The fr (frame rate) field of the alvium_dev structure is only used to pass result from alvium_set_frame_interval() to alvium_set_frame_rate() that writes this info into the hw reg. Replace them with function parameter. Signed-off-by: Tommaso Merciai <tomm.merciai@xxxxxxxxx> --- drivers/media/i2c/alvium-csi2.c | 24 ++++++++++++------------ drivers/media/i2c/alvium-csi2.h | 1 - 2 files changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c index 0dcd69bf9f92..a9ff6cc97cff 100644 --- a/drivers/media/i2c/alvium-csi2.c +++ b/drivers/media/i2c/alvium-csi2.c @@ -1185,19 +1185,19 @@ static int alvium_get_frame_interval(struct alvium_dev *alvium, return ret; } -static int alvium_set_frame_rate(struct alvium_dev *alvium) +static int alvium_set_frame_rate(struct alvium_dev *alvium, u64 fr) { struct device *dev = &alvium->i2c_client->dev; int ret; ret = alvium_write_hshake(alvium, REG_BCRM_ACQUISITION_FRAME_RATE_RW, - alvium->fr); + fr); if (ret) { dev_err(dev, "Fail to set frame rate lanes reg\n"); return ret; } - dev_dbg(dev, "set frame rate: %llu us\n", alvium->fr); + dev_dbg(dev, "set frame rate: %llu us\n", fr); return 0; } @@ -1661,10 +1661,11 @@ static int alvium_g_frame_interval(struct v4l2_subdev *sd, } static int alvium_set_frame_interval(struct alvium_dev *alvium, - struct v4l2_subdev_frame_interval *fi) + struct v4l2_subdev_frame_interval *fi, + u64 *req_fr) { struct device *dev = &alvium->i2c_client->dev; - u64 req_fr, dft_fr, min_fr, max_fr; + u64 dft_fr, min_fr, max_fr; int ret; if (fi->interval.denominator == 0) @@ -1681,13 +1682,12 @@ static int alvium_set_frame_interval(struct alvium_dev *alvium, dev_dbg(dev, "fi->interval.denominator = %d\n", fi->interval.denominator); - req_fr = (u64)((fi->interval.denominator * USEC_PER_SEC) / + *req_fr = (u64)((fi->interval.denominator * USEC_PER_SEC) / fi->interval.numerator); - if (req_fr >= max_fr && req_fr <= min_fr) - req_fr = dft_fr; + if (*req_fr >= max_fr && *req_fr <= min_fr) + *req_fr = dft_fr; - alvium->fr = req_fr; alvium->frame_interval.numerator = fi->interval.numerator; alvium->frame_interval.denominator = fi->interval.denominator; @@ -1699,6 +1699,7 @@ static int alvium_s_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *fi) { struct alvium_dev *alvium = sd_to_alvium(sd); + u64 req_fr = ALVIUM_DEFAULT_FR_HZ; int ret; /* @@ -1711,9 +1712,9 @@ static int alvium_s_frame_interval(struct v4l2_subdev *sd, if (alvium->streaming) return -EBUSY; - ret = alvium_set_frame_interval(alvium, fi); + ret = alvium_set_frame_interval(alvium, fi, &req_fr); if (!ret) - ret = alvium_set_frame_rate(alvium); + ret = alvium_set_frame_rate(alvium, req_fr); return ret; } @@ -2273,7 +2274,6 @@ static int alvium_subdev_init(struct alvium_dev *alvium) /* Setup initial frame interval*/ alvium->frame_interval.numerator = 1; alvium->frame_interval.denominator = ALVIUM_DEFAULT_FR_HZ; - alvium->fr = ALVIUM_DEFAULT_FR_HZ; /* Setup the initial mode */ alvium->mode.fmt = alvium_csi2_default_fmt; diff --git a/drivers/media/i2c/alvium-csi2.h b/drivers/media/i2c/alvium-csi2.h index 17f0bbbd1839..80066ac25047 100644 --- a/drivers/media/i2c/alvium-csi2.h +++ b/drivers/media/i2c/alvium-csi2.h @@ -443,7 +443,6 @@ struct alvium_dev { struct alvium_mode mode; struct v4l2_fract frame_interval; - u64 fr; u8 h_sup_csi_lanes; u64 link_freq; -- 2.34.1