--- drivers/video/msm/mddi_quickvx.c
+++ drivers/video/msm/mddi_quickvx.c
@@ -263,22 +263,10 @@
int ql_mddi_write(uint32 address, uint32 value)
{
- uint32 regval = 0;
int ret = 0;
ret = mddi_queue_register_write(address, value, TRUE, 0);
- if (!ret) {
- ret = mddi_queue_register_read(address, ®val, TRUE, 0);
- if (regval != value) {
- MDDI_MSG_DEBUG("\nMismatch: ql_mddi_write[0x%x]->0x%x "
- "r0x%x\n", address, value, regval);
- } else {
- MDDI_MSG_DEBUG("\nMatch: ql_mddi_write[0x%x]->0x%x "
- "r0x%x\n", address, value, regval);
- }
- }
-
return ret;
}
@@ -294,8 +282,6 @@ int ql_mddi_read(uint32 address, uint32
int ql_send_spi_cmd_to_lcd(uint32 index, uint32 cmd)
{
- int retry, ret;
- uint32 readval;
MDDI_MSG_DEBUG("\n %s(): index 0x%x, cmd 0x%x", __func__, index, cmd);
/* do the index phase */
@@ -308,18 +294,6 @@ int ql_send_spi_cmd_to_lcd(uint32 index,
/* set start */
ql_mddi_write(QUICKVX_SPI_CTRL_REG, QL_SPI_CTRL_LCD_START);
- retry = 0;
-
- do {
- ret = ql_mddi_read(QUICKVX_SPI_CTRL_REG, &readval);
-
- if (ret || ++retry > 5) {
- MDDI_MSG_DEBUG("\n ql_send_spi_cmd_to_lcd: retry "
- "timeout at index phase, ret = %d", ret);
- return -EIO;
- }
- mddi_wait(1);
- } while ((readval & QL_SPI_CTRL_MASK_rTxDone) == 0);
/* do the command phase */
/* send 24 bits in the cmd phase */
@@ -331,18 +305,6 @@ int ql_send_spi_cmd_to_lcd(uint32 index,
/* set start */
ql_mddi_write(QUICKVX_SPI_CTRL_REG, QL_SPI_CTRL_LCD_START);
- retry = 0;
-
- do {
- ret = ql_mddi_read(QUICKVX_SPI_CTRL_REG, &readval);
-
- if (ret || ++retry > 5) {
- MDDI_MSG_DEBUG("\n ql_send_spi_cmd_to_lcd: retry "
- "timeout at cmd phase, ret = %d", ret);
- return -EIO;
- }
- mddi_wait(1);
- } while ((readval & QL_SPI_CTRL_MASK_rTxDone) == 0);
return 0;
}
@@ -350,8 +312,6 @@ int ql_send_spi_cmd_to_lcd(uint32 index,
int ql_send_spi_data_from_lcd(uint32 index, uint32 *value)
{
- int retry, ret;
- uint32 readval;
MDDI_MSG_DEBUG("\n %s(): index 0x%x", __func__, index);
/* do the index phase */
@@ -364,19 +324,6 @@ int ql_send_spi_data_from_lcd(uint32 ind
/* set start */
ql_mddi_write(QUICKVX_SPI_CTRL_REG, QL_SPI_CTRL_LCD_START);
- retry = 0;
-
- do {
- ret = ql_mddi_read(QUICKVX_SPI_CTRL_REG, &readval);
-
- if (ret || ++retry > 5) {
- MDDI_MSG_DEBUG("\n ql_send_spi_cmd_to_lcd: retry "
- "timeout at index phase, ret = %d", ret);
- return -EIO;
- }
- mddi_wait(1);
- } while ((readval & QL_SPI_CTRL_MASK_rTxDone) == 0);
-
/* do the command phase */
/* send 8 bits and read 24 bits in the cmd phase, so total 32 bits */
ql_mddi_write(QUICKVX_SPI_TLEN_REG, 31);
@@ -387,29 +334,9 @@ int ql_send_spi_data_from_lcd(uint32 ind
/* set start */
ql_mddi_write(QUICKVX_SPI_CTRL_REG, QL_SPI_CTRL_LCD_START);
- retry = 0;
-
- do {
- ret = ql_mddi_read(QUICKVX_SPI_CTRL_REG, &readval);
- if (ret || ++retry > 5) {
- MDDI_MSG_DEBUG("\n ql_send_spi_cmd_to_lcd: retry "
- "timeout at cmd phase, ret = %d", ret);
- return -EIO;
- }
- mddi_wait(1);
- } while ((readval & QL_SPI_CTRL_MASK_rTxDone) == 0);
-
- /* value will appear at lower 16 bits */
- ret = ql_mddi_read(QUICKVX_SPI_RX0_REG, value);
-
- if (!ret) {
- *value = *value & 0xffff;
- MDDI_MSG_DEBUG("\n QUICKVX_SPI_RX0_REG value = 0x%x", *value);
- } else
- MDDI_MSG_DEBUG("\n Read QUICKVX_SPI_RX0_REG Failed");
+ return 0;
- return ret;
}
/* Global Variables */
projects / ziggy471-sgs3-jb.git / blobdiff