linux-kernel - [PATCH] ALSA: ac97: Fix kernel-doc warning for snd_ac97

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Message-ID: <20251105105229.112172-2-hariconscious@gmail.com>
Date: Wed,  5 Nov 2025 16:22:30 +0530
From: hariconscious@...il.com
To: perex@...ex.cz,
	tiwai@...e.com
Cc: khalid@...nel.org,
	shuah@...nel.org,
	david.hunter.linux@...il.com,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	HariKrishna Sagala <hariconscious@...il.com>
Subject: [PATCH] ALSA: ac97: Fix kernel-doc warning for snd_ac97_reset

From: HariKrishna Sagala <hariconscious@...il.com>

kernel-doc populated the below warning for the non
static function "snd_ac97_reset".
"Warning: ./sound/ac97_bus.c:56 No description found
for return value of 'snd_ac97_reset'".
Added the return values as per the kernel-doc format.

Signed-off-by: HariKrishna Sagala <hariconscious@...il.com>
---
 sound/ac97_bus.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/sound/ac97_bus.c b/sound/ac97_bus.c
index 1484fc178fa4..8a44297964f5 100644
--- a/sound/ac97_bus.c
+++ b/sound/ac97_bus.c
@@ -46,11 +46,14 @@ static bool snd_ac97_check_id(struct snd_ac97 *ac97, unsigned int id,
  * @id_mask: Mask that is applied to the device ID before comparing to @id
  *
  * This function resets the AC'97 device. If @try_warm is true the function
- * first performs a warm reset. If the warm reset is successful the function
- * returns 1. Otherwise or if @try_warm is false the function issues cold reset
- * followed by a warm reset. If this is successful the function returns 0,
- * otherwise a negative error code. If @id is 0 any valid device ID will be
- * accepted, otherwise only the ID that matches @id and @id_mask is accepted.
+ * first performs a warm reset. If @try_warm is false the function issues
+ * cold reset followed by a warm reset. If @id is 0 any valid device ID
+ * will be accepted, otherwise only the ID that matches @id and @id_mask
+ * is accepted.
+ * Returns:
+ * * %1 - if warm reset is successful
+ * * %0 - if cold reset and warm reset is successful
+ * * %-ENODEV - if @id and @id_mask not matching
  */
 int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id,
 	unsigned int id_mask)

base-commit: 284922f4c563aa3a8558a00f2a05722133237fe8
-- 
2.43.0