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authorDimitris Papastamos <dp@opensource.wolfsonmicro.com>2010-10-04 19:28:59 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-10-05 20:57:10 +0400
commite595b3252f4a53fc52227ca7a8b94199f9f319a9 (patch)
treec596ef3f21f9864416078bf42abdb93020a03178 /sound/soc/codecs/wm8804.c
parentf479fd93d4028afccf155dec736c6d49cde92571 (diff)
downloadlinux-e595b3252f4a53fc52227ca7a8b94199f9f319a9.tar.xz
ASoC: WM8804: Retrieve the device revision and print it
Be verbose and print out the device revision. Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8804.c')
-rw-r--r--sound/soc/codecs/wm8804.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c
index 2657f5c7ff08..642b07ceddfa 100644
--- a/sound/soc/codecs/wm8804.c
+++ b/sound/soc/codecs/wm8804.c
@@ -643,6 +643,14 @@ static int wm8804_probe(struct snd_soc_codec *codec)
goto err_reg_enable;
}
+ ret = snd_soc_read(codec, WM8804_DEVREV);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to read device revision: %d\n",
+ ret);
+ goto err_reg_enable;
+ }
+ dev_info(codec->dev, "revision %c\n", ret + 'A');
+
ret = wm8804_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);