From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Mike Arthur <linux@wolfsonmicro.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Liam Girdwood <lrg@ti.com>,
alsa-devel@alsa-project.org
Subject: [PATCH 02/11] ASoC: wm8711: Convert to snd_soc_write
Date: Fri, 07 Oct 2011 07:46:39 +0800 [thread overview]
Message-ID: <1317944799.5579.5.camel@phoenix> (raw)
In-Reply-To: <1317944619.5579.1.camel@phoenix>
Convert codec->hw_write to snd_soc_write
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
sound/soc/codecs/wm8711.c | 33 ++++++++++++++++++++++-----------
1 files changed, 22 insertions(+), 11 deletions(-)
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index 47c7fd5..f4c15ea 100644
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -287,6 +287,25 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai,
return 0;
}
+static void wm8711_sync_cache(struct snd_soc_codec *codec)
+{
+ short i;
+ u16 *cache;
+
+ if (!codec->cache_sync)
+ return;
+ codec->cache_only = 0;
+ codec->cache_bypass = 1;
+ /* restore cache */
+ cache = codec->reg_cache;
+ for (i = 0; i < codec->driver->reg_cache_size; i++) {
+ if (i == WM8711_RESET || cache[i] == wm8711_reg[i])
+ continue;
+ snd_soc_write(codec, i, cache[i]);
+ }
+ codec->cache_bypass = 0;
+ codec->cache_sync = 0;
+}
static int wm8711_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
@@ -300,6 +319,9 @@ static int wm8711_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)
+ wm8711_sync_cache(codec);
+
snd_soc_write(codec, WM8711_PWR, reg | 0x0040);
break;
case SND_SOC_BIAS_OFF:
@@ -346,18 +368,7 @@ static int wm8711_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8711_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8711_reg); i++) {
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
wm8711_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
--
1.7.4.1
next prev parent reply other threads:[~2011-10-06 23:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-06 23:43 [PATCH 00/11 v2] Convert wm8xxx codec drivers to use snd_soc_write/snd_soc_cache_sync Axel Lin
2011-10-06 23:45 ` [PATCH 01/11] ASoC: wm8510: Convert to snd_soc_write Axel Lin
2011-10-07 2:40 ` [PATCH 01/11 RESEND] " Axel Lin
2011-10-07 9:57 ` Mark Brown
2011-10-07 13:10 ` Axel Lin
2011-10-06 23:46 ` Axel Lin [this message]
2011-10-06 23:47 ` [PATCH 03/11] ASoC: wm8731: " Axel Lin
2011-10-06 23:49 ` [PATCH 04/11] ASoC: wm8750: " Axel Lin
2011-10-06 23:50 ` [PATCH 05/11] ASoC: wm8776: " Axel Lin
2011-10-06 23:52 ` [PATCH 06/11] ASoC: wm8940: Convert to snd_soc_cache_sync Axel Lin
2011-10-06 23:53 ` [PATCH 07/11] ASoC: wm8960: Convert to snd_soc_write Axel Lin
2011-10-06 23:54 ` [PATCH 08/11] ASoC: wm8971: " Axel Lin
2011-10-06 23:55 ` [PATCH 09/11] ASoC: wm8974: " Axel Lin
2011-10-06 23:55 ` [PATCH 10/11] ASoC: wm8988: " Axel Lin
2011-10-06 23:56 ` [PATCH 11/11] ASoC: wm8990: Convert to snd_soc_cache_sync Axel Lin
2011-10-07 10:23 ` Mark Brown
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