[alsa-devel] [PATCH 1/4] ASoC: twl6040: Read the TRIM values from the chip
Peter Ujfalusi
peter.ujfalusi at ti.com
Thu Sep 15 14:45:15 CEST 2011
Update the reg_cache with values from chip regarding to TRIM.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
sound/soc/codecs/twl6040.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 063defc..638954c 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -279,9 +279,16 @@ static void twl6040_init_chip(struct snd_soc_codec *codec)
struct twl6040 *twl6040 = codec->control_data;
u8 val;
+ /* Update reg_cache: ASICREV, and TRIM values */
val = twl6040_get_revid(twl6040);
twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
+ twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
+ twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
+ twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
+ twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
+ twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
+
/* Change chip defaults */
/* No imput selected for microphone amplifiers */
twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
--
1.7.6.1
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