* [PATCH] ASoC: ad1980: Return proper error if vendor id mismatch
@ 2011-09-06 2:37 Axel Lin
2011-09-08 22:43 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2011-09-06 2:37 UTC (permalink / raw)
To: linux-kernel; +Cc: Roy Huang, Cliff Cai, Liam Girdwood, Mark Brown, alsa-devel
Return -ENODEV instead of 0 if vendor id mismatch.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
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 923b364..4c0fc30 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 */
--
1.7.4.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ASoC: ad1980: Return proper error if vendor id mismatch
2011-09-06 2:37 [PATCH] ASoC: ad1980: Return proper error if vendor id mismatch Axel Lin
@ 2011-09-08 22:43 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2011-09-08 22:43 UTC (permalink / raw)
To: Axel Lin; +Cc: linux-kernel, Roy Huang, Cliff Cai, Liam Girdwood, alsa-devel
On Tue, Sep 06, 2011 at 10:37:48AM +0800, Axel Lin wrote:
> Return -ENODEV instead of 0 if vendor id mismatch.
>
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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