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authorMark Brown <broonie@opensource.wolfsonmicro.com>2008-08-15 16:22:33 +0100
committerTakashi Iwai <tiwai@suse.de>2008-08-15 17:43:47 +0200
commit97bb8129e5deb3c0584391a5d2348966732e2233 (patch)
treee848e1e8d807a45269d601106f46e64cf942f065 /sound
parent436a74593c34275807fadef20344bbaca251b8d1 (diff)
ALSA: wm8990: Implement speaker volume PGA
The latest revisions of the WM8990 provide a programmable gain amplifier for the speaker - configure the register cache and implement controls for this. Older revisions of the device ignore writes to these controls. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8990.c8
-rw-r--r--sound/soc/codecs/wm8990.h14
2 files changed, 18 insertions, 4 deletions
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c
index 9505a18fa606..e44153fa38de 100644
--- a/sound/soc/codecs/wm8990.c
+++ b/sound/soc/codecs/wm8990.c
@@ -82,7 +82,7 @@ static const u16 wm8990_reg[] = {
0x0003, /* R35 - ClassD1 */
0x0000, /* R36 */
0x0100, /* R37 - ClassD3 */
- 0x0000, /* R38 */
+ 0x0079, /* R38 - ClassD4 */
0x0000, /* R39 - Input Mixer1 */
0x0000, /* R40 - Input Mixer2 */
0x0000, /* R41 - Input Mixer3 */
@@ -311,11 +311,15 @@ SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
WM8990_CDMODE_BIT, 1, 0),
SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
- WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0),
+ WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
+SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
+ WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
+SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
+ WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
WM8990_LEFT_DAC_DIGITAL_VOLUME,
diff --git a/sound/soc/codecs/wm8990.h b/sound/soc/codecs/wm8990.h
index 6bea57485283..0a08325d5443 100644
--- a/sound/soc/codecs/wm8990.h
+++ b/sound/soc/codecs/wm8990.h
@@ -54,6 +54,7 @@
#define WM8990_SPEAKER_VOLUME 0x22
#define WM8990_CLASSD1 0x23
#define WM8990_CLASSD3 0x25
+#define WM8990_CLASSD4 0x26
#define WM8990_INPUT_MIXER1 0x27
#define WM8990_INPUT_MIXER2 0x28
#define WM8990_INPUT_MIXER3 0x29
@@ -528,8 +529,8 @@
/*
* R34 (0x22) - Speaker Volume
*/
-#define WM8990_SPKVOL_MASK 0x0003 /* SPKVOL - [1:0] */
-#define WM8990_SPKVOL_SHIFT 0
+#define WM8990_SPKATTN_MASK 0x0003 /* SPKATTN - [1:0] */
+#define WM8990_SPKATTN_SHIFT 0
/*
* R35 (0x23) - ClassD1
@@ -544,6 +545,15 @@
#define WM8990_DCGAIN_SHIFT 3
#define WM8990_ACGAIN_MASK 0x0007 /* ACGAIN - [2:0] */
#define WM8990_ACGAIN_SHIFT 0
+
+/*
+ * R38 (0x26) - ClassD4
+ */
+#define WM8990_SPKZC_MASK 0x0001 /* SPKZC */
+#define WM8990_SPKZC_SHIFT 7 /* SPKZC */
+#define WM8990_SPKVOL_MASK 0x007F /* SPKVOL - [6:0] */
+#define WM8990_SPKVOL_SHIFT 0 /* SPKVOL - [6:0] */
+
/*
* R39 (0x27) - Input Mixer1
*/

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