[PATCH v2] ASoC: tas2781: Fix a warning reported by robot kernel test

[Shenghao Ding]

Fix a warning reported by robot kernel test that 'fw_entry' in function
'tas2781_load_calibration' is used uninitialized with compiler
sh4-linux-gcc (GCC) 13.2.0, an update of copyright and a correction of the
comments.

Fixes: ef3bcde75d06 ("ASoc: tas2781: Add tas2781 driver")
Signed-off-by: Shenghao Ding <shenghao-ding@xxxxxx>

---
v2:
 - Describe more what was actually an issue reported by robot kernel test.
 - Correct the subject suffix, ALSA: ASoc/tas2781 --> ASoC: tas2781.
v1:
 - Update the copyright year to 2024
 - tasdevice-fmw.c --> tas2781-fmwlib.c
 - | Reported-by: kernel test robot <lkp@xxxxxxxxx>
   | Closes: https://lore.kernel.org/oe-kbuild-all/202405021200.YHInjV43-lkp@xxxxxxxxx/
---
 sound/soc/codecs/tas2781-fmwlib.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/tas2781-fmwlib.c b/sound/soc/codecs/tas2781-fmwlib.c
index 45760fe19523..a6be81adcb83 100644
--- a/sound/soc/codecs/tas2781-fmwlib.c
+++ b/sound/soc/codecs/tas2781-fmwlib.c
@@ -1,8 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
 //
-// tasdevice-fmw.c -- TASDEVICE firmware support
+// tas2781-fmwlib.c -- TASDEVICE firmware support
 //
-// Copyright 2023 Texas Instruments, Inc.
+// Copyright 2023 - 2024 Texas Instruments, Inc.
 //
 // Author: Shenghao Ding <shenghao-ding@xxxxxx>
 
@@ -1878,7 +1878,7 @@ int tas2781_load_calibration(void *context, char *file_name,
 {
 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *)context;
 	struct tasdevice *tasdev = &(tas_priv->tasdevice[i]);
-	const struct firmware *fw_entry;
+	const struct firmware *fw_entry = NULL;
 	struct tasdevice_fw *tas_fmw;
 	struct firmware fmw;
 	int offset = 0;
-- 
2.34.1