From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Samuel Ortiz <sameo@linux.intel.com>
Cc: linux-kernel@vger.kernel.org,
patches@opensource.wolfsonmicro.com,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH 06/15] mfd: arizona: Support configuring MICBIASes into bypass mode
Date: Mon, 1 Apr 2013 18:28:03 +0100 [thread overview]
Message-ID: <1364837292-30191-6-git-send-email-broonie@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1364837292-30191-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/mfd/arizona-core.c | 12 +++++++++++-
include/linux/mfd/arizona/pdata.h | 1 +
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index b562c7b..c9df7be 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -511,10 +511,16 @@ int arizona_dev_init(struct arizona *arizona)
}
for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
- if (!arizona->pdata.micbias[i].mV)
+ if (!arizona->pdata.micbias[i].mV &&
+ !arizona->pdata.micbias[i].bypass)
continue;
+ /* Apply default for bypass mode */
+ if (!arizona->pdata.micbias[i].mV)
+ arizona->pdata.micbias[i].mV = 2800;
+
val = (arizona->pdata.micbias[i].mV - 1500) / 100;
+
val <<= ARIZONA_MICB1_LVL_SHIFT;
if (arizona->pdata.micbias[i].ext_cap)
@@ -526,10 +532,14 @@ int arizona_dev_init(struct arizona *arizona)
if (arizona->pdata.micbias[i].fast_start)
val |= ARIZONA_MICB1_RATE;
+ if (arizona->pdata.micbias[i].bypass)
+ val |= ARIZONA_MICB1_BYPASS;
+
regmap_update_bits(arizona->regmap,
ARIZONA_MIC_BIAS_CTRL_1 + i,
ARIZONA_MICB1_LVL_MASK |
ARIZONA_MICB1_DISCH |
+ ARIZONA_MICB1_BYPASS |
ARIZONA_MICB1_RATE, val);
}
diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h
index 8755dd0..554d903 100644
--- a/include/linux/mfd/arizona/pdata.h
+++ b/include/linux/mfd/arizona/pdata.h
@@ -78,6 +78,7 @@ struct arizona_micbias {
unsigned int ext_cap:1; /** External capacitor fitted */
unsigned int discharge:1; /** Actively discharge */
unsigned int fast_start:1; /** Enable aggressive startup ramp rate */
+ unsigned int bypass:1; /** Use bypass mode */
};
struct arizona_micd_config {
--
1.7.10.4
next prev parent reply other threads:[~2013-04-01 17:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-01 17:27 [PATCH 0/15] arizona updates for v3.10 Mark Brown
2013-04-01 17:27 ` [PATCH 01/15] mfd: arizona: Disable all wake sources by default Mark Brown
2013-04-01 17:27 ` [PATCH 02/15] mfd: arizona: Clarify error message for failed primary IRQ request Mark Brown
2013-04-01 17:28 ` [PATCH 03/15] mfd: arizona: Basic support for edge triggered IRQs Mark Brown
2013-04-01 17:28 ` [PATCH 04/15] mfd: arizona: Allow GPIO to be specified for IRQ line Mark Brown
2013-04-01 17:28 ` [PATCH 05/15] mfd: arizona: Try to use interrupt flags from interrupt controller Mark Brown
2013-04-01 17:28 ` Mark Brown [this message]
2013-04-01 17:28 ` [PATCH 07/15] mfd: wm5102: Update patch for latest evaluation Mark Brown
2013-04-01 17:28 ` [PATCH 08/15] mfd: arizona: Fully support the use of MCLK1 as the 32kHz clock source Mark Brown
2013-04-01 17:28 ` [PATCH 09/15] mfd: arizona: Unconditionally enable 32kHz clock Mark Brown
2013-04-01 17:28 ` [PATCH 10/15] mfd: wm5102: Only use the lowest three bits of device revision Mark Brown
2013-04-01 17:28 ` [PATCH 11/15] mfd: wm5102: Manually apply register patch Mark Brown
2013-04-01 17:28 ` [PATCH 12/15] mfd: arizona: Factor out register polling Mark Brown
2013-04-01 17:28 ` [PATCH 13/15] mfd: arizona: Add a hardware patch mechanism Mark Brown
2013-04-01 17:28 ` [PATCH 14/15] mfd: wm5102: Deactivate standard boot sequence Mark Brown
2013-04-01 17:28 ` [PATCH 15/15] mfd: wm5102: Update defaults to match patch Mark Brown
2013-04-03 18:04 ` [PATCH 0/15] arizona updates for v3.10 Mark Brown
2013-04-03 18:05 ` [PATCH 1/3] mfd: arizona: Hold device in reset while ramping supplies Mark Brown
2013-04-03 18:05 ` [PATCH 2/3] mfd: arizona: Wait for internal clocks to startup after reset Mark Brown
2013-04-03 18:05 ` [PATCH 3/3] mfd: wm5102: Don't wait for boot when boot sequencer is disabled Mark Brown
2013-04-08 9:25 ` [PATCH 0/15] arizona updates for v3.10 Samuel Ortiz
2013-04-08 9:38 ` Samuel Ortiz
2013-04-08 10:04 ` Mark Brown
2013-04-08 10:19 ` Mark Brown
2013-04-08 14:31 ` Samuel Ortiz
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