From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Kenneth Kiraly <kiraly@lab126.com>,
alsa-devel@alsa-project.org,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Liam Girdwood <lrg@ti.com>
Subject: [PATCH 08/11] ASoC: wm8971: Convert to snd_soc_write
Date: Fri, 07 Oct 2011 07:54:15 +0800 [thread overview]
Message-ID: <1317945255.5579.14.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/wm8971.c | 35 +++++++++++++++++++++++------------
1 files changed, 23 insertions(+), 12 deletions(-)
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 08ea6f8..2265e00 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -533,6 +533,26 @@ static int wm8971_mute(struct snd_soc_dai *dai, int mute)
return 0;
}
+static void wm8971_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 == WM8971_RESET || cache[i] == wm8971_reg[i])
+ continue;
+ snd_soc_write(codec, i, cache[i]);
+ }
+ codec->cache_bypass = 0;
+ codec->cache_sync = 0;
+}
+
static int wm8971_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
@@ -546,6 +566,9 @@ 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)
+ wm8971_sync_cache(codec);
+
/* mute dac and set vmid to 500k, enable VREF */
snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
break;
@@ -605,20 +628,8 @@ 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
WARNING: multiple messages have this Message-ID (diff)
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>,
alsa-devel@alsa-project.org, Kenneth Kiraly <kiraly@lab126.com>
Subject: [PATCH 08/11] ASoC: wm8971: Convert to snd_soc_write
Date: Fri, 07 Oct 2011 07:54:15 +0800 [thread overview]
Message-ID: <1317945255.5579.14.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/wm8971.c | 35 +++++++++++++++++++++++------------
1 files changed, 23 insertions(+), 12 deletions(-)
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 08ea6f8..2265e00 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -533,6 +533,26 @@ static int wm8971_mute(struct snd_soc_dai *dai, int mute)
return 0;
}
+static void wm8971_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 == WM8971_RESET || cache[i] == wm8971_reg[i])
+ continue;
+ snd_soc_write(codec, i, cache[i]);
+ }
+ codec->cache_bypass = 0;
+ codec->cache_sync = 0;
+}
+
static int wm8971_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
@@ -546,6 +566,9 @@ 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)
+ wm8971_sync_cache(codec);
+
/* mute dac and set vmid to 500k, enable VREF */
snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
break;
@@ -605,20 +628,8 @@ 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:[~2011-10-06 23:54 UTC|newest]
Thread overview: 30+ 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 23:43 ` Axel Lin
2011-10-06 23:45 ` [PATCH 01/11] ASoC: wm8510: Convert to snd_soc_write Axel Lin
2011-10-06 23:45 ` Axel Lin
2011-10-07 2:40 ` [PATCH 01/11 RESEND] " Axel Lin
2011-10-07 2:40 ` Axel Lin
2011-10-07 9:57 ` Mark Brown
2011-10-07 9:57 ` Mark Brown
2011-10-07 13:10 ` Axel Lin
2011-10-06 23:46 ` [PATCH 02/11] ASoC: wm8711: " Axel Lin
2011-10-06 23:46 ` Axel Lin
2011-10-06 23:47 ` [PATCH 03/11] ASoC: wm8731: " Axel Lin
2011-10-06 23:47 ` Axel Lin
2011-10-06 23:49 ` [PATCH 04/11] ASoC: wm8750: " Axel Lin
2011-10-06 23:49 ` Axel Lin
2011-10-06 23:50 ` [PATCH 05/11] ASoC: wm8776: " Axel Lin
2011-10-06 23:50 ` 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 23:53 ` Axel Lin
2011-10-06 23:54 ` Axel Lin [this message]
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 ` Axel Lin
2011-10-06 23:55 ` [PATCH 10/11] ASoC: wm8988: " Axel Lin
2011-10-06 23:55 ` Axel Lin
2011-10-06 23:56 ` [PATCH 11/11] ASoC: wm8990: Convert to snd_soc_cache_sync Axel Lin
2011-10-06 23:56 ` Axel Lin
2011-10-07 10:23 ` Mark Brown
2011-10-07 10:23 ` Mark Brown
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