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Age	Commit message (Collapse)	Author
2024-10-06	iioc: dac: ltc2664: Fix span variable usage in ltc2664_channel_config()	Mohammed Anees
	In the current implementation of the ltc2664_channel_config() function, a variable named span is declared and initialized to 0, intended to capture the return value of the ltc2664_set_span() function. However, the output of ltc2664_set_span() is directly assigned to chan->span, leaving span unchanged. As a result, when the function later checks if (span < 0), this condition will never trigger an error since span remains 0, this flaw leads to ineffective error handling. Resolve this issue by using the ret variable to get the return value and later assign it if successful and remove unused span variable. Fixes: 4cc2fc445d2e ("iio: dac: ltc2664: Add driver for LTC2664 and LTC2672") Signed-off-by: Mohammed Anees <pvmohammedanees2003@gmail.com> Link: https://patch.msgid.link/20241005200435.25061-1-pvmohammedanees2003@gmail.com Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-10	iio: dac: ltc2664: Fix off by one in ltc2664_channel_config()	Dan Carpenter
	This comparison should be >= ARRAY_SIZE() instead of >. The "mspan" variable is later used as an array index into ltc2664_mspan_lut[] so this is an off by one bug. Fixes: 4cc2fc445d2e ("iio: dac: ltc2664: Add driver for LTC2664 and LTC2672") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://patch.msgid.link/5727ab54-6280-466e-b107-1b6006e5ab29@stanley.mountain Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03	iio: dac: ltc2664: Add driver for LTC2664 and LTC2672	Kim Seer Paller
	LTC2664 4 channel, 12-/16-Bit Voltage Output SoftSpan DAC LTC2672 5 channel, 12-/16-Bit Current Output Softspan DAC Reviewed-by: Nuno Sa <nuno.sa@analog.com> Co-developed-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/20240718051834.32270-7-kimseer.paller@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>