On 23 March 2016 at 01:23, Ezequiel Garcia
<ezequiel@xxxxxxxxxxxxxxxxxxxx> wrote:
> From: Kevin Fitch <kfitch42@xxxxxxxxx>
>
> It's been reported that CJC7113 devices are returning
> all 1s when reading register 0:
>
> "1111111111111111" found @ 0x4a (stk1160)
>
> This new device is apparently compatible with SA7113, so let's
> add a quirk to allow its autodetection. Given there isn't
> any known differences with SAA7113, this commit does not
> introduces a new saa711x_model value.
>
> Reported-by: Philippe Desrochers <desrochers.philippe@xxxxxxxxx>
> Signed-off-by: Kevin Fitch <kfitch42@xxxxxxxxx>
> Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/media/i2c/saa7115.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c
> index 24d2b76dbe97..04f266d0a1ef 100644
> --- a/drivers/media/i2c/saa7115.c
> +++ b/drivers/media/i2c/saa7115.c
> @@ -1794,6 +1794,21 @@ static int saa711x_detect_chip(struct i2c_client *client,
> return GM7113C;
> }
>
> + /* Check if it is a CJC7113 */
> + if (!memcmp(name, "1111111111111111", CHIP_VER_SIZE)) {
> + strlcpy(name, "cjc7113", CHIP_VER_SIZE);
> +
> + if (!autodetect && strcmp(name, id->name))
> + return -EINVAL;
> +
> + v4l_dbg(1, debug, client,
> + "It seems to be a %s chip (%*ph) @ 0x%x.\n",
> + name, 16, chip_ver, client->addr << 1);
> +
> + /* CJC7113 seems to be SAA7113-compatible */
> + return SAA7113;
> + }
> +
> /* Chip was not discovered. Return its ID and don't bind */
> v4l_dbg(1, debug, client, "chip %*ph @ 0x%x is unknown.\n",
> 16, chip_ver, client->addr << 1);
> --
> 2.7.0
>
Any feedback on this one?
--
Ezequiel García, VanguardiaSur
www.vanguardiasur.com.ar
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