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SubjectRe: [PATCH] cx25840: Declare MODULE_FIRMWARE usage
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On Thu, 2012-07-26 at 10:44 -0600, Tim Gardner wrote:
> Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
> Cc: linux-media@vger.kernel.org
> Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
> ---
> drivers/media/video/cx25840/cx25840-firmware.c | 15 ++++++++++++---
> 1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c
> index 8150200..b3169f9 100644
> --- a/drivers/media/video/cx25840/cx25840-firmware.c
> +++ b/drivers/media/video/cx25840/cx25840-firmware.c
> @@ -61,6 +61,10 @@ static void end_fw_load(struct i2c_client *client)
> cx25840_write(client, 0x803, 0x03);
> }
>
> +#define CX2388x_FIRMWARE "v4l-cx23885-avcore-01.fw"
> +#define CX231xx_FIRMWARE "v4l-cx231xx-avcore-01.fw"
> +#define CX25840_FIRMWARE "v4l-cx25840.fw"
> +
> static const char *get_fw_name(struct i2c_client *client)
> {
> struct cx25840_state *state = to_state(i2c_get_clientdata(client));
> @@ -68,10 +72,10 @@ static const char *get_fw_name(struct i2c_client *client)
> if (firmware[0])
> return firmware;
> if (is_cx2388x(state))
> - return "v4l-cx23885-avcore-01.fw";
> + return CX2388x_FIRMWARE;
> if (is_cx231xx(state))
> - return "v4l-cx231xx-avcore-01.fw";
> - return "v4l-cx25840.fw";
> + return CX231xx_FIRMWARE;
> + return CX25840_FIRMWARE;
> }
>
> static int check_fw_load(struct i2c_client *client, int size)
> @@ -164,3 +168,8 @@ int cx25840_loadfw(struct i2c_client *client)
>
> return check_fw_load(client, size);
> }
> +
> +MODULE_FIRMWARE(CX2388x_FIRMWARE);
> +MODULE_FIRMWARE(CX231xx_FIRMWARE);
> +MODULE_FIRMWARE(CX25840_FIRMWARE);
> +

How will the firmware attribute in the .module_info section be used?

For any one model of TV capture device, the cx25840 only needs one of
the above firmware files. The others need not exist.

I would not want anything in user or kernel space to refuse to load the
module just because all 3 firmware files are not present.

Regards,
Andy



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