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mfd: Introduce remove_script function for twl4030

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New function twl4030_remove_script(u8 flags) takes a script type as
defined in twl.h and prevents any script already loaded in that position
from running.  This is accomplished by programming SEQ_ADD_* to 0x3f,
the END_OF_SCRIPT value, where SEQ_ADD_* is determined by flags.

(Future) users of this function include OMAP board files for machines
facing a race condition between sleep and warm reset.

Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mike Turquette 2010-02-22 11:16:30 -06:00 • committed by Samuel Ortiz
parent 3d8ca8c0b9
commit 11a441ce82
2 changed files with 51 additions and 0 deletions
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1
include/linux/i2c/twl.h
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@ -550,6 +550,7 @@ struct twl4030_power_data {
};
extern void twl4030_power_init(struct twl4030_power_data *triton2_scripts);
extern int twl4030_remove_script(u8 flags);
struct twl4030_codec_audio_data {
unsigned int audio_mclk;