linux-kernel - [PATCH v1 1/1] ALSA: ump: Use %*ph to print small buffer

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Message-ID: <20240911195039.2885979-1-andriy.shevchenko@linux.intel.com>
Date: Wed, 11 Sep 2024 22:50:39 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Takashi Iwai <tiwai@...e.de>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] ALSA: ump: Use %*ph to print small buffer

Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 sound/core/ump.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/sound/core/ump.c b/sound/core/ump.c
index 243ecdbb2a6e..cf22a17e38dd 100644
--- a/sound/core/ump.c
+++ b/sound/core/ump.c
@@ -489,11 +489,7 @@ static void snd_ump_proc_read(struct snd_info_entry *entry,
 			    ump->info.manufacturer_id);
 		snd_iprintf(buffer, "Family ID: 0x%04x\n", ump->info.family_id);
 		snd_iprintf(buffer, "Model ID: 0x%04x\n", ump->info.model_id);
-		snd_iprintf(buffer, "SW Revision: 0x%02x%02x%02x%02x\n",
-			    ump->info.sw_revision[0],
-			    ump->info.sw_revision[1],
-			    ump->info.sw_revision[2],
-			    ump->info.sw_revision[3]);
+		snd_iprintf(buffer, "SW Revision: 0x%4phN\n", ump->info.sw_revision);
 	}
 	snd_iprintf(buffer, "Static Blocks: %s\n",
 		    (ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS) ? "Yes" : "No");
@@ -710,14 +706,11 @@ static int ump_handle_device_info_msg(struct snd_ump_endpoint *ump,
 	ump->info.sw_revision[1] = (buf->device_info.sw_revision >> 16) & 0x7f;
 	ump->info.sw_revision[2] = (buf->device_info.sw_revision >> 8) & 0x7f;
 	ump->info.sw_revision[3] = buf->device_info.sw_revision & 0x7f;
-	ump_dbg(ump, "EP devinfo: manid=%08x, family=%04x, model=%04x, sw=%02x%02x%02x%02x\n",
+	ump_dbg(ump, "EP devinfo: manid=%08x, family=%04x, model=%04x, sw=%4phN\n",
 		ump->info.manufacturer_id,
 		ump->info.family_id,
 		ump->info.model_id,
-		ump->info.sw_revision[0],
-		ump->info.sw_revision[1],
-		ump->info.sw_revision[2],
-		ump->info.sw_revision[3]);
+		ump->info.sw_revision);
 	return 1; /* finished */
 }
 
-- 
2.43.0.rc1.1336.g36b5255a03ac