linux-kernel - [PATCH v4 10/34] media: camss: csiphy: Update settle count calculation

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Message-Id: <1532536723-19062-11-git-send-email-todor.tomov@linaro.org>
Date:   Wed, 25 Jul 2018 19:38:19 +0300
From:   Todor Tomov <todor.tomov@...aro.org>
To:     mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        hans.verkuil@...co.com, laurent.pinchart+renesas@...asonboard.com,
        linux-media@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Todor Tomov <todor.tomov@...aro.org>
Subject: [PATCH v4 10/34] media: camss: csiphy: Update settle count calculation

Update settle count calculation as per specification.

Signed-off-by: Todor Tomov <todor.tomov@...aro.org>
---
 drivers/media/platform/qcom/camss/camss-csiphy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 2a9adcd..6158ffd 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -329,7 +329,7 @@ static u8 csiphy_settle_cnt_calc(struct csiphy_device *csiphy)
 	t_hs_settle = (t_hs_prepare_max + t_hs_prepare_zero_min) / 2;
 
 	timer_period = div_u64(1000000000000LL, csiphy->timer_clk_rate);
-	settle_cnt = t_hs_settle / timer_period;
+	settle_cnt = t_hs_settle / timer_period - 1;
 
 	return settle_cnt;
 }
-- 
2.7.4