xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge 4.14-rc6 into staging-next

Browse Source 
We want the IIO and staging driver fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2017-10-23 14:29:43 +02:00
parent ca3c585883 bb176f6709
commit 7706abf5a0
539 changed files with 5467 additions and 2555 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/iio/adc/at91-sama5d2_adc.c
View File

@@ -225,6 +225,7 @@ struct at91_adc_trigger {
char *name;
unsigned int trgmod_value;
unsigned int edge_type;
bool hw_trig;
};
struct at91_adc_state {
@@ -254,16 +255,25 @@ static const struct at91_adc_trigger at91_adc_trigger_list[] = {
.name = "external_rising",
.trgmod_value = AT91_SAMA5D2_TRGR_TRGMOD_EXT_TRIG_RISE,
.edge_type = IRQ_TYPE_EDGE_RISING,
.hw_trig = true,
},
{
.name = "external_falling",
.trgmod_value = AT91_SAMA5D2_TRGR_TRGMOD_EXT_TRIG_FALL,
.edge_type = IRQ_TYPE_EDGE_FALLING,
.hw_trig = true,
},
{
.name = "external_any",
.trgmod_value = AT91_SAMA5D2_TRGR_TRGMOD_EXT_TRIG_ANY,
.edge_type = IRQ_TYPE_EDGE_BOTH,
.hw_trig = true,
},
{
.name = "software",
.trgmod_value = AT91_SAMA5D2_TRGR_TRGMOD_NO_TRIGGER,
.edge_type = IRQ_TYPE_NONE,
.hw_trig = false,
},
};
@@ -595,7 +605,7 @@ static int at91_adc_probe(struct platform_device *pdev)
struct at91_adc_state *st;
struct resource *res;
int ret, i;
u32 edge_type;
u32 edge_type = IRQ_TYPE_NONE;
indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*st));
if (!indio_dev)
@@ -639,14 +649,14 @@ static int at91_adc_probe(struct platform_device *pdev)
ret = of_property_read_u32(pdev->dev.of_node,
"atmel,trigger-edge-type", &edge_type);
if (ret) {
dev_err(&pdev->dev,
"invalid or missing value for atmel,trigger-edge-type\n");
return ret;
dev_dbg(&pdev->dev,
"atmel,trigger-edge-type not specified, only software trigger available\n");
}
st->selected_trig = NULL;
for (i = 0; i < AT91_SAMA5D2_HW_TRIG_CNT; i++)
/* find the right trigger, or no trigger at all */
for (i = 0; i < AT91_SAMA5D2_HW_TRIG_CNT + 1; i++)
if (at91_adc_trigger_list[i].edge_type == edge_type) {
st->selected_trig = &at91_adc_trigger_list[i];
break;
@@ -715,24 +725,27 @@ static int at91_adc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, indio_dev);
ret = at91_adc_buffer_init(indio_dev);
if (ret < 0) {
dev_err(&pdev->dev, "couldn't initialize the buffer.\n");
goto per_clk_disable_unprepare;
}
if (st->selected_trig->hw_trig) {
ret = at91_adc_buffer_init(indio_dev);
if (ret < 0) {
dev_err(&pdev->dev, "couldn't initialize the buffer.\n");
goto per_clk_disable_unprepare;
}
ret = at91_adc_trigger_init(indio_dev);
if (ret < 0) {
dev_err(&pdev->dev, "couldn't setup the triggers.\n");
goto per_clk_disable_unprepare;
ret = at91_adc_trigger_init(indio_dev);
if (ret < 0) {
dev_err(&pdev->dev, "couldn't setup the triggers.\n");
goto per_clk_disable_unprepare;
}
}
ret = iio_device_register(indio_dev);
if (ret < 0)
goto per_clk_disable_unprepare;
dev_info(&pdev->dev, "setting up trigger as %s\n",
st->selected_trig->name);
if (st->selected_trig->hw_trig)
dev_info(&pdev->dev, "setting up trigger as %s\n",
st->selected_trig->name);
dev_info(&pdev->dev, "version: %x\n",
readl_relaxed(st->base + AT91_SAMA5D2_VERSION));