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Commit 3fba19ec authored by David Brownell's avatar David Brownell Committed by Samuel Ortiz
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mfd: allow reading entire register banks on twl4030 



Minor change to the TWL4030 utility interface:  support reads
of all 256 bytes in each register bank (vs just 255).  This
can help when debugging, but is otherwise a NOP.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarSamuel Ortiz <sameo@openedhand.com>
parent 67488526

drivers/mfd/twl4030-core.c

+2 −2
Original line number Diff line number Diff line
@@ -225,7 +225,7 @@ static struct twl4030mapping twl4030_map[TWL4030_MODULE_LAST + 1] = { 
 *

 * Returns the result of operation - 0 is success

 */

int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)

int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)

{

	int ret;

	int sid;
@@ -274,7 +274,7 @@ EXPORT_SYMBOL(twl4030_i2c_write); 
 *

 * Returns result of operation - num_bytes is success else failure.

 */

int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)

int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)

{

	int ret;

	u8 val;

include/linux/i2c/twl4030.h

+2 −2
Original line number Diff line number Diff line
@@ -78,8 +78,8 @@ int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg); 
 * IMPORTANT:  For twl4030_i2c_write(), allocate num_bytes + 1

 * for the value, and populate your data starting at offset 1.

 */

int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);

int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);

int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);

int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);



/*----------------------------------------------------------------------*/