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allwinner-zh / linux-3.4-sunxi

kernel 3.4 for sunxi platforms
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ft5x_ts Occasional not loading #15

Closed tnk3r closed 8 years ago

tnk3r commented 8 years ago

Here is a working Dmesg:

[ 7.731528] ===========================ft5x_ts_init===================== [ 7.736088] ctp_fetch_sysconfig_para.

[ 7.749723] ctp_fetch_sysconfig_para: ctp_twi_id is 3. [ 7.754182] ctp_fetch_sysconfig_para: screen_max_x = 800. [ 7.758623] ctp_fetch_sysconfig_para: screen_max_y = 480. [ 7.763066] ctp_fetch_sysconfig_para: revert_x_flag = 0. [ 7.767464] ctp_fetch_sysconfig_para: revert_y_flag = 0. [ 7.772203] ctp_fetch_sysconfig_para: exchange_x_y_flag = 0.

[ 7.785219] ctp_init_platform_resource: tp_reset request gpio fail! [ 7.790702] ctp_init_platform_resource: No power port feature present. [ 7.792230] ctp_wakeup. [ 7.848058] incomplete xfer (0x20) [ 7.850541] incomplete xfer (0x20) [ 7.852936] incomplete xfer (0x20) [ 7.858881] ctp_detect: Detected chip ft5x_ts at adapter 3, address 0x38 [ 7.862260] ====ft5x_ts_probe begin=====.
[ 7.869659] input: ft5x_ts as /devices/platform/sunxi-i2c.3/i2c-3/3-0038/input/input2 [ 7.874563] ctp_set_irq_mode: config gpio to int mode. [ 7.880419] ctp_set_irq_mode, 225: gpio_int_info, port = 8, port_num = 9. [ 7.882413] INTERRUPT CONFIG [ 7.885093] ==ft5x_ts_probe over = [ 7.952858] UMP<2>: Inserting UMP device driver. Compiled: Dec 8 2014, time: 18:20:44 [ 7.959953] UMP<2>: Using OS memory backend, allocation limit: 134217728 [ 7.966491] UMP: UMP device driver loaded

Here is a non working Dmesg, I would say 70% of the time I get a non-working TS

[ 12.440073] ===========================ft5x_ts_init===================== [ 12.448854] ctp_fetch_sysconfig_para.

[ 12.462528] ctp_fetch_sysconfig_para: ctp_twi_id is 3. [ 12.466970] ctp_fetch_sysconfig_para: screen_max_x = 800. [ 12.471412] ctp_fetch_sysconfig_para: screen_max_y = 480. [ 12.475799] ctp_fetch_sysconfig_para: revert_x_flag = 0. [ 12.480155] ctp_fetch_sysconfig_para: revert_y_flag = 0. [ 12.484872] ctp_fetch_sysconfig_para: exchange_x_y_flag = 0.

[ 12.497804] ctp_init_platform_resource: tp_reset request gpio fail! [ 12.503288] ctp_init_platform_resource: No power port feature present. [ 12.504799] ctp_wakeup. [ 12.554332] incomplete xfer (0x20) [ 12.556726] incomplete xfer (0x20) [ 12.559093] incomplete xfer (0x20) [ 12.561516] incomplete xfer (0x20) [ 12.608238] UMP<2>: Inserting UMP device driver. Compiled: Dec 8 2014, time: 18:20:44 [ 12.615238] UMP<2>: Using OS memory backend, allocation limit: 134217728 [ 12.620428] UMP: UMP device driver loaded

tnk3r commented 8 years ago

I can confirm The fix works perfectly. https://github.com/Bananian/linux-bananapi/commit/ffbf0bdf5a07d720e9b9e3136eb4db9ba9f16271