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From: git@luigi311.com
To: linux-media@vger.kernel.org
Cc: dave.stevenson@raspberrypi.com,
	jacopo.mondi@ideasonboard.com,
	mchehab@kernel.org,
	robh@kernel.org,
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	devicetree@vger.kernel.org,
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	Luis Garcia <git@luigi311.com>
Subject: [PATCH v4 24/25] media:i2c: imx258: Use v4l2_link_freq_to_bitmap helper
Date: Sun, 14 Apr 2024 14:35:02 -0600
Message-ID: <20240414203503.18402-25-git@luigi311.com>
In-Reply-To: <20240414203503.18402-1-git@luigi311.com>
References: <20240414203503.18402-1-git@luigi311.com>
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From: Luis Garcia <git@luigi311.com>

Use the v4l2_link_freq_to_bitmap() helper to figure out which
driver-supported link freq can be used on a given system.

Signed-off-by: Luis Garcia <git@luigi311.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
---
 drivers/media/i2c/imx258.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c
index 5de71cb7c1ae..65846dff775e 100644
--- a/drivers/media/i2c/imx258.c
+++ b/drivers/media/i2c/imx258.c
@@ -693,6 +693,7 @@ struct imx258 {
 	/* Current mode */
 	const struct imx258_mode *cur_mode;
 
+	unsigned long link_freq_bitmap;
 	const struct imx258_link_freq_config *link_freq_configs;
 	const s64 *link_freq_menu_items;
 	unsigned int lane_mode_idx;
@@ -1552,6 +1553,17 @@ static int imx258_probe(struct i2c_client *client)
 		return ret;
 	}
 
+	ret = v4l2_link_freq_to_bitmap(&client->dev,
+				       ep.link_frequencies,
+				       ep.nr_of_link_frequencies,
+				       imx258->link_freq_menu_items,
+				       ARRAY_SIZE(link_freq_menu_items_19_2),
+				       &imx258->link_freq_bitmap);
+	if (ret) {
+		dev_err(&client->dev, "Link frequency not supported\n");
+		goto error_endpoint_free;
+	}
+
 	/* Get number of data lanes */
 	switch (ep.bus.mipi_csi2.num_data_lanes) {
 	case 2:
-- 
2.44.0