From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>,
Liam Girdwood <lrg@ti.com>,
Dimitris Papastamos <dp@opensource.wolfsonmicro.com>,
alsa-devel@alsa-project.org
Subject: [PATCH v3 08/10] ASoC: wm8971: Convert to snd_soc_cache_sync
Date: Fri, 07 Oct 2011 21:52:00 +0800 [thread overview]
Message-ID: <1317995520.9906.15.camel@phoenix> (raw)
In-Reply-To: <1317994508.9906.1.camel@phoenix>
Convert to snd_soc_cache_sync for sync reg_cache with the hardware.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
sound/soc/codecs/wm8971.c | 15 +++------------
1 files changed, 3 insertions(+), 12 deletions(-)
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 08ea6f8..b444b29 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -546,6 +546,9 @@ static int wm8971_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+ snd_soc_cache_sync(codec);
+
/* mute dac and set vmid to 500k, enable VREF */
snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
break;
@@ -605,20 +608,8 @@ static int wm8971_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8971_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
u16 reg;
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8971_reg); i++) {
- if (i == WM8971_RESET)
- continue;
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
-
wm8971_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* charge wm8971 caps */
--
1.7.4.1
next prev parent reply other threads:[~2011-10-07 13:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 13:35 [PATCH v3 00/10] Convert wm8xxx codec drivers to use snd_soc_write/snd_soc_cache_sync Axel Lin
2011-10-07 13:36 ` [PATCH v3 01/10] ASoC: wm8510: Convert to snd_soc_cache_sync Axel Lin
2011-10-10 9:33 ` Mark Brown
2011-10-07 13:37 ` [PATCH v3 02/10] ASoC: wm8711: " Axel Lin
2011-10-07 13:39 ` [PATCH v3 03/10] ASoC: wm8731: " Axel Lin
2011-10-07 13:40 ` [PATCH v3 04/10] ASoC: wm8750: " Axel Lin
2011-10-07 13:41 ` [PATCH v3 05/10] ASoC: wm8776: " Axel Lin
2011-10-07 13:42 ` [PATCH v3 06/10] ASoC: wm8940: " Axel Lin
2011-10-07 13:50 ` [PATCH v3 07/10] ASoC: wm8960: " Axel Lin
2011-10-07 13:52 ` Axel Lin [this message]
2011-10-07 13:52 ` [PATCH v3 09/10] ASoC: wm8974: " Axel Lin
2011-10-07 13:53 ` [PATCH v3 10/10] ASoC: wm8988: " Axel Lin
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