@@ -169,6 +169,7 @@ static int nau8810_eq_get(struct snd_kcontrol *kcontrol,
struct soc_bytes_ext *params = (void *)kcontrol->private_value;
int i, reg, reg_val;
u16 *val;
+ __be16 tmp;
val = (u16 *)ucontrol->value.bytes.data;
reg = NAU8810_REG_EQ1;
@@ -177,8 +178,8 @@ static int nau8810_eq_get(struct snd_kcontrol *kcontrol,
/* conversion of 16-bit integers between native CPU format
* and big endian format
*/
- reg_val = cpu_to_be16(reg_val);
- memcpy(val + i, ®_val, sizeof(reg_val));
+ tmp = cpu_to_be16(reg_val);
+ memcpy(val + i, &tmp, sizeof(tmp));
}
return 0;
@@ -201,6 +202,7 @@ static int nau8810_eq_put(struct snd_kcontrol *kcontrol,
void *data;
u16 *val, value;
int i, reg, ret;
+ __be16 *tmp;
data = kmemdup(ucontrol->value.bytes.data,
params->max, GFP_KERNEL | GFP_DMA);
@@ -213,7 +215,8 @@ static int nau8810_eq_put(struct snd_kcontrol *kcontrol,
/* conversion of 16-bit integers between native CPU format
* and big endian format
*/
- value = be16_to_cpu(*(val + i));
+ tmp = (__be16 *)(val + i);
+ value = be16_to_cpup(tmp);
ret = regmap_write(nau8810->regmap, reg + i, value);
if (ret) {
dev_err(component->dev, "EQ configuration fail, register: %x ret: %d\n",
This issue is reproduced when W=1 build in compiler gcc-12. The following are sparse warnings: sound/soc/codecs/nau8810.c:183:25: sparse: warning: incorrect type in assignment sound/soc/codecs/nau8810.c:183:25: sparse: expected int sound/soc/codecs/nau8810.c:183:25: sparse: got restricted __be16 sound/soc/codecs/nau8810.c:219:25: sparse: warning: cast to restricted __be16 sound/soc/codecs/nau8810.c:219:25: sparse: warning: cast to restricted __be16 sound/soc/codecs/nau8810.c:219:25: sparse: warning: cast to restricted __be16 sound/soc/codecs/nau8810.c:219:25: sparse: warning: cast to restricted __be16 This issue is not still actively checked by kernel test robot. Actually, it is same with nau8822's sparse warnings issue. Signed-off-by: David Lin <CTLIN0@nuvoton.com> --- sound/soc/codecs/nau8810.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)