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H A Dvcnl4035.ca551c26e Mon May 01 09:36:04 CDT 2023 Frank Li <Frank.Li@nxp.com> iio: light: vcnl4035: fixed chip ID check

VCNL4035 register(0xE) ID_L and ID_M define as:

ID_L: 0x80
ID_H: 7:6 (0:0)
5:4 (0:0) slave address = 0x60 (7-bit)
(0:1) slave address = 0x51 (7-bit)
(1:0) slave address = 0x40 (7-bit)
(1:0) slave address = 0x41 (7-bit)
3:0 Version code default (0:0:0:0)

So just check ID_L.

Fixes: 55707294c4eb ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20230501143605.1615549-1-Frank.Li@nxp.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
ec90b52c Sun Jun 13 10:23:00 CDT 2021 Jonathan Cameron <Jonathan.Cameron@huawei.com> iio: light: vcnl4035: Fix buffer alignment in iio_push_to_buffers_with_timestamp()

Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.

Here an explicit structure is not used, because the holes would
necessitate the addition of an explict memset(), to avoid a potential
kernel data leak, making for a less minimal fix.

Fixes: 55707294c4eb ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-8-jic23@kernel.org
49739675 Sun Jun 13 10:23:00 CDT 2021 Jonathan Cameron <Jonathan.Cameron@huawei.com> iio: light: vcnl4035: Fix buffer alignment in iio_push_to_buffers_with_timestamp()

[ Upstream commit ec90b52c07c0403a6db60d752484ec08d605ead0 ]

Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.

Here an explicit structure is not used, because the holes would
necessitate the addition of an explict memset(), to avoid a potential
kernel data leak, making for a less minimal fix.

Fixes: 55707294c4eb ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-8-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
55707294 Wed Nov 07 11:08:20 CST 2018 Parthiban Nallathambi <pn@denx.de> iio: light: Add support for vishay vcnl4035

Add support for VCNL4035, which is capable of Ambient light
sensing (ALS) and proximity function. This patch adds support
only for ALS function

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
49739675 Sun Jun 13 10:23:00 CDT 2021 Jonathan Cameron <Jonathan.Cameron@huawei.com> iio: light: vcnl4035: Fix buffer alignment in iio_push_to_buffers_with_timestamp()

[ Upstream commit ec90b52c07c0403a6db60d752484ec08d605ead0 ]

Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.

Here an explicit structure is not used, because the holes would
necessitate the addition of an explict memset(), to avoid a potential
kernel data leak, making for a less minimal fix.

Fixes: 55707294c4eb ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210613152301.571002-8-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
55707294 Wed Nov 07 11:08:20 CST 2018 Parthiban Nallathambi <pn@denx.de> iio: light: Add support for vishay vcnl4035

Add support for VCNL4035, which is capable of Ambient light
sensing (ALS) and proximity function. This patch adds support
only for ALS function

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H A DKconfig44a146a4 Mon Nov 02 16:35:24 CST 2020 Necip Fazil Yildiran <fazilyildiran@gmail.com> iio: light: fix kconfig dependency bug for VCNL4035

When VCNL4035 is enabled and IIO_BUFFER is disabled, it results in the
following Kbuild warning:

WARNING: unmet direct dependencies detected for IIO_TRIGGERED_BUFFER
Depends on [n]: IIO [=y] && IIO_BUFFER [=n]
Selected by [y]:
- VCNL4035 [=y] && IIO [=y] && I2C [=y]

The reason is that VCNL4035 selects IIO_TRIGGERED_BUFFER without depending
on or selecting IIO_BUFFER while IIO_TRIGGERED_BUFFER depends on
IIO_BUFFER. This can also fail building the kernel.

Honor the kconfig dependency to remove unmet direct dependency warnings
and avoid any potential build failures.

Fixes: 55707294c4eb ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209883
Link: https://lore.kernel.org/r/20201102223523.572461-1-fazilyildiran@gmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
55707294 Wed Nov 07 11:08:20 CST 2018 Parthiban Nallathambi <pn@denx.de> iio: light: Add support for vishay vcnl4035

Add support for VCNL4035, which is capable of Ambient light
sensing (ALS) and proximity function. This patch adds support
only for ALS function

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
44a146a4 Mon Nov 02 16:35:24 CST 2020 Necip Fazil Yildiran <fazilyildiran@gmail.com> iio: light: fix kconfig dependency bug for VCNL4035

When VCNL4035 is enabled and IIO_BUFFER is disabled, it results in the
following Kbuild warning:

WARNING: unmet direct dependencies detected for IIO_TRIGGERED_BUFFER
Depends on [n]: IIO [=y] && IIO_BUFFER [=n]
Selected by [y]:
- VCNL4035 [=y] && IIO [=y] && I2C [=y]

The reason is that VCNL4035 selects IIO_TRIGGERED_BUFFER without depending
on or selecting IIO_BUFFER while IIO_TRIGGERED_BUFFER depends on
IIO_BUFFER. This can also fail building the kernel.

Honor the kconfig dependency to remove unmet direct dependency warnings
and avoid any potential build failures.

Fixes: 55707294c4eb ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209883
Link: https://lore.kernel.org/r/20201102223523.572461-1-fazilyildiran@gmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
55707294 Wed Nov 07 11:08:20 CST 2018 Parthiban Nallathambi <pn@denx.de> iio: light: Add support for vishay vcnl4035

Add support for VCNL4035, which is capable of Ambient light
sensing (ALS) and proximity function. This patch adds support
only for ALS function

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H A DMakefile55707294 Wed Nov 07 11:08:20 CST 2018 Parthiban Nallathambi <pn@denx.de> iio: light: Add support for vishay vcnl4035

Add support for VCNL4035, which is capable of Ambient light
sensing (ALS) and proximity function. This patch adds support
only for ALS function

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
55707294 Wed Nov 07 11:08:20 CST 2018 Parthiban Nallathambi <pn@denx.de> iio: light: Add support for vishay vcnl4035

Add support for VCNL4035, which is capable of Ambient light
sensing (ALS) and proximity function. This patch adds support
only for ALS function

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>