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Diffstat (limited to 'sound/soc/codecs/cs35l41-lib.c')
-rw-r--r--sound/soc/codecs/cs35l41-lib.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c
index 37ae8ddccac9..3edb09000efa 100644
--- a/sound/soc/codecs/cs35l41-lib.c
+++ b/sound/soc/codecs/cs35l41-lib.c
@@ -842,8 +842,8 @@ int cs35l41_otp_unpack(struct device *dev, struct regmap *regmap)
word_offset = otp_map_match->word_offset;
for (i = 0; i < otp_map_match->num_elements; i++) {
- dev_dbg(dev, "bitoffset= %d, word_offset=%d, bit_sum mod 32=%d\n",
- bit_offset, word_offset, bit_sum % 32);
+ dev_dbg(dev, "bitoffset= %d, word_offset=%d, bit_sum mod 32=%d otp_map[i].size = %d\n",
+ bit_offset, word_offset, bit_sum % 32, otp_map[i].size);
if (bit_offset + otp_map[i].size - 1 >= 32) {
otp_val = (otp_mem[word_offset] &
GENMASK(31, bit_offset)) >> bit_offset;
@@ -851,12 +851,14 @@ int cs35l41_otp_unpack(struct device *dev, struct regmap *regmap)
GENMASK(bit_offset + otp_map[i].size - 33, 0)) <<
(32 - bit_offset);
bit_offset += otp_map[i].size - 32;
- } else {
+ } else if (bit_offset + otp_map[i].size - 1 >= 0) {
otp_val = (otp_mem[word_offset] &
GENMASK(bit_offset + otp_map[i].size - 1, bit_offset)
) >> bit_offset;
bit_offset += otp_map[i].size;
- }
+ } else /* both bit_offset and otp_map[i].size are 0 */
+ otp_val = 0;
+
bit_sum += otp_map[i].size;
if (bit_offset == 32) {