From 0862582b5239a618a1b5197544b30f77ed71eca0 Mon Sep 17 00:00:00 2001 From: Umang Jain Date: Tue, 20 Feb 2024 14:58:18 +0530 Subject: [PATCH] media: imx335: Use v4l2_link_freq_to_bitmap helper Use the v4l2_link_freq_to_bitmap() helper to figure out which driver-supported link frequencies can be used on a given system. Signed-off-by: Umang Jain Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- drivers/media/i2c/imx335.c | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c index 3d3848a58fa7..e34e34503dda 100644 --- a/drivers/media/i2c/imx335.c +++ b/drivers/media/i2c/imx335.c @@ -49,7 +49,7 @@ #define IMX335_INCLK_RATE 24000000 /* CSI2 HW configuration */ -#define IMX335_LINK_FREQ 594000000 +#define IMX335_LINK_FREQ 594000000LL #define IMX335_NUM_DATA_LANES 4 #define IMX335_REG_MIN 0x00 @@ -134,6 +134,7 @@ struct imx335_mode { * @vblank: Vertical blanking in lines * @cur_mode: Pointer to current selected sensor mode * @mutex: Mutex for serializing sensor controls + * @link_freq_bitmap: Menu bitmap for link_freq_ctrl * @cur_mbus_code: Currently selected media bus format code */ struct imx335 { @@ -157,6 +158,7 @@ struct imx335 { u32 vblank; const struct imx335_mode *cur_mode; struct mutex mutex; + unsigned long link_freq_bitmap; u32 cur_mbus_code; }; @@ -405,7 +407,8 @@ static int imx335_update_controls(struct imx335 *imx335, { int ret; - ret = __v4l2_ctrl_s_ctrl(imx335->link_freq_ctrl, mode->link_freq_idx); + ret = __v4l2_ctrl_s_ctrl(imx335->link_freq_ctrl, + __ffs(imx335->link_freq_bitmap)); if (ret) return ret; @@ -691,6 +694,13 @@ static int imx335_init_state(struct v4l2_subdev *sd, fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; imx335_fill_pad_format(imx335, &supported_mode, &fmt); + mutex_lock(&imx335->mutex); + __v4l2_ctrl_modify_range(imx335->link_freq_ctrl, 0, + __fls(imx335->link_freq_bitmap), + ~(imx335->link_freq_bitmap), + __ffs(imx335->link_freq_bitmap)); + mutex_unlock(&imx335->mutex); + return imx335_set_pad_format(sd, sd_state, &fmt); } @@ -939,19 +949,10 @@ static int imx335_parse_hw_config(struct imx335 *imx335) goto done_endpoint_free; } - if (!bus_cfg.nr_of_link_frequencies) { - dev_err(imx335->dev, "no link frequencies defined\n"); - ret = -EINVAL; - goto done_endpoint_free; - } - - for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++) - if (bus_cfg.link_frequencies[i] == IMX335_LINK_FREQ) - goto done_endpoint_free; - - dev_err(imx335->dev, "no compatible link frequencies found\n"); - - ret = -EINVAL; + ret = v4l2_link_freq_to_bitmap(imx335->dev, bus_cfg.link_frequencies, + bus_cfg.nr_of_link_frequencies, + link_freq, ARRAY_SIZE(link_freq), + &imx335->link_freq_bitmap); done_endpoint_free: v4l2_fwnode_endpoint_free(&bus_cfg); @@ -1099,9 +1100,8 @@ static int imx335_init_controls(struct imx335 *imx335) imx335->link_freq_ctrl = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx335_ctrl_ops, V4L2_CID_LINK_FREQ, - ARRAY_SIZE(link_freq) - - 1, - mode->link_freq_idx, + __fls(imx335->link_freq_bitmap), + __ffs(imx335->link_freq_bitmap), link_freq); if (imx335->link_freq_ctrl) imx335->link_freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;