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| author |   Axel Lin <axel.lin@gmail.com> | 2011-09-06 10:37:48 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-09-08 15:39:51 -0700 |
| commit | 0f73644f372281f2f9c33a0459dfdfc8bc77fbda (patch) | |
| tree | e4b0f7af29cda197c2fc5d64b717aa4d9b4a5b99 /sound/soc/codecs/ad1980.c | |
| parent | ASoC: Remove unused step size from debugfs CODEC write function (diff) | |
| download | wireguard-linux-0f73644f372281f2f9c33a0459dfdfc8bc77fbda.tar.xz wireguard-linux-0f73644f372281f2f9c33a0459dfdfc8bc77fbda.zip | |
ASoC: ad1980: Return proper error if vendor id mismatch
Return -ENODEV instead of 0 if vendor id mismatch.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/ad1980.c')
| -rw-r--r-- | sound/soc/codecs/ad1980.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c index 923b364a3e41..4c0fc30a4ccb 100644 --- a/sound/soc/codecs/ad1980.c +++ b/sound/soc/codecs/ad1980.c @@ -200,18 +200,22 @@ static int ad1980_soc_probe(struct snd_soc_codec *codec) } /* Read out vendor ID to make sure it is ad1980 */ - if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) + if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) { + ret = -ENODEV; goto reset_err; + } vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); if (vendor_id2 != 0x5370) { - if (vendor_id2 != 0x5374) + if (vendor_id2 != 0x5374) { + ret = -ENODEV; goto reset_err; - else + } else { printk(KERN_WARNING "ad1980: " "Found AD1981 - only 2/2 IN/OUT Channels " "supported\n"); + } } /* unmute captures and playbacks volume */ |