lkml.org 
[lkml]   [2020]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] video: fbdev: ssd1307fb: Switch to atomic PWM API
Date
Signed-off-by: Rodrigo Rolim Mendes de Alencar <alencar.fmce@imbel.gov.br>
---
drivers/video/fbdev/ssd1307fb.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 748c21c0567b..b1cac4a3722f 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -303,7 +303,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
{
int ret;
u32 precharge, dclk, com_invdir, compins;
- struct pwm_args pargs;
+ struct pwm_state pstate;

if (par->device_info->need_pwm) {
par->pwm = pwm_get(&par->client->dev, NULL);
@@ -312,18 +312,18 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
return PTR_ERR(par->pwm);
}

- /*
- * FIXME: pwm_apply_args() should be removed when switching to
- * the atomic PWM API.
- */
- pwm_apply_args(par->pwm);
+ pwm_init_state(par->pwm, &pstate);
+ par->pwm_period = pstate.period;

- pwm_get_args(par->pwm, &pargs);
-
- par->pwm_period = pargs.period;
/* Enable the PWM */
- pwm_config(par->pwm, par->pwm_period / 2, par->pwm_period);
- pwm_enable(par->pwm);
+ pstate.enabled = true;
+ pstate.duty_cycle = pstate.period / 2;
+
+ ret = pwm_apply_state(par->pwm, &pstate);
+ if (ret) {
+ dev_err(&par->client->dev, "Failed to apply PWM state: %d\n", ret);
+ return ret;
+ }

dev_dbg(&par->client->dev, "Using PWM%d with a %dns period.\n",
par->pwm->pwm, par->pwm_period);
--
2.23.0.rc1
\
 
 \ /
  Last update: 2020-05-12 22:55    [W:1.429 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site