Hi Laurent,
On 11/01/2019 20:23, Laurent Pinchart wrote:
> Hi Kieran,
>
> Thank you for the patch.
>
> On Friday, 11 January 2019 19:41:41 EET Kieran Bingham wrote:
>> The ADV748X_PAGE_WAIT is a fake page to insert arbitrary delays in the
>> register tables.
>>
>> Its only usage was removed, so we can remove the handling and simplify
>> the code.
>>
>> Signed-off-by: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
>> ---
>> drivers/media/i2c/adv748x/adv748x-core.c | 17 ++++++-----------
>> drivers/media/i2c/adv748x/adv748x.h | 1 -
>> 2 files changed, 6 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/media/i2c/adv748x/adv748x-core.c
>> b/drivers/media/i2c/adv748x/adv748x-core.c index 252bdb28b18b..8199e0b20790
>> 100644
>> --- a/drivers/media/i2c/adv748x/adv748x-core.c
>> +++ b/drivers/media/i2c/adv748x/adv748x-core.c
>> @@ -219,18 +219,13 @@ static int adv748x_write_regs(struct adv748x_state
>> *state, int ret;
>>
>> while (regs->page != ADV748X_PAGE_EOR) {
>
> While at it you could write this as
>
> for (; regs->page != ADV748X_PAGE_EOR; ++regs)
>
> and remove the regs++ below.
ah yes - good idea. I'll update this.
--
Kieran
>
> Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
>
>> - if (regs->page == ADV748X_PAGE_WAIT) {
>> - msleep(regs->value);
>> - } else {
>> - ret = adv748x_write(state, regs->page, regs->reg,
>> - regs->value);
>> - if (ret < 0) {
>> - adv_err(state,
>> - "Error regs page: 0x%02x reg: 0x%02x\n",
>> - regs->page, regs->reg);
>> - return ret;
>> - }
>> + ret = adv748x_write(state, regs->page, regs->reg, regs->value);
>> + if (ret < 0) {
>> + adv_err(state, "Error regs page: 0x%02x reg: 0x%02x\n",
>> + regs->page, regs->reg);
>> + return ret;
>> }
>> +
>> regs++;
>> }
>>
>> diff --git a/drivers/media/i2c/adv748x/adv748x.h
>> b/drivers/media/i2c/adv748x/adv748x.h index 2f8d751cfbb0..5042f9e94aee
>> 100644
>> --- a/drivers/media/i2c/adv748x/adv748x.h
>> +++ b/drivers/media/i2c/adv748x/adv748x.h
>> @@ -39,7 +39,6 @@ enum adv748x_page {
>> ADV748X_PAGE_MAX,
>>
>> /* Fake pages for register sequences */
>> - ADV748X_PAGE_WAIT, /* Wait x msec */
>> ADV748X_PAGE_EOR, /* End Mark */
>> };
>
