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ASoC: Ensure we get an impedence reported for WM8958 jack detect

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Occasionally we may see an accessory reported before we have a stable
impedance for the accessory. If this happens then reread the status in
order to ensure that the handler can take the appropriate action for the
status change.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-08-19 18:05:05 +09:00
commit 19940b3d55
2 changed files with 41 additions and 11 deletions
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15
include/linux/mfd/wm8994/registers.h
View file

@ -1962,6 +1962,21 @@
#define WM8958_MICB2_DISCH_SHIFT 0 /* MICB2_DISCH */
#define WM8958_MICB2_DISCH_WIDTH 1 /* MICB2_DISCH */
/*
* R210 (0xD2) - Mic Detect 3
*/
#define WM8958_MICD_LVL_MASK 0x07FC /* MICD_LVL - [10:2] */
#define WM8958_MICD_LVL_SHIFT 2 /* MICD_LVL - [10:2] */
#define WM8958_MICD_LVL_WIDTH 9 /* MICD_LVL - [10:2] */
#define WM8958_MICD_VALID 0x0002 /* MICD_VALID */
#define WM8958_MICD_VALID_MASK 0x0002 /* MICD_VALID */
#define WM8958_MICD_VALID_SHIFT 1 /* MICD_VALID */
#define WM8958_MICD_VALID_WIDTH 1 /* MICD_VALID */
#define WM8958_MICD_STS 0x0001 /* MICD_STS */
#define WM8958_MICD_STS_MASK 0x0001 /* MICD_STS */
#define WM8958_MICD_STS_SHIFT 0 /* MICD_STS */
#define WM8958_MICD_STS_WIDTH 1 /* MICD_STS */
/*
* R76 (0x4C) - Charge Pump (1)
*/