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input: synaptics_dsx_2.6: fix CTP power issue for QRD8953

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Synaptics touch controller does not go to sleep in suspend because
L6 is still enabled. Disable L6 in suspend to ensure CTP go into
sleep mode.

Change-Id: I40f3f380c1a85c292029d4e22e49bebf25bd198c
Signed-off-by: Mao Li <maol@codeaurora.org>
This commit is contained in:
Mao Li 2016-03-24 14:20:21 +08:00 • committed by Abinaya P
parent b378a2f8ba
commit 11edf4f33c
1 changed files with 9 additions and 0 deletions
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9
drivers/input/touchscreen/synaptics_dsx_2.6/synaptics_dsx_core.c
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@ -4514,6 +4514,10 @@ exit:
}
mutex_unlock(&exp_data.mutex);
if (!rmi4_data->suspend) {
synaptics_rmi4_enable_reg(rmi4_data, false);
synaptics_rmi4_get_reg(rmi4_data, false);
}
rmi4_data->suspend = true;
return 0;
@ -4540,6 +4544,11 @@ static int synaptics_rmi4_resume(struct device *dev)
rmi4_data->current_page = MASK_8BIT;
if (rmi4_data->suspend) {
synaptics_rmi4_get_reg(rmi4_data, true);
synaptics_rmi4_enable_reg(rmi4_data, true);
}
synaptics_rmi4_sleep_enable(rmi4_data, false);
synaptics_rmi4_irq_enable(rmi4_data, true, false);