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Tue, 12 May 2020 13:53:20 -0700 (PDT) From: Rodrigo Rolim Mendes de Alencar <455.rodrigo.alencar@gmail.com> X-Google-Original-From: Rodrigo Rolim Mendes de Alencar To: linux-fbdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, maxime.ripard@free-electrons.com, alencar.fmce@imbel.gov.br Subject: [PATCH 3/3] video: fbdev: ssd1307fb: Switch to atomic PWM API Date: Tue, 12 May 2020 17:52:49 -0300 Message-Id: <1589316769-13277-3-git-send-email-alencar.fmce@imbel.gov.br> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1589316769-13277-1-git-send-email-alencar.fmce@imbel.gov.br> References: <1589316769-13277-1-git-send-email-alencar.fmce@imbel.gov.br> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Rodrigo Rolim Mendes de Alencar --- 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