diff options
Diffstat (limited to 'drivers/misc/ti-st/st_ll.c')
| -rw-r--r-- | drivers/misc/ti-st/st_ll.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c index 9e2c257f65fe..0025dde6a6d9 100644 --- a/drivers/misc/ti-st/st_ll.c +++ b/drivers/misc/ti-st/st_ll.c @@ -54,25 +54,31 @@ static void ll_device_want_to_sleep(struct st_data_s *st_data) /* communicate to platform about chip asleep */ kim_data = st_data->kim_data; pdata = kim_data->kim_pdev->dev.platform_data; + if (pdata->chip_asleep) + pdata->chip_asleep(); } static void ll_device_want_to_wakeup(struct st_data_s *st_data) { + struct kim_data_s *kim_data = st_data->kim_data; + struct ti_st_plat_data *pdata = kim_data->kim_pdev->dev.platform_data; + /* diff actions in diff states */ switch (st_data->ll_state) { case ST_LL_ASLEEP: /* communicate to platform about chip wakeup */ + if (pdata->chip_awake) + pdata->chip_awake(); + send_ll_cmd(st_data, LL_WAKE_UP_ACK); /* send wake_ack */ break; case ST_LL_ASLEEP_TO_AWAKE: /* duplicate wake_ind */ - pr_debug("duplicate wake_ind while waiting for Wake ack"); - send_ll_cmd(st_data, LL_WAKE_UP_ACK); /* send wake_ack */ + pr_err("duplicate wake_ind while waiting for Wake ack"); break; case ST_LL_AWAKE: /* duplicate wake_ind */ - pr_debug("duplicate wake_ind already AWAKE"); - send_ll_cmd(st_data, LL_WAKE_UP_ACK); /* send wake_ack */ + pr_err("duplicate wake_ind already AWAKE"); break; case ST_LL_AWAKE_TO_ASLEEP: /* duplicate wake_ind */ @@ -91,7 +97,12 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data) * enable ST LL */ void st_ll_enable(struct st_data_s *ll) { - /* communicate to platform about chip enable */ + struct kim_data_s *kim_data = ll->kim_data; + struct ti_st_plat_data *pdata = kim_data->kim_pdev->dev.platform_data; + /* communicate to platform about chip enable */ + if (pdata->chip_enable) + pdata->chip_enable(); + ll->ll_state = ST_LL_AWAKE; } @@ -99,7 +110,12 @@ void st_ll_enable(struct st_data_s *ll) * disable ST LL */ void st_ll_disable(struct st_data_s *ll) { - /* communicate to platform about chip disable */ + struct kim_data_s *kim_data = ll->kim_data; + struct ti_st_plat_data *pdata = kim_data->kim_pdev->dev.platform_data; + /* communicate to platform about chip disable */ + if (pdata->chip_disable) + pdata->chip_disable(); + ll->ll_state = ST_LL_INVALID; } @@ -111,6 +127,8 @@ void st_ll_wakeup(struct st_data_s *ll) if (likely(ll->ll_state != ST_LL_AWAKE)) { /* communicate to platform about chip wakeup */ + if (pdata->chip_awake) + pdata->chip_awake(); send_ll_cmd(ll, LL_WAKE_UP_IND); /* WAKE_IND */ ll->ll_state = ST_LL_ASLEEP_TO_AWAKE; } else { |