linux-kernel - [PATCH 4/5] media: uvcvideo: Cleanup version-specific mapping

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Message-Id: <20240318-billion-v1-4-2f7bc0ee2030@chromium.org>
Date: Mon, 18 Mar 2024 23:55:26 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>, 
 linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 4/5] media: uvcvideo: Cleanup version-specific mapping

We do not have more version specific mappings. Let's remove this code
for now. It can be easily reverted later if needed.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/usb/uvc/uvc_ctrl.c | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 9a0b81aca30d1..41578ded1174e 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -851,14 +851,6 @@ static const struct uvc_control_mapping uvc_ctrl_mappings[] = {
 	},
 };
 
-static const struct uvc_control_mapping *uvc_ctrl_mappings_uvc11[] = {
-	NULL, /* Sentinel */
-};
-
-static const struct uvc_control_mapping *uvc_ctrl_mappings_uvc15[] = {
-	NULL, /* Sentinel */
-};
-
 /* ------------------------------------------------------------------------
  * Utility functions
  */
@@ -2660,7 +2652,6 @@ static void uvc_ctrl_prune_entity(struct uvc_device *dev,
 static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
 			       struct uvc_control *ctrl)
 {
-	const struct uvc_control_mapping **mappings;
 	unsigned int i;
 
 	/*
@@ -2726,18 +2717,6 @@ static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
 		    ctrl->info.selector == mapping->selector)
 			__uvc_ctrl_add_custom_mapping(chain, ctrl, mapping);
 	}
-
-	/* Finally process version-specific mappings. */
-	mappings = chain->dev->uvc_version < 0x0150
-		 ? uvc_ctrl_mappings_uvc11 : uvc_ctrl_mappings_uvc15;
-
-	for (i = 0; mappings[i]; ++i) {
-		const struct uvc_control_mapping *mapping = mappings[i];
-
-		if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
-		    ctrl->info.selector == mapping->selector)
-			__uvc_ctrl_add_custom_mapping(chain, ctrl, mapping);
-	}
 }
 
 /*

-- 
2.44.0.291.gc1ea87d7ee-goog