[PATCH 06/10] ASoC: cs35l35: Correct errata handling

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Currently the check of errata_chk will always evaluate to false since
the values tested don't come under the mask used. A shift of the field
is missing, add this. Also there is an error in the values tested, they
don't match the comment and the value 0x3 is not a valid value for the
field in question. Update the value to match the comment.

Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
---
 sound/soc/codecs/cs35l35.c | 4 ++--
 sound/soc/codecs/cs35l35.h | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/cs35l35.c b/sound/soc/codecs/cs35l35.c
index 554b32f388d9a..a4309312e84f3 100644
--- a/sound/soc/codecs/cs35l35.c
+++ b/sound/soc/codecs/cs35l35.c
@@ -496,10 +496,10 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
 	 * the Class H algorithm does not enable weak-drive operation for
 	 * nonzero values of CH_WKFET_DELAY if SP_RATE = 01 or 10
 	 */
-	errata_chk = clk_ctl & CS35L35_SP_RATE_MASK;
+	errata_chk = (clk_ctl & CS35L35_SP_RATE_MASK) >> CS35L35_SP_RATE_SHIFT;
 
 	if (classh->classh_wk_fet_disable == 0x00 &&
-		(errata_chk == 0x01 || errata_chk == 0x03)) {
+		(errata_chk == 0x01 || errata_chk == 0x02)) {
 		ret = regmap_update_bits(cs35l35->regmap,
 					CS35L35_CLASS_H_FET_DRIVE_CTL,
 					CS35L35_CH_WKFET_DEL_MASK,
diff --git a/sound/soc/codecs/cs35l35.h b/sound/soc/codecs/cs35l35.h
index ffb154cd962c2..2117dcb08c467 100644
--- a/sound/soc/codecs/cs35l35.h
+++ b/sound/soc/codecs/cs35l35.h
@@ -168,6 +168,7 @@
 #define CS35L35_SP_SCLKS_48FS		0x0B
 #define CS35L35_SP_SCLKS_64FS		0x0F
 #define CS35L35_SP_RATE_MASK		0xC0
+#define CS35L35_SP_RATE_SHIFT		6
 
 #define CS35L35_PDN_BST_MASK		0x06
 #define CS35L35_PDN_BST_FETON_SHIFT	1
-- 
2.11.0




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