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Date: Thu, 9 Jan 2014 14:29:24 +0000
From: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To: lee.jones@...aro.org
Cc: sameo@...ux.intel.com, broonie@...nel.org, lgirdwood@...il.com,
alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
patches@...nsource.wolfsonmicro.com
Subject: [PATCH v2 1/2] mfd: wm5110: Add registers for headphone short circuit control
Add the registers necessary to enable/disable the headphone short
circuit protection.
Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
---
drivers/mfd/wm5110-tables.c | 6 ++++++
include/linux/mfd/arizona/registers.h | 27 +++++++++++++++++++++++++++
2 files changed, 33 insertions(+), 0 deletions(-)
Changes since v1:
- Add switch to the control names in the second patch in the series.
Thanks,
Charles
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 24ec464..30f8163 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -637,6 +637,9 @@ static const struct reg_default wm5110_reg_default[] = {
{ 0x00000491, 0x0000 }, /* R1169 - PDM SPK1 CTRL 2 */
{ 0x00000492, 0x0069 }, /* R1170 - PDM SPK2 CTRL 1 */
{ 0x00000493, 0x0000 }, /* R1171 - PDM SPK2 CTRL 2 */
+ { 0x000004A0, 0x3480 }, /* R1184 - HP1 Short Circuit Ctrl */
+ { 0x000004A1, 0x3480 }, /* R1185 - HP2 Short Circuit Ctrl */
+ { 0x000004A2, 0x3480 }, /* R1186 - HP3 Short Circuit Ctrl */
{ 0x00000500, 0x000C }, /* R1280 - AIF1 BCLK Ctrl */
{ 0x00000501, 0x0008 }, /* R1281 - AIF1 Tx Pin Ctrl */
{ 0x00000502, 0x0000 }, /* R1282 - AIF1 Rx Pin Ctrl */
@@ -1633,6 +1636,9 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_PDM_SPK1_CTRL_2:
case ARIZONA_PDM_SPK2_CTRL_1:
case ARIZONA_PDM_SPK2_CTRL_2:
+ case ARIZONA_HP1_SHORT_CIRCUIT_CTRL:
+ case ARIZONA_HP2_SHORT_CIRCUIT_CTRL:
+ case ARIZONA_HP3_SHORT_CIRCUIT_CTRL:
case ARIZONA_AIF1_BCLK_CTRL:
case ARIZONA_AIF1_TX_PIN_CTRL:
case ARIZONA_AIF1_RX_PIN_CTRL:
diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index b40960d..2d3ac50 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -226,6 +226,9 @@
#define ARIZONA_PDM_SPK1_CTRL_2 0x491
#define ARIZONA_PDM_SPK2_CTRL_1 0x492
#define ARIZONA_PDM_SPK2_CTRL_2 0x493
+#define ARIZONA_HP1_SHORT_CIRCUIT_CTRL 0x4A0
+#define ARIZONA_HP2_SHORT_CIRCUIT_CTRL 0x4A1
+#define ARIZONA_HP3_SHORT_CIRCUIT_CTRL 0x4A2
#define ARIZONA_SPK_CTRL_2 0x4B5
#define ARIZONA_SPK_CTRL_3 0x4B6
#define ARIZONA_DAC_COMP_1 0x4DC
@@ -3297,6 +3300,30 @@
#define ARIZONA_SPK2_FMT_WIDTH 1 /* SPK2_FMT */
/*
+ * R1184 (0x4A0) - HP1 Short Circuit Ctrl
+ */
+#define ARIZONA_HP1_SC_ENA 0x1000 /* HP1_SC_ENA */
+#define ARIZONA_HP1_SC_ENA_MASK 0x1000 /* HP1_SC_ENA */
+#define ARIZONA_HP1_SC_ENA_SHIFT 12 /* HP1_SC_ENA */
+#define ARIZONA_HP1_SC_ENA_WIDTH 1 /* HP1_SC_ENA */
+
+/*
+ * R1185 (0x4A1) - HP2 Short Circuit Ctrl
+ */
+#define ARIZONA_HP2_SC_ENA 0x1000 /* HP2_SC_ENA */
+#define ARIZONA_HP2_SC_ENA_MASK 0x1000 /* HP2_SC_ENA */
+#define ARIZONA_HP2_SC_ENA_SHIFT 12 /* HP2_SC_ENA */
+#define ARIZONA_HP2_SC_ENA_WIDTH 1 /* HP2_SC_ENA */
+
+/*
+ * R1186 (0x4A2) - HP3 Short Circuit Ctrl
+ */
+#define ARIZONA_HP3_SC_ENA 0x1000 /* HP3_SC_ENA */
+#define ARIZONA_HP3_SC_ENA_MASK 0x1000 /* HP3_SC_ENA */
+#define ARIZONA_HP3_SC_ENA_SHIFT 12 /* HP3_SC_ENA */
+#define ARIZONA_HP3_SC_ENA_WIDTH 1 /* HP3_SC_ENA */
+
+/*
* R1244 (0x4DC) - DAC comp 1
*/
#define ARIZONA_OUT_COMP_COEFF_MASK 0xFFFF /* OUT_COMP_COEFF - [15:0] */
--
1.7.2.5
--
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