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iio: adc: ti-ads7950: normalize return value of gpio_get

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The GPIO get callback is expected to return 0 or 1 (or a negative error
code). Ensure that the value returned by ti_ads7950_get() for output
pins is normalized to the [0, 1] range.

Fixes: 86ef402d80 ("gpiolib: sanitize the return value of gpio_chip::get()")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dmitry Torokhov
2026-03-05 11:21:52 -08:00
committed by Jonathan Cameron
parent 50d4cc74b8
commit e2fa075d5c
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/ti-ads7950.c
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@@ -433,7 +433,7 @@ static int ti_ads7950_get(struct gpio_chip *chip, unsigned int offset)
/* If set as output, return the output */
if (st->gpio_cmd_settings_bitmask & BIT(offset)) {
ret = st->cmd_settings_bitmask & BIT(offset);
ret = (st->cmd_settings_bitmask & BIT(offset)) ? 1 : 0;
goto out;
}