diff options
| author |   Miquel Raynal <miquel.raynal@bootlin.com> | 2021-10-15 10:14:38 +0200 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2021-10-20 17:28:30 +0100 |
| commit | 25b15d04a43ee2b022708fd0d42ae47c423c6ebf (patch) | |
| tree | 19a50802d3672d40ffeb61805dbe192fb9d96210 /drivers/mfd | |
| parent | mfd: ti_am335x_tscadc: Drop useless variables from the driver structure (diff) | |
| download | linux-dev-25b15d04a43ee2b022708fd0d42ae47c423c6ebf.tar.xz linux-dev-25b15d04a43ee2b022708fd0d42ae47c423c6ebf.zip | |
mfd: ti_am335x_tscadc: Always provide an idle configuration
The idle register is valid no matter if the touchscreen is used or not,
let's always configure it.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-21-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/ti_am335x_tscadc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 9ce1a3e34c1e..d1f70224e457 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -221,16 +221,16 @@ static int ti_tscadc_probe(struct platform_device *pdev) ctrl = CNTRLREG_STEPCONFIGWRT | CNTRLREG_STEPID; regmap_write(tscadc->regmap, REG_CTRL, ctrl); - /* Set register bits for Idle Config Mode */ if (tsc_wires > 0) { tscadc->tsc_wires = tsc_wires; if (tsc_wires == 5) ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; else ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; - tscadc_idle_config(tscadc); } + tscadc_idle_config(tscadc); + /* Enable the TSC module enable bit */ ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl); @@ -321,8 +321,10 @@ static int __maybe_unused tscadc_resume(struct device *dev) ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; else ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; - tscadc_idle_config(tscadc); } + + tscadc_idle_config(tscadc); + ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl); |