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Groups > linux.kernel > #1406004
| From | "jeffrey.lin" <yajohn@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] driver: input :touchscreen : add Raydium I2C touch driver |
| Date | 2016-05-24 11:40 +0200 |
| Message-ID | <rCgYG-1um-19@gated-at.bofh.it> (permalink) |
| References | <rycJY-3Ju-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Dmitry:
>
> BUILD_BUG_ON((RM_FW_PAGE_SIZE % RM_BL_WRT_PKG_SIZE) != 0);
>
> for (i = 0; i < RM_FW_PAGE_SIZE / RM_BL_WRT_PKG_SIZE; i++) {
> buf[BL_HEADER] = RM_CMD_BOOT_PAGE_WRT;
> buf[BL_PAGE_STR] = i ? 0xff : 0;
Change to buf[BL_PAGE_STR] = page_idx ? 0xff : 0;
> buf[BL_PKG_IDX] = i;
>
> xfer_len = min_t(size_t, len, RM_BL_WRT_PKG_SIZE);
> memcpy(&buf[BL_DATA_STR], data, xfer_len);
> if (len < RM_BL_WRT_PKG_SIZE)
> memset(&buf[BL_DATA_STR + xfer_len], 0xff,
> RM_BL_WRT_PKG_SIZE - xfer_len);
>
> error = raydium_i2c_write_object(client, buf, RM_BL_WRT_LEN,
> RAYDIUM_WAIT_READY);
> if (error) {
> dev_err(&client->dev,
> "page write command failed for page %d, chunk %d: %d\n",
> page_idx, pkg_idx, error);
> return error;
> }
>
> data += xfer_len;
> len -= xfer_len;
> }
This work on my hand chromebook.
> static int raydium_i2c_read_message(struct i2c_client *client,
> u32 addr, void *data, size_t len)
> {
> __le32 le_addr;
> size_t xfer_len;
> int error;
>
> while (len) {
> xfer_len = min_t(size_t, len, RM_MAX_READ_SIZE);
>
> le_addr = cpu_to_le32(addr);
>
> error = raydium_i2c_send(client, RM_CMD_BANK_SWITCH,
> &le_addr, sizeof(le_addr));
> if (!error)/*read from last byte addr.*/
> error = raydium_i2c_read(client, le_addr & 0xff,
> data, xfer_len)
Change as
error = raydium_i2c_read(client, addr & 0xff,
data, xfer_len);
I've fixed this issues and submit new patch to upstream. Please help check that.
Thanks.
Jeffrey
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Re: [PATCH] driver: input :touchscreen : add Raydium I2C touch driver "jeffrey.lin" <yajohn@gmail.com> - 2016-05-24 11:40 +0200 Re: [PATCH] driver: input :touchscreen : add Raydium I2C touch driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-05-27 18:40 +0200
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