From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: alsa-devel@alsa-project.org, Sonic Zhang <sonic.zhang@analog.com>
Subject: [PATCH 5/6] ASoC: ad1980: verify cache at probe time
Date: Tue, 24 Aug 2010 15:09:43 +0200 [thread overview]
Message-ID: <1282655384-13357-5-git-send-email-u.kleine-koenig@pengutronix.de> (raw)
In-Reply-To: <1282655384-13357-1-git-send-email-u.kleine-koenig@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
sound/soc/codecs/ad1980.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
index 864e65d..a3e78d4 100644
--- a/sound/soc/codecs/ad1980.c
+++ b/sound/soc/codecs/ad1980.c
@@ -288,6 +288,19 @@ static int ad1980_soc_probe(struct platform_device *pdev)
snd_soc_add_controls(codec, ad1980_snd_ac97_controls,
ARRAY_SIZE(ad1980_snd_ac97_controls));
+#if AC97_USE_CACHE
+ pr_debug("%s: cache verify\n", __func__);
+ for (vendor_id2 = 0; vendor_id2 < 0x80; vendor_id2 += 2) {
+
+ u16 *cache = codec->reg_cache;
+ ret = soc_ac97_ops.read(codec->ac97, vendor_id2);
+ if (ret != cache[vendor_id2 >> 1])
+ pr_debug("%s: %02x -> %04x\n",
+ __func__, vendor_id2, ret);
+ }
+ pr_debug("%s: /cache verify\n", __func__);
+#endif
+
return 0;
reset_err:
--
1.7.1
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next prev parent reply other threads:[~2010-08-24 13:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-24 13:09 [PATCH 1/6] ASoC: ad1980: Stay in 20bit mode for architectures other than blackfin Uwe Kleine-König
2010-08-24 13:09 ` [PATCH 2/6] ASoC: ad1980: fix names of a few kcontrols Uwe Kleine-König
2010-08-27 18:11 ` Mark Brown
2010-08-24 13:09 ` [PATCH 3/6] ASoC: ad1980: remove unneeded function declaration Uwe Kleine-König
2010-08-27 18:12 ` Mark Brown
2010-08-28 8:14 ` Liam Girdwood
2010-08-29 13:53 ` Mark Brown
2010-08-24 13:09 ` [PATCH 4/6] ASoC: ad1980: make usage of register cache optional Uwe Kleine-König
2010-08-27 18:20 ` Mark Brown
2010-08-24 13:09 ` Uwe Kleine-König [this message]
2010-08-27 18:23 ` [PATCH 5/6] ASoC: ad1980: verify cache at probe time Mark Brown
2010-08-24 13:09 ` [PATCH 6/6] ASoC: ad1980: verify writes Uwe Kleine-König
2010-08-27 18:25 ` Mark Brown
2010-08-25 3:28 ` [PATCH 1/6] ASoC: ad1980: Stay in 20bit mode for architectures other than blackfin Zhang, Sonic
2010-08-25 5:03 ` Uwe Kleine-König
2010-08-27 18:06 ` Mark Brown
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