Messages in this thread Patch in this message | | | From | Jitao Shi <> | Subject | [PATCH v6 2/5] pwm: mtk_disp: fix force reg to working reg. | Date | Sat, 24 Jul 2021 16:18:46 +0800 |
| |
Disable reg double buffer before writing register.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> --- drivers/pwm/pwm-mtk-disp.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-)
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 3ade525adcc3..1070d78d4940 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -128,6 +128,17 @@ static int mtk_disp_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, mtk_disp_pwm_update_bits(mdp, mdp->data->commit, mdp->data->commit_mask, 0x0); + } else { + /* + * For MT2701, disable double buffer before writing register + * and select manual mode and use PWM_PERIOD/PWM_HIGH_WIDTH. + */ + mtk_disp_pwm_update_bits(mdp, mdp->data->bls_debug, + mdp->data->bls_debug_mask, + mdp->data->bls_debug_mask); + mtk_disp_pwm_update_bits(mdp, mdp->data->con0, + mdp->data->con0_sel, + mdp->data->con0_sel); } clk_disable_unprepare(mdp->clk_mm); @@ -213,19 +224,6 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mdp); - /* - * For MT2701, disable double buffer before writing register - * and select manual mode and use PWM_PERIOD/PWM_HIGH_WIDTH. - */ - if (!mdp->data->has_commit) { - mtk_disp_pwm_update_bits(mdp, mdp->data->bls_debug, - mdp->data->bls_debug_mask, - mdp->data->bls_debug_mask); - mtk_disp_pwm_update_bits(mdp, mdp->data->con0, - mdp->data->con0_sel, - mdp->data->con0_sel); - } - return 0; } -- 2.25.1 | |