tree: git://git.ragnatech.se/linux media-tree
head: bbae615636155fa43a9b0fe0ea31c678984be864
commit: 0985dd306f727df6c0e71cd8a8eda93e8fa5206e [2807/2822] media: imx274: V4l2 driver for Sony imx274 CMOS sensor
drivers/media/i2c/imx274.c:659 imx274_regmap_util_write_table_8() error: uninitialized symbol 'err'.
git remote add ragnatech git://git.ragnatech.se/linux
git remote update ragnatech
git checkout 0985dd306f727df6c0e71cd8a8eda93e8fa5206e
vim +/err +659 drivers/media/i2c/imx274.c
0985dd30 Leon Luo 2017-10-05 621
0985dd30 Leon Luo 2017-10-05 622 /*
0985dd30 Leon Luo 2017-10-05 623 * imx274_regmap_util_write_table_8 - Function for writing register table
0985dd30 Leon Luo 2017-10-05 624 * @regmap: Pointer to device reg map structure
0985dd30 Leon Luo 2017-10-05 625 * @table: Table containing register values
0985dd30 Leon Luo 2017-10-05 626 * @wait_ms_addr: Flag for performing delay
0985dd30 Leon Luo 2017-10-05 627 * @end_addr: Flag for incating end of table
0985dd30 Leon Luo 2017-10-05 628 *
0985dd30 Leon Luo 2017-10-05 629 * This is used to write register table into sensor's reg map.
0985dd30 Leon Luo 2017-10-05 630 *
0985dd30 Leon Luo 2017-10-05 631 * Return: 0 on success, errors otherwise
0985dd30 Leon Luo 2017-10-05 632 */
0985dd30 Leon Luo 2017-10-05 633 static int imx274_regmap_util_write_table_8(struct regmap *regmap,
0985dd30 Leon Luo 2017-10-05 634 const struct reg_8 table[],
0985dd30 Leon Luo 2017-10-05 635 u16 wait_ms_addr, u16 end_addr)
0985dd30 Leon Luo 2017-10-05 636 {
0985dd30 Leon Luo 2017-10-05 637 int err;
0985dd30 Leon Luo 2017-10-05 638 const struct reg_8 *next;
0985dd30 Leon Luo 2017-10-05 639 u8 val;
0985dd30 Leon Luo 2017-10-05 640
0985dd30 Leon Luo 2017-10-05 641 int range_start = -1;
0985dd30 Leon Luo 2017-10-05 642 int range_count = 0;
0985dd30 Leon Luo 2017-10-05 643 u8 range_vals[16];
0985dd30 Leon Luo 2017-10-05 644 int max_range_vals = ARRAY_SIZE(range_vals);
0985dd30 Leon Luo 2017-10-05 645
0985dd30 Leon Luo 2017-10-05 646 for (next = table;; next++) {
0985dd30 Leon Luo 2017-10-05 647 if ((next->addr != range_start + range_count) ||
0985dd30 Leon Luo 2017-10-05 648 (next->addr == end_addr) ||
0985dd30 Leon Luo 2017-10-05 649 (next->addr == wait_ms_addr) ||
0985dd30 Leon Luo 2017-10-05 650 (range_count == max_range_vals)) {
0985dd30 Leon Luo 2017-10-05 651 if (range_count == 1)
0985dd30 Leon Luo 2017-10-05 652 err = regmap_write(regmap,
0985dd30 Leon Luo 2017-10-05 653 range_start, range_vals[0]);
0985dd30 Leon Luo 2017-10-05 654 else if (range_count > 1)
0985dd30 Leon Luo 2017-10-05 655 err = regmap_bulk_write(regmap, range_start,
0985dd30 Leon Luo 2017-10-05 656 &range_vals[0],
0985dd30 Leon Luo 2017-10-05 657 range_count);
0985dd30 Leon Luo 2017-10-05 658
0985dd30 Leon Luo 2017-10-05 @659 if (err)
0985dd30 Leon Luo 2017-10-05 660 return err;
0985dd30 Leon Luo 2017-10-05 661
0985dd30 Leon Luo 2017-10-05 662 range_start = -1;
0985dd30 Leon Luo 2017-10-05 663 range_count = 0;
0985dd30 Leon Luo 2017-10-05 664
0985dd30 Leon Luo 2017-10-05 665 /* Handle special address values */
0985dd30 Leon Luo 2017-10-05 666 if (next->addr == end_addr)
0985dd30 Leon Luo 2017-10-05 667 break;
0985dd30 Leon Luo 2017-10-05 668
0985dd30 Leon Luo 2017-10-05 669 if (next->addr == wait_ms_addr) {
0985dd30 Leon Luo 2017-10-05 670 msleep_range(next->val);
0985dd30 Leon Luo 2017-10-05 671 continue;
0985dd30 Leon Luo 2017-10-05 672 }
0985dd30 Leon Luo 2017-10-05 673 }
0985dd30 Leon Luo 2017-10-05 674
0985dd30 Leon Luo 2017-10-05 675 val = next->val;
0985dd30 Leon Luo 2017-10-05 676
0985dd30 Leon Luo 2017-10-05 677 if (range_start == -1)
0985dd30 Leon Luo 2017-10-05 678 range_start = next->addr;
0985dd30 Leon Luo 2017-10-05 679
0985dd30 Leon Luo 2017-10-05 680 range_vals[range_count++] = val;
0985dd30 Leon Luo 2017-10-05 681 }
0985dd30 Leon Luo 2017-10-05 682 return 0;
0985dd30 Leon Luo 2017-10-05 683 }
0985dd30 Leon Luo 2017-10-05 684
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
