From d57348c1bb8df069f992b3478fea642045712212 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Tue, 30 Dec 2025 18:02:58 +0100 Subject: [PATCH] media: aptina-pll: Debug log p1 min and max values Make aptina_pll_calculate() debug log the calculated p1 min and max values, this makes it easier to see how the m, n and p1 values were chosen. Reviewed-by: Laurent Pinchart Signed-off-by: Hans de Goede Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- drivers/media/i2c/aptina-pll.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/i2c/aptina-pll.c b/drivers/media/i2c/aptina-pll.c index b1f89bbf9d473..cd2ed4583c97e 100644 --- a/drivers/media/i2c/aptina-pll.c +++ b/drivers/media/i2c/aptina-pll.c @@ -129,6 +129,8 @@ int aptina_pll_calculate(struct device *dev, p1_max = min(limits->p1_max, limits->out_clock_max * div / (pll->ext_clock * pll->m)); + dev_dbg(dev, "pll: p1 min %u max %u\n", p1_min, p1_max); + for (p1 = p1_max & ~1; p1 >= p1_min; p1 -= 2) { unsigned int mf_inc = p1 / gcd(div, p1); unsigned int mf_high; -- 2.47.3