Re: [PATCH v1 3/3] ASoC: zx-96p22: add zte's aud96p22 controller driver

From: Charles Keepax
Date: Wed Feb 15 2017 - 06:26:21 EST


On Wed, Feb 15, 2017 at 06:55:10PM +0800, Baoyou Xie wrote:
> This patch adds aud96p22 controller driver for zte's SoC family.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
> ---
<snip>
> +static int zx_aud96p22_i2c_write(struct i2c_client *i2c_client,
> + const void *data, size_t count)
> +{
> + int xfer;
> +
> + xfer = i2c_master_send(i2c_client, data, count);
> + if (xfer == count)
> + return 0;
> + else if (xfer < 0)
> + return xfer;
> + else
> + return -EIO;
> +}
> +
> +static int zx_aud96p22_i2c_read(struct i2c_client *i2c_client,
> + unsigned char addr)
> +{
> + int xfer;
> +
> + xfer = i2c_smbus_read_word_data(i2c_client, addr);
> + if (xfer < 0)
> + dev_warn(&i2c_client->dev, "transfer error %d\n", xfer);
> +
> + return xfer;
> +}
> +

Is there any reason this isn't using regmap? It looks like it
should be, have a look at any of the other mainline CODECs for an
example.

Thanks,
Charles