mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
media: dvb: add return value check on Write16
Write16 can return an error code -1 when the i2c_write fails. The fix checks for these failures and returns the error upstream Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
parent
88903a1abd
commit
0f787c12ee
@ -1144,6 +1144,8 @@ static int EnableAndResetMB(struct drxd_state *state)
|
||||
|
||||
static int InitCC(struct drxd_state *state)
|
||||
{
|
||||
int status = 0;
|
||||
|
||||
if (state->osc_clock_freq == 0 ||
|
||||
state->osc_clock_freq > 20000 ||
|
||||
(state->osc_clock_freq % 4000) != 0) {
|
||||
@ -1151,14 +1153,17 @@ static int InitCC(struct drxd_state *state)
|
||||
return -1;
|
||||
}
|
||||
|
||||
Write16(state, CC_REG_OSC_MODE__A, CC_REG_OSC_MODE_M20, 0);
|
||||
Write16(state, CC_REG_PLL_MODE__A, CC_REG_PLL_MODE_BYPASS_PLL |
|
||||
CC_REG_PLL_MODE_PUMP_CUR_12, 0);
|
||||
Write16(state, CC_REG_REF_DIVIDE__A, state->osc_clock_freq / 4000, 0);
|
||||
Write16(state, CC_REG_PWD_MODE__A, CC_REG_PWD_MODE_DOWN_PLL, 0);
|
||||
Write16(state, CC_REG_UPDATE__A, CC_REG_UPDATE_KEY, 0);
|
||||
status |= Write16(state, CC_REG_OSC_MODE__A, CC_REG_OSC_MODE_M20, 0);
|
||||
status |= Write16(state, CC_REG_PLL_MODE__A,
|
||||
CC_REG_PLL_MODE_BYPASS_PLL |
|
||||
CC_REG_PLL_MODE_PUMP_CUR_12, 0);
|
||||
status |= Write16(state, CC_REG_REF_DIVIDE__A,
|
||||
state->osc_clock_freq / 4000, 0);
|
||||
status |= Write16(state, CC_REG_PWD_MODE__A, CC_REG_PWD_MODE_DOWN_PLL,
|
||||
0);
|
||||
status |= Write16(state, CC_REG_UPDATE__A, CC_REG_UPDATE_KEY, 0);
|
||||
|
||||
return 0;
|
||||
return status;
|
||||
}
|
||||
|
||||
static int ResetECOD(struct drxd_state *state)
|
||||
@ -1312,7 +1317,10 @@ static int SC_SendCommand(struct drxd_state *state, u16 cmd)
|
||||
int status = 0, ret;
|
||||
u16 errCode;
|
||||
|
||||
Write16(state, SC_RA_RAM_CMD__A, cmd, 0);
|
||||
status = Write16(state, SC_RA_RAM_CMD__A, cmd, 0);
|
||||
if (status < 0)
|
||||
return status;
|
||||
|
||||
SC_WaitForReady(state);
|
||||
|
||||
ret = Read16(state, SC_RA_RAM_CMD_ADDR__A, &errCode, 0);
|
||||
@ -1339,9 +1347,9 @@ static int SC_ProcStartCommand(struct drxd_state *state,
|
||||
break;
|
||||
}
|
||||
SC_WaitForReady(state);
|
||||
Write16(state, SC_RA_RAM_CMD_ADDR__A, subCmd, 0);
|
||||
Write16(state, SC_RA_RAM_PARAM1__A, param1, 0);
|
||||
Write16(state, SC_RA_RAM_PARAM0__A, param0, 0);
|
||||
status |= Write16(state, SC_RA_RAM_CMD_ADDR__A, subCmd, 0);
|
||||
status |= Write16(state, SC_RA_RAM_PARAM1__A, param1, 0);
|
||||
status |= Write16(state, SC_RA_RAM_PARAM0__A, param0, 0);
|
||||
|
||||
SC_SendCommand(state, SC_RA_RAM_CMD_PROC_START);
|
||||
} while (0);
|
||||
|
Loading…
Reference in New Issue
Block a user