[alsa-devel] [PATCH 1/2] device property: Add new array helper
Greg KH
gregkh at linuxfoundation.org
Thu Jun 27 02:15:30 CEST 2019
On Wed, Jun 26, 2019 at 04:36:10PM +0100, Charles Keepax wrote:
> It is fairly common to want to read an integer array property
> that is composed of an unknown number of fixed size integer
> groups. For example, say each group consists of three values
> which correspond to the settings for one input on the device
> and the driver supports several chips with different numbers
> of inputs.
>
> Add a new helper function to provide this functionality, it
> differs for the existing helpers in that it allows reading a
> smaller number of values than the full array size and checks
> that the number of values read is a multiple of the group size.
>
> Signed-off-by: Charles Keepax <ckeepax at opensource.cirrus.com>
> ---
> drivers/base/property.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
> include/linux/property.h | 2 ++
> 2 files changed, 50 insertions(+)
Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
More information about the Alsa-devel
mailing list