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ASoC: ad1980: Return proper error if vendor id mismatch

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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>
This commit is contained in:
Axel Lin 2011-09-06 10:37:48 +08:00 committed by Mark Brown
parent 3ed464659a
commit 0f73644f37
1 changed files with 7 additions and 3 deletions
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10
sound/soc/codecs/ad1980.c
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@ -200,18 +200,22 @@ static int ad1980_soc_probe(struct snd_soc_codec *codec)
} }
/* Read out vendor ID to make sure it is ad1980 */ /* 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; goto reset_err;
}
vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
if (vendor_id2 != 0x5370) { if (vendor_id2 != 0x5370) {
if (vendor_id2 != 0x5374) if (vendor_id2 != 0x5374) {
ret = -ENODEV;
goto reset_err; goto reset_err;
else } else {
printk(KERN_WARNING "ad1980: " printk(KERN_WARNING "ad1980: "
"Found AD1981 - only 2/2 IN/OUT Channels " "Found AD1981 - only 2/2 IN/OUT Channels "
"supported\n"); "supported\n");
}
} }
/* unmute captures and playbacks volume */ /* unmute captures and playbacks volume */