'twl4030-poweroff' module was removed sometime back. This patch adds back this capability. We don't really need a whole new driver just for initializing one pointer. Initialize pm_power_off in twl4030-core.c
Signed-off-by: Vimal Singh <[email protected]> CC: Felipe Balbi <[email protected]> --- This patch is compile tested only. This patch is based on Felipe Balbi's patch posted earlier: http://markmail.org/message/ts4if3553qnauket drivers/mfd/twl4030-core.c | 31 +++++++++++++++++++++++++++++++ 1 files changed, 31 insertions(+) Index: linux-omap-2.6/drivers/mfd/twl4030-core.c =================================================================== --- linux-omap-2.6.orig/drivers/mfd/twl4030-core.c +++ linux-omap-2.6/drivers/mfd/twl4030-core.c @@ -178,6 +178,10 @@ #define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */ #define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */ +/* for pm_power_off */ +#define PWR_P1_SW_EVENTS 0x10 +#define PWR_DEVOFF (1 << 0) + /*----------------------------------------------------------------------*/ /* is driver active, bound to a chip? */ @@ -754,6 +758,30 @@ static int twl4030_remove(struct i2c_cli return 0; } +static void twl4030_poweroff(void) +{ + int err; + u8 val; + + err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &val, + PWR_P1_SW_EVENTS); + if (err) { + pr_err("%s: i2c error %d while reading TWL4030" + "PM_MASTER P1_SW_EVENTS\n", + DRIVER_NAME, err); + return; + } + + val |= PWR_DEVOFF; + + err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, val, + PWR_P1_SW_EVENTS); + if (err) + pr_err("%s: i2c error %d while writing TWL4030" + "PM_MASTER P1_SW_EVENTS\n", + DRIVER_NAME, err); +} + /* NOTE: this driver only handles a single twl4030/tps659x0 chip */ static int twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -811,6 +839,9 @@ twl4030_probe(struct i2c_client *client, goto fail; } + /* initialize pm_power_off routine */ + pm_power_off = twl4030_poweroff; + status = add_children(pdata, id->driver_data); fail: if (status < 0) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
