[alsa-devel] [PATCH] ASoC: cs42l51: Fix mask for REVID

[Axel Lin]

The REVID mask was changed by commit a1253ef6d3fa
"ASoC: cs42l51: split i2c from codec driver". Fix it.

Signed-off-by: Axel Lin <axel.lin at ingics.com>
---
 sound/soc/codecs/cs42l51.c | 3 ++-
 sound/soc/codecs/cs42l51.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index dadc20d..09488d9 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -548,7 +548,8 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
 		ret = -ENODEV;
 		goto error;
 	}
-	dev_info(dev, "Cirrus Logic CS42L51, Revision: %02X\n", val & 0xFF);
+	dev_info(dev, "Cirrus Logic CS42L51, Revision: %02X\n",
+		 val & CS42L51_CHIP_REV_MASK);
 
 	ret =  snd_soc_register_codec(dev,
 			&soc_codec_device_cs42l51, &cs42l51_dai, 1);
diff --git a/sound/soc/codecs/cs42l51.h b/sound/soc/codecs/cs42l51.h
index 641ef18..8c55bf3 100644
--- a/sound/soc/codecs/cs42l51.h
+++ b/sound/soc/codecs/cs42l51.h
@@ -26,6 +26,7 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap);
 #define CS42L51_CHIP_ID			0x1B
 #define CS42L51_CHIP_REV_A		0x00
 #define CS42L51_CHIP_REV_B		0x01
+#define CS42L51_CHIP_REV_MASK		0x07
 
 #define CS42L51_CHIP_REV_ID		0x01
 #define CS42L51_MK_CHIP_REV(a, b)	((a)<<3|(b))
-- 
1.8.3.2