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synaptics_mmi: DSI bound suspend/resume

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DSI framework can send notifications from multiple channels.
Add device tree option to bind suspend/resume notifier to certain
DSI channel. This change applies to both: FB and DRM

Change-Id: Ie305914b8409415f6cf43182892fb52cfc524d3a
Signed-off-by: Konstantin Makariev <hcv867@motorola.com>
Reviewed-on: https://gerrit.mot.com/1214307
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Ryan Lattrel <ryanl@motorola.com>
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Konstantin Makariev 2018-07-23 15:52:40 -05:00 • committed by Konstantin Makariev
commit 66ae30dd9c
2 changed files with 14 additions and 2 deletions
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15
drivers/input/touchscreen/synaptics_mmi/synaptics_dsx_i2c.c
View file

@ -1744,6 +1744,11 @@ static struct synaptics_dsx_platform_data *
pr_notice("pm qos latency is %d\n",
rmi4_data->pm_qos_latency);
retval = of_property_read_u32(np, "synaptics,control-dsi",
&rmi4_data->ctrl_dsi);
if (!retval)
pr_notice("control DSI %d\n", rmi4_data->ctrl_dsi);
return pdata;
}
#else
@ -7563,6 +7568,9 @@ static int synaptics_dsx_panel_cb(struct notifier_block *nb,
struct synaptics_rmi4_data *rmi4_data =
container_of(nb, struct synaptics_rmi4_data, panel_nb);
if (!evdata || (evdata->id != rmi4_data->ctrl_dsi))
return 0;
if ((event == MSM_DRM_EARLY_EVENT_BLANK || event == MSM_DRM_EVENT_BLANK) &&
evdata && evdata->data && rmi4_data) {
int *blank = evdata->data;
@ -7589,9 +7597,12 @@ static int synaptics_dsx_panel_cb(struct notifier_block *nb,
struct synaptics_rmi4_data *rmi4_data =
container_of(nb, struct synaptics_rmi4_data, panel_nb);
if (!evdata || !evdata->info ||
(evdata->info->node != rmi4_data->ctrl_dsi))
return 0;
if ((event == FB_EARLY_EVENT_BLANK || event == FB_EVENT_BLANK) &&
evdata && evdata->info && evdata->info->node == 0 &&
evdata->data && rmi4_data) {
evdata && evdata->data && rmi4_data) {
int *blank = evdata->data;
pr_debug("fb notification: event = %lu blank = %d\n", event, *blank);
/* entering suspend upon early blank event */

1
drivers/input/touchscreen/synaptics_mmi/synaptics_dsx_i2c.h
View file

@ -494,6 +494,7 @@ struct synaptics_rmi4_data {
unsigned int active_fn_intr_mask;
int state;
int irq;
int ctrl_dsi;
int sensor_max_x;
int sensor_max_y;
bool irq_enabled;