Thread (46 messages) 46 messages, 8 authors, 2016-03-16

[PATCH v4 10/24] backlight: pwm: use pwm_get/set_default_xxx() helpers where appropriate

STALE3854d REVIEWED: 1 (0M)

From: Boris Brezillon <hidden>
Date: 2015-11-16 09:03:02
Also in: linux-arm-kernel, linux-clk, linux-input, linux-leds, linux-pwm, linux-rockchip, lkml
Subsystem: backlight class/subsystem, framebuffer layer, the rest · Maintainers: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller, Linus Torvalds

Revision v4 of 6 in this series; 1 review trailer.

Revisions (6)
  1. rfc [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current
  5. v5 [diff vs current]
  6. v5 [diff vs current]
pwm_set/get_default_xxx() helpers have been introduced to differentiate
the default PWM states (those retrieved through DT, PWM lookup table or
statically assigned by the driver) and the current ones.
Make use of those helpers where appropriate.

Signed-off-by: Boris Brezillon <redacted>
Acked-by: Lee Jones <redacted>
---
 drivers/video/backlight/lm3630a_bl.c | 4 ++--
 drivers/video/backlight/pwm_bl.c     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 35fe482..449ebc3 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -162,7 +162,7 @@ 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 = pwm_get_period(pchip->pwmd);
+	unsigned int period = pwm_get_default_period(pchip->pwmd);
 	unsigned int duty = br * period / br_max;
 
 	pwm_config(pchip->pwmd, duty, period);
@@ -425,7 +425,7 @@ static int lm3630a_probe(struct i2c_client *client,
 			return PTR_ERR(pchip->pwmd);
 		}
 	}
-	pchip->pwmd->period = pdata->pwm_period;
+	pwm_set_default_period(pchip->pwmd, pdata->pwm_period);
 
 	/* interrupt enable  : irq 0 is not allowed */
 	pchip->irq = client->irq;
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index ae3c6b6..54d5a03 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -293,7 +293,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 	 * set the period from platform data if it has not already been set
 	 * via the PWM lookup table.
 	 */
-	pb->period = pwm_get_period(pb->pwm);
+	pb->period = pwm_get_default_period(pb->pwm);
 	if (!pb->period && (data->pwm_period_ns > 0)) {
 		pb->period = data->pwm_period_ns;
 		pwm_set_period(pb->pwm, data->pwm_period_ns);
-- 
2.1.4
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help