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path: root/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
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Diffstat (limited to 'drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c')
-rw-r--r--drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c39
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
index a2643ae790d6..8433a991e7f4 100644
--- a/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
@@ -23,6 +23,7 @@
static struct quicki2c_ddata ptl_ddata = {
.max_detect_size = MAX_RX_DETECT_SIZE_PTL,
+ .max_interrupt_delay = MAX_RX_INTERRUPT_DELAY,
};
/* THC QuickI2C ACPI method to get device properties */
@@ -200,6 +201,21 @@ static int quicki2c_get_acpi_resources(struct quicki2c_device *qcdev)
return -EOPNOTSUPP;
}
+ if (qcdev->ddata) {
+ qcdev->i2c_max_frame_size_enable = i2c_config.FSEN;
+ qcdev->i2c_int_delay_enable = i2c_config.INDE;
+
+ if (i2c_config.FSVL <= qcdev->ddata->max_detect_size)
+ qcdev->i2c_max_frame_size = i2c_config.FSVL;
+ else
+ qcdev->i2c_max_frame_size = qcdev->ddata->max_detect_size;
+
+ if (i2c_config.INDV <= qcdev->ddata->max_interrupt_delay)
+ qcdev->i2c_int_delay = i2c_config.INDV;
+ else
+ qcdev->i2c_int_delay = qcdev->ddata->max_interrupt_delay;
+ }
+
return 0;
}
@@ -441,17 +457,24 @@ static void quicki2c_dma_adv_enable(struct quicki2c_device *qcdev)
* max input length <= THC detect capability, enable the feature with device
* max input length.
*/
- if (qcdev->ddata->max_detect_size >=
- le16_to_cpu(qcdev->dev_desc.max_input_len)) {
- thc_i2c_set_rx_max_size(qcdev->thc_hw,
- le16_to_cpu(qcdev->dev_desc.max_input_len));
+ if (qcdev->i2c_max_frame_size_enable) {
+ if (qcdev->i2c_max_frame_size >=
+ le16_to_cpu(qcdev->dev_desc.max_input_len)) {
+ thc_i2c_set_rx_max_size(qcdev->thc_hw,
+ le16_to_cpu(qcdev->dev_desc.max_input_len));
+ } else {
+ dev_warn(qcdev->dev,
+ "Max frame size is smaller than hid max input length!");
+ thc_i2c_set_rx_max_size(qcdev->thc_hw,
+ le16_to_cpu(qcdev->i2c_max_frame_size));
+ }
thc_i2c_rx_max_size_enable(qcdev->thc_hw, true);
}
/* If platform supports interrupt delay feature, enable it with given delay */
- if (qcdev->ddata->interrupt_delay) {
+ if (qcdev->i2c_int_delay_enable) {
thc_i2c_set_rx_int_delay(qcdev->thc_hw,
- qcdev->ddata->interrupt_delay);
+ qcdev->i2c_int_delay * 10);
thc_i2c_rx_int_delay_enable(qcdev->thc_hw, true);
}
}
@@ -464,10 +487,10 @@ static void quicki2c_dma_adv_enable(struct quicki2c_device *qcdev)
*/
static void quicki2c_dma_adv_disable(struct quicki2c_device *qcdev)
{
- if (qcdev->ddata->max_detect_size)
+ if (qcdev->i2c_max_frame_size_enable)
thc_i2c_rx_max_size_enable(qcdev->thc_hw, false);
- if (qcdev->ddata->interrupt_delay)
+ if (qcdev->i2c_int_delay_enable)
thc_i2c_rx_int_delay_enable(qcdev->thc_hw, false);
}