added hifiberry dac pro #17
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WalkthroughThe changes introduce support for auto-configuring the HiFiBerry DAC Pro soundcard. A new constant Changes
Sequence Diagram(s)sequenceDiagram
participant Script as Autoconfigure Script
participant Platform as i2c_platform Check
participant DAC as HiFiBerry DAC Pro Setup
participant Aplay as aplay -l
participant Setup as setup_card
Script ->> Platform: Evaluate platform string
Platform -->> Script: Match "*HIFIBERRYPRO*"
Script ->> DAC: Invoke setup_hifiberry_dac_pro_soundcard()
DAC ->> Aplay: Run "aplay -l" to list soundcards
Aplay -->> DAC: Return list of soundcards
DAC ->> Setup: Call setup_card(card_number)
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Actionable comments posted: 1
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
soundcard-autoconfigure(3 hunks)
🔇 Additional comments (3)
soundcard-autoconfigure (3)
44-44: LGTM!The constant follows the established naming convention and correctly identifies the ALSA driver for the HiFiBerry DAC Pro.
348-350: LGTM!The case statement follows the established pattern and correctly invokes the setup function.
271-282:❓ Verification inconclusive
Verify the HiFiBerry DAC Pro detection.
Let's verify that:
- The driver name matches the actual HiFiBerry DAC Pro driver
- The device is detectable by
aplay -lwhen the DAC is connectedAlso, run this script to check if the device is detectable:
🏁 Script executed:
#!/bin/bash # Description: Check if HiFiBerry DAC Pro is detectable # Test 1: Check if the driver is loaded lsmod | grep snd_rpi_hifiberry_dacplus # Test 2: Check if the device is listed aplay -l | grep -i "hifiberry"Length of output: 263
🌐 Web query:
What is the correct ALSA driver name for HiFiBerry DAC Pro?💡 Result:
The correct ALSA driver name for the HiFiBerry DAC Pro is
snd_rpi_hifiberry_dacplus. This driver activates the board's integrated clock generators and ensures proper identification in ALSA-based systems[1][3][4][7].Key Details:
Device Identification:
After driver installation,aplay -llists the device as:card 0: sndrpihifiberry [snd_rpi_hifiberry_dacplus], device 0: HiFiBerry DAC+ Pro HiFi pcm512x-hifi-0This confirms the driver is loaded correctly[1][10].
Configuration:
Adddtoverlay=hifiberry-dacplusto/boot/config.txtto enable the driver[3][4]. For newer DAC+ ADC Pro models, usedtoverlay=hifiberry-dacplusadcproinstead[3].Common Issues:
- Ensure a Linux kernel ≥4.18.12 (for DAC2 Pro) or ≥4.19.60 (for DAC+ ADC Pro)[3][4].
- If encountering
No such file or directoryerrors in ALSA, verify thathifiberry-dacplusis selected in audio software settings (e.g., Volumio)[4][7].- Force EEPROM read with
force_eeprom_read=0in/boot/config.txtif device detection fails after reboot[4].For troubleshooting, check ALSA device listings with
aplay -land confirm volume controls viaalsamixer[3][10].Citations:
- 1: https://www.hifiberry.com/blog/dac-pro-driver-on-github/
- 2: https://linuxaudiofoundation.org/category/alsa/
- 3: https://www.hifiberry.com/docs/data-sheets/datasheet-dac-adc-pro/
- 4: https://community.volumio.com/t/new-to-volumio-no-sound-yet-failed-to-open-alsa-alsa-failed-to-open-alsa-device-hw-2-0-no-such-file-or-directory/47045
- 5: WLAN driver not working correctly when using HiFiBerry DAC+ Pro raspberrypi/linux#1588
- 6: jackd fails to work on Raspberry Pi & HiFiBerry DAC+ ADC Pro jackaudio/jack2#961
- 7: https://community.volumio.com/t/hifiberry-dac-pro-failed-to-open-alsa-logs-included/42709
- 8: https://www.diyaudio.com/community/threads/hifiberry-dac-pro-hw-mods-anybody.285811/page-5
- 9: https://forum.elk.audio/t/hifiberry-drivers/1069
- 10: https://forums.balena.io/t/no-sound-on-rpi4-with-hifiberry-dac-adc-pro/263507
Manual Verification Requested: Validate HiFiBerry DAC Pro Detection
The external documentation confirms that the correct ALSA driver for the HiFiBerry DAC Pro is
snd_rpi_hifiberry_dacplus. However, the test script did not produce any output due to missinglsmodandaplaycommands in this environment. Please ensure that in a complete environment where these utilities are available, the following checks are made:
- Driver Verification: Confirm that the HiFiBerry DAC Pro driver (
snd_rpi_hifiberry_dacplus) is loaded (e.g., vialsmod).- Device Detection: Verify that
aplay -llists the HiFiBerry DAC Pro using an entry likecard 0: sndrpihifiberry [snd_rpi_hifiberry_dacplus].- Code Consistency: Ensure that the environment variable
$HIFIBERRY_DAC_PROin the code holds the correct driver string so that the grep searches yield a positive detection.Please manually test these points in the appropriate hardware environment to confirm correct detection.
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Actionable comments posted: 0
🧹 Nitpick comments (1)
soundcard-autoconfigure (1)
336-337: Update the TODO comment to reflect handled cases.The TODO comment lists unhandled cases but should be updated to reflect that HiFiBerry DAC Pro is now handled.
Apply this diff to update the comment:
-# TODO - possible values not handled (some might be mic input only) -# "SJ201V6" "SJ201V10" "AIYVOICEBONNET", "ADAFRUIT", "RESPEAKER6", "RESPEAKER4" +# TODO - possible values not handled (some might be mic input only) +# "SJ201V6" "SJ201V10" "AIYVOICEBONNET", "ADAFRUIT", "RESPEAKER6", "RESPEAKER4", "HIFIBERRYPRO" (handled)
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
soundcard-autoconfigure(3 hunks)
🔇 Additional comments (3)
soundcard-autoconfigure (3)
44-44: LGTM!The constant follows the established naming convention and correctly identifies the ALSA driver for the HiFiBerry DAC Pro.
271-282: LGTM!The implementation follows the established pattern of other setup functions, with proper error handling and logging. The card detection logic is consistent with other soundcard setups.
348-350: LGTM!The platform check integration is consistent with other cases and correctly placed before the fallback case.
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