ASoC: twl6040: Read the TRIM values from the chip

Update the reg_cache with values from chip regarding to TRIM.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 91b98186d072..7226ae788f2d 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -278,9 +278,16 @@ 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);