GPC(10), 0);
 	} else {
-		pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
-		pwm_enable(lcd_pwm);
+		pstate.enabled = true;
+		pstate.period = LCD_PWM_PERIOD;
+		pstate.duty_cycle = LCD_PWM_DUTY;
+		pwm_apply_state(lcd_pwm, &pstate);
 
 		gpio_direction_output(S3C2410_GPC(0), 1);
 		gpio_direction_output(S3C2410_GPC(5), 1);
-- 
2.5.0