Re: [linux-sunxi] LRADC on A20

2021-01-05 Thread Sertac Tüllük
I wish to add my two-cents: There is a way to check if the DTB / DTBO is really recognised / in-use by kernel: https://unix.stackexchange.com/questions/265890/is-it-possible-to-get-the-information-for-a-device-tree-using-sys-of-a-running I don't know if this is really valid for LRADC driver, but

Re: [linux-sunxi] Re: A20 - Mainline 5.8.0 - Display Engine

2020-08-06 Thread Sertac Tüllük
Hi, I am trying to maintain DS167, which is a similar device to yours ( A20, LVDS 7" and 10.1" LCDs with capacitive touchscreens ). Many years ago, I was running this product on Android 4.2.2 and Linux. As you know, Android UI performance on A20 was quite acceptable for basic HMI functionalities.

Re: [linux-sunxi] Re: UART SIR mode register

2015-05-10 Thread Sertac Tüllük
Thank you. I hope I could get some technical reply from the author of the driver some day. 2015-05-10 20:00 GMT+03:00 Priit Laes : > On Sun, 2015-05-10 at 19:01 +0300, Sertac Tüllük wrote: > > Thank you so much for your answer. You are also right about the > > question might be

Re: [linux-sunxi] Re: UART SIR mode register

2015-05-10 Thread Sertac Tüllük
Thank you so much for your answer. You are also right about the question might be incomplete ( If so, pls let me know after re-reading my e-mail, and checking 8250-sunxi.c file in current kernel, and explaining by what is the relation between SIR mode of AXX UART and whichever AXX based DEVICE / KE

[linux-sunxi] u-boot-sunxi SPLASH

2014-09-28 Thread Sertac Tüllük
Dear All; In android images, we can see splash screen ( logo ) during u-boot. In order to achieve same thing on u-boot-sunxi with Interra3 board (10.1" LVDS LCD at 1280x800), I tried to enable following in include/configs/sunxi-common.h : #define CONFIG_CMD_BMP #define CONFIG_LCD #define CONFI

[linux-sunxi] sunxi-3.4 EMAC driver issue

2014-04-13 Thread Sertac Tüllük
Dear All; I feel that sunxi-3.4 kernel (3.4.79+) has some EMAC driver problem about TX. I think RX is perfect, but TX is getting some interrupts during big file transfers or streaming. Here is my tests: RX Test: http://i.imgur.com/8KUgZ2h.png TX test: http://i.imgur.com/jkMvUfg.png I tested th

[linux-sunxi] sunxi-3.4 Audio PA and Speaker Mute Patch

2014-04-11 Thread Sertac Tüllük
Dear All; Interra-3 home automation board audio system consist of PAM8620 amplifier, and PH15 controls PA_Shutdown, and PH25 controls SPK_MUTE. Thanks to gzamboni and Turl, I have been able to get sound from the speaker outputs of Interra-3 board. To achieve this, we need two modifications: 1)