[PATCH v5 40/46] backlight: lm3630a: switch to the atomic PWM API
From: Boris Brezillon <hidden>
Date: 2016-03-30 20:06:01
Also in:
dri-devel, intel-gfx, linux-arm-kernel, linux-clk, linux-fbdev, linux-leds, linux-pwm, linux-rockchip, linux-samsung-soc, lkml
Subsystem:
backlight class/subsystem, framebuffer layer, the rest · Maintainers:
Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller, Linus Torvalds
pwm_config/enable/disable() have been deprecated and should be replaced by pwm_apply_state(). Signed-off-by: Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> --- drivers/video/backlight/lm3630a_bl.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 3d16bd6..fdad23c 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c@@ -162,14 +162,16 @@ static int lm3630a_intr_config(struct lm3630a_chip *pchip) static void lm3630a_pwm_ctrl(struct lm3630a_chip *pchip, int br, int br_max) { - unsigned int period = pchip->pdata->pwm_period; - unsigned int duty = br * period / br_max; + struct pwm_state pstate; - pwm_config(pchip->pwmd, duty, period); - if (duty) - pwm_enable(pchip->pwmd); + pwm_get_state(pchip->pwmd, &pstate); + pstate.period = pchip->pdata->pwm_period; + pstate.duty_cycle = br * pstate.period / br_max; + if (pstate.duty_cycle) + pstate.enabled = true; else - pwm_disable(pchip->pwmd); + pstate.enabled = false; + pwm_apply_state(pchip->pwmd, &pstate); } /* update and get brightness */
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2.5.0