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Diffstat (limited to 'sound/soc/codecs/ad1980.c')
-rw-r--r--sound/soc/codecs/ad1980.c36
1 files changed, 12 insertions, 24 deletions
diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
index 3cc69a626454..9ef20dbccbe3 100644
--- a/sound/soc/codecs/ad1980.c
+++ b/sound/soc/codecs/ad1980.c
@@ -202,19 +202,21 @@ static struct snd_soc_dai_driver ad1980_dai = {
.formats = SND_SOC_STD_AC97_FMTS, },
};
+#define AD1980_VENDOR_ID 0x41445300
+#define AD1980_VENDOR_MASK 0xffffff00
+
static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
unsigned int retry_cnt = 0;
+ int ret;
do {
- if (try_warm && soc_ac97_ops->warm_reset) {
- soc_ac97_ops->warm_reset(ac97);
- if (snd_soc_read(codec, AC97_RESET) == 0x0090)
- return 1;
- }
+ ret = snd_ac97_reset(ac97, true, AD1980_VENDOR_ID,
+ AD1980_VENDOR_MASK);
+ if (ret >= 0)
+ return 0;
- soc_ac97_ops->reset(ac97);
/*
* Set bit 16slot in register 74h, then every slot will has only
* 16 bits. This command is sent out in 20bit mode, in which
@@ -223,8 +225,6 @@ static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
*/
snd_soc_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
- if (snd_soc_read(codec, AC97_RESET) == 0x0090)
- return 0;
} while (retry_cnt++ < 10);
dev_err(codec->dev, "Failed to reset: AC97 link error\n");
@@ -240,7 +240,7 @@ static int ad1980_soc_probe(struct snd_soc_codec *codec)
u16 vendor_id2;
u16 ext_status;
- ac97 = snd_soc_new_ac97_codec(codec);
+ ac97 = snd_soc_new_ac97_codec(codec, 0, 0);
if (IS_ERR(ac97)) {
ret = PTR_ERR(ac97);
dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
@@ -260,22 +260,10 @@ static int ad1980_soc_probe(struct snd_soc_codec *codec)
if (ret < 0)
goto reset_err;
- /* Read out vendor ID to make sure it is ad1980 */
- if (snd_soc_read(codec, AC97_VENDOR_ID1) != 0x4144) {
- ret = -ENODEV;
- goto reset_err;
- }
-
vendor_id2 = snd_soc_read(codec, AC97_VENDOR_ID2);
-
- if (vendor_id2 != 0x5370) {
- if (vendor_id2 != 0x5374) {
- ret = -ENODEV;
- goto reset_err;
- } else {
- dev_warn(codec->dev,
- "Found AD1981 - only 2/2 IN/OUT Channels supported\n");
- }
+ if (vendor_id2 == 0x5374) {
+ dev_warn(codec->dev,
+ "Found AD1981 - only 2/2 IN/OUT Channels supported\n");
}
/* unmute captures and playbacks volume */

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